Tamiflu Safety Questions, Tamiflu Answers
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Tamiflu Safety Reports
Total Tamiflu reports: 1065.Tamiflu FDA safety alerts: 2003 2006 2007 2008 .
Reported deaths: 116 Reported hospitalizations: 310.
Take Tamiflu Side Effects Survey or Share Your Tamiflu Story.
Reported Tamiflu Side Effects: abnormal behaviour, convulsion, depressed level of consciousness, loss of consciousness, delirium febrile, delirium, fall, hallucination, visual, hallucination, hallucinations, mixed, hallucination, auditory.
Tamiflu Usage.
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Tamiflu Side Effects Report #5260913-8Physician from JAPAN reported TAMIFLU problem on Feb 28, 2007. Female patient, 66 years of age, was diagnosed with influenza and was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: enterocolitis haemorrhagic. TAMIFLU dosage: unknown. Patient recovered.
Tamiflu Side Effects Report #5262358-3
TAMIFLU problem was reported by a Consumer or non-health professional from UNITED STATES on Mar 09, 2007. Male patient, 17 years of age, weighting 150.0 lb, was diagnosed with influenza and was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: dizziness, hallucination, impaired work ability, malaise, neurological examination abnormal, somnolence. TAMIFLU dosage: unknown. Patient recovered.
Tamiflu Side Effects Report #5262450-3
Physician from JAPAN reported TAMIFLU problem on Feb 28, 2007. Male patient, child 4 years of age, was diagnosed with influenza and was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: agitation. TAMIFLU dosage: unknown. During the same period patient was treated with CALONAL. Patient recovered.
Tamiflu Side Effects Report #5262451-5
TAMIFLU problem was reported by a Physician from JAPAN on Mar 01, 2007. Female patient, child 9 years of age, was diagnosed with influenza and was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: convulsion, loss of consciousness. TAMIFLU dosage: unknown. Patient was hospitalized. Patient recovered.
Tamiflu Side Effects Report #5262477-1
Pharmacist from CANADA reported TAMIFLU problem on Mar 02, 2007. Female patient, 87 years of age, weighting 130.3 lb, was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: influenza, transient ischaemic attack. TAMIFLU dosage: unknown. During the same period patient was treated with ATORVASTATIN, ACETYLSALICYLIC ACID SRT, DOCUSATE, ENALAPRIL MALEATE, METOPROLOL SUCCINATE, VITALUX, NIFEDIPINE. Patient was hospitalized and became disabled. Patient recovered.
Tamiflu Side Effects Report #5262479-5
TAMIFLU problem was reported by a Physician from JAPAN on Mar 01, 2007. Male patient, child 10 years of age, weighting 59.52 lb, was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: abnormal behaviour, depressed level of consciousness, dyspnoea. TAMIFLU dosage: unknown. During the same period patient was treated with MUCODYNE, ACDEAM, BISOLVON. Patient recovered.
Tamiflu Side Effects Report #5262481-3
Physician from JAPAN reported TAMIFLU problem on Feb 28, 2007. Male patient, 13 years of age, was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: abnormal behaviour, delusion, hallucination. TAMIFLU dosage: unknown. Patient recovered.
Tamiflu Side Effects Report #5262482-5
TAMIFLU problem was reported by a Physician from JAPAN on Mar 01, 2007. Male patient, 32 years of age, was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: abnormal behaviour, confusional state, fall, limb injury, lower limb fracture. TAMIFLU dosage: unknown. Patient was hospitalized. Patient recovered.
Tamiflu Side Effects Report #5262573-9
Physician from JAPAN reported TAMIFLU problem on Feb 28, 2007. Male patient, child 12 years of age, was diagnosed with influenza, cough and was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: abnormal behaviour, fall. TAMIFLU dosage: unknown. During the same period patient was treated with MEDICON, POLARAMINE, ACETAMINOPHEN. Patient was hospitalized. Patient recovered.
Tamiflu Side Effects Report #5262574-0
TAMIFLU problem was reported by a Physician from JAPAN on Feb 28, 2007. Female patient, 93 years of age, was diagnosed with influenza and was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: diarrhoea. TAMIFLU dosage: unknown. Patient was hospitalized. Patient recovered.
