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Flomax Side Effects

Report Flomax Side Effects

If you experienced any harmful or unwanted effects of Flomax, please share your experience. This could help to raise awareness about Flomax side effects, identify uknown risks and inform health professionals and patients taking Flomax.

Examples: headache, dizziness


The most commonly reported Flomax side effects are:
Blood Glucose Increase (31 reports)
No Ejaculate (22 reports)
Confusion (20 reports)
Mental Confusion (13 reports)
Ejaculation (10 reports)
Atrial Fibrillation (8 reports)
Blurred Visison (7 reports)
Cough (3 reports)
Fluid Retention (3 reports)
Insomnia (3 reports)
Nausea (3 reports)
Stuffy Nose (3 reports)

If you have experienced a side effect listed above, you can check a box to report it.


View a complete list of Flomax side effects or compare Flomax side effects

If you or someone in your family has experienced a serious side effect to a health product, you are encouraged to report the experience to your health care professional (eg, physician, pharmacist). Your health care provider can provide additional clinical information and complete a copy of the side effect reporting form.

Side effects reports are analyzed to discover potential health product safety signals. Some important reactions may take an extremely long time to develop or occur infrequently. Continued monitoring of adverse reactions is thus essential to maintain a comprehensive safety and effectiveness profile of health products.

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Flomax Side Effects Reported to FDA

The following Flomax reports list potential signals of serious risks and new safety information that were identified using the FDA Adverse Event Reporting System (FAERS).
FAERS is a database that contains information on adverse event and medication errors reports submitted to FDA by healthcare professionals (such as physicians, pharmacists, nurses and others), consumers (such as patients, family members, layers and others) and manufacturers.


The appearance of Flomax on this list does not mean that FDA has concluded that the drug has the listed risk. It means that FDA has identified a potential safety issue, but it does not mean that FDA has found a causal relationship between the drug and the listed risk.
Urinary Retention
on Jun 25, 2013 Female from US , 45 years of age, was diagnosed with and was treated with Flomax Capsules. Directly after, patient experienced the unwanted or unexpected Flomax side effects: urinary retention. Flomax Capsules dosage: 0.4 Mg.
Associated medications used:
  • Bactrim
  • Zoloft (100 Mg)


Thinking Abnormal, Dizziness, Hypotension, Weight Increased, Lip Swelling, Nervousness, Insomnia, Anxiety, Depression
Patient was taking Flomax Capsules. Patient felt the following Flomax side effects: thinking abnormal, dizziness, hypotension, weight increased, lip swelling, nervousness, insomnia, anxiety, depression on Jun 17, 2013 from US Additional patient health information: Male , 69 years of age, weighting 233.7 lb, was diagnosed with and. Flomax Capsules dosage: 0.4 Mg.
Multiple prescriptions taken:
  • Diovan (20 Mg)
  • Claritin


Electrocardiogram Qt Prolonged
Adverse event was reported on Jun 07, 2013 by a Male taking Flomax Relief Mr (Dosage: N/A) was diagnosed with and. Location: GB , 66 years of age, After Flomax was administered, patient encountered several Flomax side effects: electrocardiogram qt prolonged.
Multiple concurrent drugs taken:
  • Capra
  • Levetiracetam
  • Cavidarell
  • Montelukast
  • Furosemide
  • Atorvastatin
  • Lansoprazole
  • Disolipine


Urine Abnormality
on May 27, 2013 Female from US , 82 years of age, weighting 149.9 lb, was diagnosed with and was treated with Flomax Capsules. Directly after, patient experienced the unwanted or unexpected Flomax side effects: urine abnormality. Flomax Capsules dosage: 0.4 Mg.
Associated medications used:
  • Levothyroxine (50 Mcg)
  • Pravastatin (20 Mg)
  • Glipizide Xl (5 Mg)
  • Vitamin B-12 (1000 Mcg)
  • Protonix (40 Mg)
  • Metoprolol (50 Mg)
  • Gentopen (5 Mg)
  • Aspirin (325 Mg)