Tamiflu Side Effects Report #5262575-2
Physician from JAPAN reported TAMIFLU problem on Feb 28, 2007. Male patient, 28 years of age, was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: asthenia, hypoaesthesia, tremor. TAMIFLU dosage: unknown. Patient was hospitalized. Patient recovered.
Tamiflu Side Effects Report #5262980-4
TAMIFLU problem was reported by a Physician from JAPAN on Feb 22, 2007. Female patient, 60 years of age, was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: hepatic function abnormal. TAMIFLU dosage: unknown. Patient was hospitalized. Patient recovered.
Tamiflu Side Effects Report #5262995-6
Physician from UNITED STATES reported TAMIFLU problem on Feb 28, 2007. Female patient, 46 years of age, weighting 132.9 lb, was diagnosed with influenza and was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: amnesia, arrhythmia, blood creatine phosphokinase increased, cardiac enzymes increased, grand mal convulsion, hepatitis alcoholic, hypersensitivity, liver disorder, liver function test abnormal. TAMIFLU dosage: unknown. Patient was hospitalized. Patient recovered.
Tamiflu Side Effects Report #5263595-4
TAMIFLU problem was reported by a Physician from JAPAN on Mar 01, 2007. Male patient, child 10 years of age, was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: delirium febrile. TAMIFLU dosage: unknown. Patient recovered.
Tamiflu Side Effects Report #5263606-6
Physician from JAPAN reported TAMIFLU problem on Mar 01, 2007. Female patient, 24 years of age, was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: affect lability, delirium. TAMIFLU dosage: unknown. Patient was hospitalized. Patient recovered.
Tamiflu Side Effects Report #5263610-8
TAMIFLU problem was reported by a Physician from JAPAN on Mar 02, 2007. Female patient, child 6 years of age, was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: abnormal behaviour, hallucination. TAMIFLU dosage: unknown. Patient was hospitalized. Patient recovered.
Tamiflu Side Effects Report #5263612-1
Physician from JAPAN reported TAMIFLU problem on Mar 02, 2007. Female patient, 40 years of age, was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: enterocolitis haemorrhagic. TAMIFLU dosage: unknown. Patient was hospitalized. Patient recovered.
Tamiflu Side Effects Report #5263890-9
TAMIFLU problem was reported by a Physician from JAPAN on Feb 23, 2007. Female patient, 14 years of age, was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: brain contusion, fall. TAMIFLU dosage: unknown. Patient died on 02/16/2007.
Tamiflu Side Effects Report #5264980-7
Consumer or non-health professional from FRANCE reported TAMIFLU problem on Feb 27, 2007. Male patient, 14 years of age, was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: abnormal behaviour, fall. TAMIFLU dosage: unknown. During the same period patient was treated with CALONAL. Patient died.
Tamiflu Side Effects Report #5264982-0
TAMIFLU problem was reported by a Physician from JAPAN on Mar 02, 2007. Male patient, 15 years of age, weighting 127.9 lb, was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: abnormal behaviour, suicide attempt. TAMIFLU dosage: unknown. During the same period patient was treated with KETEK, MECLOCELIN, ASVERIN, SELBEX. Patient recovered.
Tamiflu Side Effects Report #5264988-1
Physician from JAPAN reported TAMIFLU problem on Mar 02, 2007. Female patient, 14 years of age, was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: nightmare. TAMIFLU dosage: unknown. Patient recovered.
Tamiflu Side Effects Report #5265006-1
TAMIFLU problem was reported by a Physician from UNITED STATES on Mar 05, 2007. Male patient, child 11 years of age, was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: abnormal behaviour, delirium. TAMIFLU dosage: unknown. Patient recovered.
Tamiflu Side Effects Report #5266024-X
Consumer or non-health professional from UNITED STATES reported TAMIFLU problem on Mar 05, 2007. Male patient, child 3 years of age, was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: hallucination. TAMIFLU dosage: unknown. During the same period patient was treated with MOTRIN. Patient recovered.
Tamiflu Side Effects Report #5266300-0
TAMIFLU problem was reported by a Consumer or non-health professional from UNITED STATES on Mar 05, 2007. Male patient, child 10 years of age, weighting 110.0 lb, was diagnosed with influenza and was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: delirium. TAMIFLU dosage: unknown. Patient recovered.
Tamiflu Side Effects Report #5266301-2
Physician from JAPAN reported TAMIFLU problem on Mar 06, 2007. Male patient, 30 years of age, was diagnosed with influenza and was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: leukopenia. TAMIFLU dosage: unknown. Patient was hospitalized. Patient recovered.
Tamiflu Side Effects Report #5266309-7
TAMIFLU problem was reported by a Physician from JAPAN on Mar 06, 2007. Female patient, child 11 years of age, was diagnosed with influenza and was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: delirium, dyscalculia, hyperacusis, illusion. TAMIFLU dosage: unknown. Patient recovered.
Tamiflu Side Effects Report #5267224-5
Physician from JAPAN reported TAMIFLU problem on Mar 07, 2007. Male patient, child 10 years of age, weighting 59.52 lb, was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: abnormal behaviour, depressed level of consciousness, dyspnoea. TAMIFLU dosage: unknown. During the same period patient was treated with MUCODYNE, ACDEAM, BISOLVON. Patient recovered.
Tamiflu Side Effects Report #5267229-4
TAMIFLU problem was reported by a Physician from JAPAN on Mar 09, 2007. Male patient, child 12 years of age, weighting 112.4 lb, was diagnosed with cough and was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: abnormal behaviour, contusion, fall. TAMIFLU dosage: unknown. During the same period patient was treated with MEDICON, POLARAMINE, CALONAL. Patient was hospitalized. Patient recovered.
Tamiflu Side Effects Report #5267234-8
Physician from JAPAN reported TAMIFLU problem on Mar 07, 2007. Male patient, child 4 years of age, was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: convulsion, depressed level of consciousness, hallucination, headache, somnolence. TAMIFLU dosage: unknown. Patient was hospitalized. Patient recovered.
Tamiflu Side Effects Report #5267235-X
TAMIFLU problem was reported by a Physician from JAPAN on Mar 08, 2007. Female patient, 24 years of age, was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: affect lability, delirium. TAMIFLU dosage: unknown. Patient was hospitalized. Patient recovered.
Tamiflu Side Effects Report #5267325-1
Physician from JAPAN reported TAMIFLU problem on Mar 07, 2007. Male patient, 16 years of age, was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: hepatic function abnormal. TAMIFLU dosage: unknown. Patient was hospitalized. Patient recovered.
Tamiflu Side Effects Report #5267326-3
TAMIFLU problem was reported by a Physician from JAPAN on Mar 01, 2007. Female patient, 13 years of age, was diagnosed with influenza and was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: convulsion, loss of consciousness. TAMIFLU dosage: unknown. Patient was hospitalized. Patient recovered.
Tamiflu Side Effects Report #5267327-5
Physician from JAPAN reported TAMIFLU problem on Mar 07, 2007. Male patient, child 4 years of age, was diagnosed with influenza and was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: abnormal behaviour. TAMIFLU dosage: unknown. Patient recovered.
Tamiflu Side Effects Report #5267328-7
TAMIFLU problem was reported by a Physician from JAPAN on Mar 07, 2007. Female patient, 83 years of age, was diagnosed with influenza and was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: cardio-respiratory arrest. TAMIFLU dosage: unknown. During the same period patient was treated with ACETAMINOPHEN. Patient died on 02/28/2007.
Tamiflu Side Effects Report #5267372-X
Physician from JAPAN reported TAMIFLU problem on Mar 05, 2007. Male patient, child 4 years of age, weighting 28.66 lb, was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: abnormal behaviour, depressed level of consciousness, hypertonia. TAMIFLU dosage: unknown. During the same period patient was treated with CALONAL. Patient recovered.
Tamiflu Side Effects Report #5267380-9
TAMIFLU problem was reported by a Physician from JAPAN on Mar 05, 2007. Male patient, 25 years of age, was diagnosed with influenza, infection prophylaxis and was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: diarrhoea, myocardial ischaemia. TAMIFLU dosage: unknown. During the same period patient was treated with ZITHROMAC, LOXONIN, FLOMOX. Patient died on 02/07/2007.
Tamiflu Side Effects Report #5267387-1
Physician from JAPAN reported TAMIFLU problem on Mar 02, 2007. Male patient, weighting 8.38 lb, was diagnosed with influenza and was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: anophthalmos, pregnancy. TAMIFLU dosage: unknown. Patient recovered.