Prostate Cancer, Polyuria, Nightmare
on May 26, 2013 Male from US , weighting 158.7 lb, was diagnosed with and was treated with Flomax Capsules. Patient felt the following Flomax side effects: prostate cancer, polyuria, nightmare. Flomax Capsules dosage: 0.4 Mg.
Multiple prescriptions taken:
  • Clopidogrel (75 Mg)
  • Crestor (5 Mg)
  • Atenolol/chlorthal (Strength: 50mg/25mg; Daily Dose: 50mg/)
  • Ibuprofen
Patient was hospitalized.

Prostate Cancer, Coronary Artery Disease, Polyuria, Nightmare
Patient was taking Flomax Capsules. After Flomax was administered, patient encountered several Flomax side effects: prostate cancer, coronary artery disease, polyuria, nightmare on May 26, 2013 from US Additional patient health information: Male , 74 years of age, weighting 158.7 lb, was diagnosed with and. Flomax Capsules dosage: 0.4 Mg.
Multiple concurrent drugs taken:
  • Clopidogrel (75 Mg)
  • Crestor (5 Mg)
  • Atenolol/chlorthal (Strength: 50mg/25mg; Daily Dose: 50mg/)
  • Ibuprofen
Patient was hospitalized.

Testicular Pain, Testicular Swelling
Adverse event was reported on May 23, 2013 by a Male taking Flomax Relief Mr (Dosage: 400 Mcg) was diagnosed with and. Location: GB , 56 years of age, weighting 165.3 lb, Directly after, patient experienced the unwanted or unexpected Flomax side effects: testicular pain, testicular swelling.

Surgical Failure, Floppy Iris Syndrome, Procedural Complication, Astigmatism
on May 20, 2013 Male from US , 72 years of age, weighting 158.0 lb, was diagnosed with and was treated with Flomax. Patient felt the following Flomax side effects: surgical failure, floppy iris syndrome, procedural complication, astigmatism. Flomax dosage: N/A.

Confusional State
on May 20, 2013 Male from US , 69 years of age, weighting 229.3 lb, was diagnosed with and was treated with Flomax Capsules. After Flomax was administered, patient encountered several Flomax side effects: confusional state. Flomax Capsules dosage: 0.4 Mg.

Testicular Disorder
Patient was taking Flomax Capsules. Directly after, patient experienced the unwanted or unexpected Flomax side effects: testicular disorder on May 16, 2013 from US Additional patient health information: Male , weighting 229.3 lb, was diagnosed with and. Flomax Capsules dosage: 0.4 Mg.

Renal Failure
Adverse event was reported on Dec 14, 2012 by a Male taking Flomax ( Tamsulosin Hydrochloride) ( Tamsulosin Hydrochloride) (Dosage: N/A) . Location: US , 88 years of age, Patient felt the following Flomax side effects: renal failure.
Multiple prescriptions taken:
  • Januvia
  • Mk-9378 ( Metformin) Tablet
Patient was hospitalized.

Eye Pain, Bronchitis, Increased Upper Airway Secretion, Cough
on May 13, 2013 Male from US , 77 years of age, weighting 169.8 lb, was diagnosed with and was treated with Flomax Capsules. After Flomax was administered, patient encountered several Flomax side effects: eye pain, bronchitis, increased upper airway secretion, cough. Flomax Capsules dosage: 0.8 Mg.
Multiple concurrent drugs taken:
  • Pradaxa (300 Mg)
  • Spiriva (18 Mcg)
  • Norvasc (5 Mg)
  • Sotalol (160 Mg)


Loss Of Consciousness, Unevaluable Event, Pruritus, Erythema
on Jun 25, 2013 Male from US , 70 years of age, weighting 190.0 lb, was treated with Flomax Capsules. Directly after, patient experienced the unwanted or unexpected Flomax side effects: loss of consciousness, unevaluable event, pruritus, erythema. Flomax Capsules dosage: N/A.
Associated medications used:
  • Celebrex
  • Celebrex
  • Lipitor (40 Mg)
  • Lisinopril
  • Rapaflo
Patient was hospitalized.