Tamiflu Side Effects Report #5267426-8
TAMIFLU problem was reported by a Physician from JAPAN on Mar 06, 2007. Male patient, 65 years of age, was diagnosed with influenza and was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: abnormal behaviour, completed suicide, psychiatric symptom. TAMIFLU dosage: unknown. Patient died on 03/01/2007.
Tamiflu Side Effects Report #5267427-X
Physician from JAPAN reported TAMIFLU problem on Mar 07, 2007. Male patient, child 12 years of age, weighting 99.21 lb, was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: abnormal behaviour, sleep terror. TAMIFLU dosage: unknown. During the same period patient was treated with CALONAL. Patient recovered.
Tamiflu Side Effects Report #5267439-6
TAMIFLU problem was reported by a Physician from JAPAN on Mar 01, 2007. Female patient, 16 years of age, was diagnosed with influenza and was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: confusional state. TAMIFLU dosage: unknown. During the same period patient was treated with RELENZA. Patient recovered.
Tamiflu Side Effects Report #5268113-2
Pharmacist from UNITED STATES reported TAMIFLU problem on Mar 16, 2007. Male patient, child 12 years of age, weighting 95.00 lb, was diagnosed with influenza and was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: petechiae, rash maculo-papular. TAMIFLU dosage: 75MG Q12H PO. During the same period patient was treated with IBUPROFEN, LORATADINE. Patient recovered.
Tamiflu Side Effects Report #5268396-9
TAMIFLU problem was reported by a Consumer or non-health professional from UNITED STATES on Mar 14, 2007. Female patient, 59 years of age, weighting 136.0 lb, was diagnosed with influenza and was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: arrhythmia, balance disorder, dysstasia, fall, hallucination, pneumonia, pruritus. TAMIFLU dosage: unknown. Patient was hospitalized. Patient recovered.
Tamiflu Side Effects Report #5269053-5
Physician from JAPAN reported TAMIFLU problem on Mar 07, 2007. Male patient, 61 years of age, was diagnosed with influenza and was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: enterocolitis haemorrhagic. TAMIFLU dosage: unknown. Patient was hospitalized. Patient recovered.
Tamiflu Side Effects Report #5269060-2
TAMIFLU problem was reported by a Physician from JAPAN on Mar 09, 2007. Male patient, 16 years of age, weighting 116.8 lb, was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: leukopenia. TAMIFLU dosage: unknown. During the same period patient was treated with CALONAL, SOLITA, PANSPORIN, TANNALBIN, THIATON. Patient was hospitalized. Patient recovered.
Tamiflu Side Effects Report #5269061-4
Physician from JAPAN reported TAMIFLU problem on Mar 07, 2007. Female patient, child 12 years of age, weighting 81.57 lb, was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: diplopia, vision blurred. TAMIFLU dosage: unknown. During the same period patient was treated with PEMILASTON, ZESULAN, MEPTIN, FLOMOX. Patient recovered.
Tamiflu Side Effects Report #5269067-5
TAMIFLU problem was reported by a Physician from JAPAN on Mar 05, 2007. Male patient, weighting 7.28 lb, was diagnosed with influenza and was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: disseminated intravascular coagulation, no adverse effect, pregnancy. TAMIFLU dosage: unknown. Patient recovered.
Tamiflu Side Effects Report #5269068-7
Physician from JAPAN reported TAMIFLU problem on Mar 06, 2007. Male patient, 26 years of age, was diagnosed with influenza and was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: suicide attempt. TAMIFLU dosage: unknown. Patient recovered.
Tamiflu Side Effects Report #5269091-2
TAMIFLU problem was reported by a Physician from JAPAN on Mar 07, 2007. Female patient, 17 years of age, was diagnosed with influenza and was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: abnormal behaviour, urinary incontinence. TAMIFLU dosage: unknown. Patient was hospitalized. Patient recovered.
Tamiflu Side Effects Report #5269092-4
Physician from UNITED STATES reported TAMIFLU problem on Mar 08, 2007. Female patient, 59 years of age, was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: anaemia, hypersensitivity, hypotension, syncope. TAMIFLU dosage: unknown. During the same period patient was treated with PROCRIT, PREDNISONE, NORVASC. Patient was hospitalized. Patient recovered.
Tamiflu Side Effects Report #5269095-X
TAMIFLU problem was reported by a Physician from JAPAN on Mar 09, 2007. Male patient, child 11 years of age, weighting 68.34 lb, was diagnosed with influenza and was treated with TAMIFLU. After drug was administered, patient experienced the following problems/side effects: rhabdomyolysis. TAMIFLU dosage: unknown. Patient recovered.
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Drug Information: Oseltamivir
URL of this page: http://www.nlm.nih.gov/medlineplus/druginfo/medmaster/a699040.html
(os el tam' i vir)IMPORTANT WARNING:
| [Posted 03/10/2008] Roche and FDA informed healthcare professionals of neuropsychiatric events associated with the use of oseltamivir (Tamiflu), in patients with influenza. These symptoms, as described in post marketing reports mostly from Japan, include delirium and abnormal behavior leading to injury, and in some cases resulting in fatal outcomes. These events were reported primarily among pediatric patients and often had an abrupt onset and rapid resolution. Patients with influenza should be closely monitored for signs of abnormal behavior. If neuropsychiatric symptoms occur, the risks and benefits of continuing treatment should be evaluated. For more information visit the FDA website at: http://www.fda.gov/medwatch/safety/2008/safety08.htm#Tamiflu, http://www.fda.gov/medwatch/safety/2008/Tamiflu_DHCP.pdf and http://www.fda.gov/medwatch/safety/2008/Tamiflu_PI.pdf. |
Why is this medication prescribed?
Pending revision, the material in this section should be considered in light of more recently available information in the MedWatch notification at the beginning of this monograph.
Oseltamivir is used to treat some types of influenza infection ('flu') in adults and children (older than 1 year of age) who have had symptoms of the flu for no longer than 2 days. This medication is also used to prevent some types of flu in adults and children (older than 1 year of age) when they have spent time with someone who has the flu or when there is a flu outbreak. Oseltamivir is in a class of medications called neuraminidase inhibitors. It works by stopping the spread of the flu virus in the body. Oseltamivir helps shorten the time you have flu symptoms such as a stuffy or runny nose, sore throat, cough, muscle or joint aches, tiredness, headache, fever, and chills. Oseltamivir will not prevent bacterial infections which may occur as a complication of the flu.
How should this medicine be used?
Pending revision, the material in this section should be considered in light of more recently available information in the MedWatch notification at the beginning of this monograph.
Oseltamivir comes as a capsule and a suspension (liquid) to take by mouth. When oseltamivir is used to treat flu symptoms, it is usually taken twice daily (morning and evening) for 5 days. When oseltamivir is used to prevent flu, it is usually taken once a day for at least 10 days, or for up to 6 weeks during a community flu outbreak. Oseltamivir may be taken with or without food, but you can lessen the chance of getting an upset stomach by taking oseltamivir with food or milk. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part that you do not understand. Take oseltamivir exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.
To prepare doses of oseltamivir liquid:
- Shake the liquid well (for about 5 seconds) before each use to mix the medication evenly.
- Open the bottle by pushing down on the cap and turning the cap at the same time.
- Push the plunger of the measuring device completely down to the tip.
- Insert the tip of the measuring device firmly into the opening on the top of the bottle.
- Turn the bottle (with the measuring device attached) upside down.
- Pull back on the plunger slowly until the amount of liquid prescribed by your doctor fills the measuring device to the appropriate marking. Some larger doses may need to be measured using the measuring device twice. If you are not sure how to correctly measure the dose your doctor has prescribed, ask your doctor or pharmacist.
- Turn the bottle (with the measuring device attached) right side up and slowly remove the measuring device.
- Take oseltamivir directly into your mouth from the measuring device; do not mix with any other liquids.
- Replace the cap on the bottle and close tightly.
- Remove the plunger from the rest of the measuring device and rinse both parts under running tap water. Allow the parts to air dry before putting back together for the next use.
Call your doctor or pharmacist to find out how you should measure your dose of oseltamivir solution if you do not have the measuring device.
Continue to take oseltamivir until you finish the prescription even if you start to feel better. Do not stop taking oseltamivir without talking to your doctor. If you stop taking oseltamivir too soon or skip doses, your infection may not be fully treated, or you may not be protected from the flu.
If you feel worse or develop new symptoms while taking oseltamivir, or if your flu symptoms do not start to get better, call your doctor.
Ask your pharmacist or doctor for a copy of the manufacturer's information for the patient.
Other uses for this medicine
Oseltamivir may be used to treat and prevent infections from avian (bird) influenza (a virus that usually infects birds but can also cause serious illness in humans).