Pollakiuria, Urinary Incontinence
Patient was taking Flomax Capsules. Patient felt the following Flomax side effects: pollakiuria, urinary incontinence on Apr 08, 2013 from US Additional patient health information: Male , weighting 172.0 lb, was diagnosed with and. Flomax Capsules dosage: 0.4 Mg.

Product Substitution Issue, Therapeutic Response Decreased
Adverse event was reported on Apr 02, 2013 by a Male taking Flomax (Dosage: 0.4 Mg Bid) was diagnosed with and. Location: US , 62 years of age, weighting 171.3 lb, After Flomax was administered, patient encountered several Flomax side effects: product substitution issue, therapeutic response decreased.

Pain
on Mar 20, 2013 Male from US , 66 years of age, weighting 147.7 lb, was diagnosed with and was treated with Flomax Capsules. Directly after, patient experienced the unwanted or unexpected Flomax side effects: pain. Flomax Capsules dosage: 0.4 Mg.
Associated medications used:
  • Spiriva (18 Mcg)
  • Hydrocodone
  • Terazosin Hcl (2 Mg)


Erectile Dysfunction
on Feb 26, 2013 Male from US , 93 years of age, was diagnosed with and was treated with Flomax Capsules. Patient felt the following Flomax side effects: erectile dysfunction. Flomax Capsules dosage: 0.4 Mg.

Sensation Of Pressure
Patient was taking Flomax Capsules. After Flomax was administered, patient encountered several Flomax side effects: sensation of pressure on Feb 18, 2013 from US Additional patient health information: Female , 54 years of age, was diagnosed with and. Flomax Capsules dosage: 0.4 Mg.

Transient Ischaemic Attack
Adverse event was reported on Mar 14, 2013 by a Male taking Flomax Capsules (Dosage: 0.4 Mg) was diagnosed with and. Location: COUNTRY NOT SPECIFIED , weighting 260.1 lb, Directly after, patient experienced the unwanted or unexpected Flomax side effects: transient ischaemic attack.
Associated medications used:
  • Metoprolol Tartrate (50 Mg)
  • Isosorbide Mononitrate (125 Mg)
  • Amlodipine Besylate (10 Mg)
  • Metformin
  • Omeprazole
  • Prednisone
  • Aspirin
  • Lovenox
Patient was hospitalized.

Accidental Overdose
on Feb 07, 2013 Male from US , weighting 249.1 lb, was diagnosed with and was treated with Flomax Capsules. Patient felt the following Flomax side effects: accidental overdose. Flomax Capsules dosage: 0.8 Mg.

Atrial Flutter, Respiratory Tract Infection
on Feb 15, 2013 Male from COUNTRY NOT SPECIFIED , weighting 205.0 lb, was diagnosed with and was treated with Flomax Capsules. After Flomax was administered, patient encountered several Flomax side effects: atrial flutter, respiratory tract infection. Flomax Capsules dosage: 0.4 Mg.
Multiple concurrent drugs taken:
  • Synthroid (125 Mcg)
  • Vasotec (5 Mg)
  • Metoprolol Tartrate (25 Mg)
  • Victoza Pen (1.8 Mg)
  • Valium
  • Suboxone
  • Magnesium Oxide (10 Mg)
  • Montelukast (10 Mg)
Patient was hospitalized.

Neutrophil Count Decreased
Patient was taking Flomax Capsules. Directly after, patient experienced the unwanted or unexpected Flomax side effects: neutrophil count decreased on Jan 29, 2013 from US Additional patient health information: Male , weighting 165.3 lb, was diagnosed with and. Flomax Capsules dosage: 0.4 Mg.