What special precautions should I follow?
Before taking oseltamivir,
- tell your doctor and pharmacist if you are allergic to oseltamivir or any other medications.
- tell your doctor what prescription and nonprescription medications, vitamins, nutritional supplements and herbal products you are taking or plan to take. Be sure to mention any of the following: medications that affect the immune system such as azathioprine (Imuran); cyclosporine (Neoral, Sandimmune); cancer chemotherapy medications; methotrexate (Rheumatrex); sirolimus (Rapamune); oral steroids such as dexamethasone (Decadron, Dexone), methylprednisolone (Medrol), and prednisone (Deltasone); or tacrolimus (Prograf). Your doctor may need to change the doses of your medications or monitor you carefully for side effects.
- tell your doctor if you have ever taken oseltamivir to treat or prevent the flu.
- tell your doctor if you have any disease or condition that affects your immune system such as human immunodeficiency virus (HIV) or acquired immunodeficiency syndrome (AIDS) or if you have heart, liver, lung, or kidney disease.
- tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while taking oseltamivir, call your doctor.
- you should know that some people who took oseltamivir to treat flu became confused, behaved strangely, and in some cases harmed themselves. These symptoms were most common in children but were also experienced by adults. If your child is taking oseltamivir, you should watch his or her behavior very carefully and call the doctor right away if he or she becomes confused or behaves abnormally. If you are taking oseltamivir, you, your family, or your caregiver should call the doctor right away if you become confused, behave abnormally, or think about harming yourself. Be sure that your family or caregiver knows which symptoms may be serious so they can call the doctor if you are unable to seek treatment on your own.
- ask your doctor if you should receive a flu vaccination each year. Oseltamivir does not take the place of a yearly flu vaccine. If you received or plan to receive the intranasal flu vaccine (FluMist; flu vaccine that is sprayed into the nose), you should tell your doctor before taking oseltamivir. Oseltamivir may interfere with the activity of the intranasal flu vaccine if it is taken up to 2 weeks after or up to 48 hours before the vaccine is administered.
What should I do if I forget a dose?
If you forget to take a dose, take it as soon as you remember it. If it is no longer than 2 hours before your next scheduled dose, skip the missed dose and continue your regular dosing schedule. If you miss several doses, call your doctor for directions. Do not take a double dose to make up for a missed one.
What side effects can this medication cause?
Pending revision, the material in this section should be considered in light of more recently available information in the MedWatch notification at the beginning of this monograph.
Oseltamivir may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:
- nausea
- vomiting
- stomach pain
- diarrhea
- headache
- difficulty falling asleep or staying asleep
- cough
- dizziness
Some side effects can be serious. If you experience any of these symptoms or those mentioned in the SPECIAL PRECAUTIONS section, call your doctor immediately:
- rash, hives, or blisters on the skin
- itching
- swelling of the face or tongue
- difficulty breathing or swallowing
- hoarseness
If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration's (FDA) MedWatch Adverse Event Reporting program online [at http://www.fda.gov/MedWatch/index.html] or by phone [1-800-332-1088].
What storage conditions are needed for this medicine?
Keep this medication in the container it came in and out of reach of children. Store the capsules at room temperature and away from excess heat and moisture (not in the bathroom). Keep the liquid in the refrigerator. Do not freeze oseltamivir liquid. Throw away any unused liquid medication after 10 days. Throw away any medication that is outdated or no longer needed. Talk to your pharmacist about the proper disposal of your medication.
In case of emergency/overdose
In case of overdose, call your local poison control center at 1-800-222-1222. If the victim has collapsed or is not breathing, call local emergency services at 911.
Symptoms of overdose may include:
- nausea
- vomiting
What other information should I know?
Pending revision, the material in this section should be considered in light of more recently available information in the MedWatch notification at the beginning of this monograph.
Oseltamivir will not stop you from giving the flu to others. You should wash your hands frequently, and avoid practices such as sharing cups and utensils that can spread the virus to others.
Do not let anyone else take your medication. Your prescription is probably not refillable. If you still have symptoms of the flu after you finish taking oseltamivir, call your doctor.
It is important for you to keep a written list of all of the prescription and nonprescription (over-the-counter) medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements. You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. It is also important information to carry with you in case of emergencies.
Brand name(s):
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