Vision Blurred, Headache, Intraocular Pressure Test, Vitreous Floaters, Halo Vision
Adverse event was reported on Jan 22, 2013 by a Male taking Flomax (Dosage: N/A) was diagnosed with and. Location: CA , 35 years of age, Patient felt the following Flomax side effects: vision blurred, headache, intraocular pressure test, vitreous floaters, halo vision.
Multiple prescriptions taken:
  • Proscar


Dizziness, Headache, Nasal Congestion, Sluggishness, Nausea
on Jan 07, 2013 Male from US , 63 years of age, weighting 195.0 lb, was diagnosed with and was treated with Flomax Tamsulosin. After Flomax was administered, patient encountered several Flomax side effects: dizziness, headache, nasal congestion, sluggishness, nausea. Flomax Tamsulosin dosage: 1 Capsule 1/day.
Multiple concurrent drugs taken:
  • Metatoprol
  • B12 Injection
  • Saw Palmetto


Blood Urine Present, Urinary Retention, Urine Abnormality, Cystitis, Urogenital Haemorrhage
on Jan 31, 2013 Male from GB , 61 years of age, was diagnosed with and was treated with Flomax Relief Mr. Directly after, patient experienced the unwanted or unexpected Flomax side effects: blood urine present, urinary retention, urine abnormality, cystitis, urogenital haemorrhage. Flomax Relief Mr dosage: 0.4 Mg.

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Keep Track of Side Effects

Note Your Observations

It is really important to keep of your symptoms, right from the time you start a new medicine. You can do it any way you prefer: in a notebook, in a computer file or using our online tool. You should also note down any other medicines you are taking at the same time, because there could be an interaction between these medicines.

Why Your Notes are Important

Your notes could be helpful in several ways:

  • You can use them to remind you of details that may alert your health care professional(s) to a problem
  • You will have a record to refer to in the future, in case you are ever prescribed the same medicine again

  • Log Form

    You can use the following log form to write down important information, like the date and time you experienced a side effect and your symptoms, how strong the symptoms were, and any other medicines you were using.

    Medicine Name and Dosage:

     

    Side Effects

    Scale

    Date & Time

    Other Medicine(s) or Treatment(s)

     

     

     

     

    Scale: 1 = very mild to 10 = very bad


    Track Online

  • User Sign In
  • Register to track your side effects

  • You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

    Discuss Flomax Side Effects

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    How Effective is Flomax for You?

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    Safety Alerts, Active Ingredients, Usage Information

    Alternative FLOMAX Names:TAMSULOSI

    Active Ingredient: TAMSULOSI

    Flomax Dosage, Warnings, Usage.

    Side Effects reported to FDA: 2177

    Flomax safety alerts: 2005

    Reported deaths: 78

    Reported hospitalizations: 467

    Flomax (tamsulosin HCl)

    Audience: Ophthalmologists, Urologists, and other healthcare professionals

    [Posted 11/22/2005] Boehringer Ingelheim and FDA notified healthcare professionals of revisions to PRECAUTIONS and ADVERSE REACTIONS sections of the prescribing information for Flomax, indicated for the treatment of the signs and symptoms of benign prostatic hyperplasia (BPH). A surgical condition termed Intraoperative Floppy Iris Syndrome (IFIS) has been observed during phacoemulsification cataract surgery in some patients treated with alpha-1 blockers including Flomax. Most of these reports were in patients taking the alpha-1 blocker when IFIS occurred, but in some cases alpha-1 blocker had been stopped prior to surgery. It is recommended that male patients being considered for cataract surgery, as part of their medical history, be specifically questioned to ascertain whether they have taken Flomax or other alpha-1 blockers. If so, the patient's ophthalmologist should be prepared for possible modifications to their surgical technique that may be warranted should IFIS be observed during the procedure.

    [November 2005 - Letter - Boehringer Ingelheim]
    [October 2005 - Label - Boehringer Ingelheim]

    Latest Flomax clinical trials