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Tamsulosin Side Effects

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Common Tamsulosin Side Effects


The most commonly reported Tamsulosin side effects (click to view or check a box to report):

Dizziness (106)
Product Substitution Issue (60)
Hypotension (52)
Syncope (51)
Floppy Iris Syndrome (49)
Urinary Retention (45)
Dysuria (36)
Orthostatic Hypotension (34)
Asthenia (33)
Headache (33)
Nausea (33)
Fatigue (32)
Dyspnoea (31)
Loss Of Consciousness (29)
Diarrhoea (27)
Fall (27)
Constipation (26)
Malaise (25)
Miosis (24)
Hypertension (22)

➢ More



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 (e.g. physician, pharmacist). You could also complete a copy of the side effect reporting form or report your side effect to FDA.

Tamsulosin Side Effects Reported to FDA



Tamsulosin Side Effect Report#9999989
Malaise, Syncope
This is a report of a 67-year-old male patient (weight: NA) from FR, suffering from the following health symptoms/conditions: NA, who was treated with Tamsulosin Sandoz (dosage: 1 Df, Once/single, start time:
Sep 10, 2007), combined with:
  • Preterax (Unk Ukn, Q18h)
  • Crestor
  • Permixon (2 Df, Qd)
  • Inexium//esomeprazole Magnesium
and developed a serious reaction and side effect(s): Malaise, Syncope after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Tamsulosin Sandoz treatment in male patients, resulting in Malaise side effect. The patient was hospitalized.
Tamsulosin Side Effect Report#9999988
Malaise, Dizziness, Orthostatic Hypotension
This report suggests a potential Tamsulosin Sandoz Malaise side effect(s) that can have serious consequences. A 76-year-old male patient (weight: NA) from FR was diagnosed with the following symptoms/conditions: benign prostatic hyperplasia,hypertension and used Tamsulosin Sandoz (dosage: 1 Df, Qd) starting
Aug 13, 2008. After starting Tamsulosin Sandoz the patient began experiencing various side effects, including: Malaise, Dizziness, Orthostatic HypotensionAdditional drugs used concurrently:
  • Coolmetec (1 Df, Qd)
  • Prednisone
  • Zolpidem
  • Trimetazidine
  • Doliprane
  • Mononaxy
  • Prednisolone
The patient was hospitalized. Although Tamsulosin Sandoz demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Malaise, may still occur.
Tamsulosin Side Effect Report#9999531
Pleural Effusion
This Pleural Effusion problem was reported by a pharmacist from GB. A 82-year-old male patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On NS this consumer started treatment with Tamsulosin (dosage: NA). The following drugs were being taken at the same time: NA. When using Tamsulosin, the patient experienced the following unwanted symptoms/side effects: Pleural EffusionAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Pleural Effusion, may become evident only after a product is in use by the general population.
Tamsulosin Side Effect Report#9995193
Pleural Effusion
This Pleural Effusion side effect was reported by a consumer or non-health professional from GB. A 82-year-old male patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Tamsulosin (drug dosage: NA), which was initiated on NS. Concurrently used drugs: NA..After starting to take Tamsulosin the consumer reported adverse symptoms, such as: Pleural EffusionThese side effects may potentially be related to Tamsulosin.
Tamsulosin Side Effect Report#9994891
Erection Increased
This is a report of a 56-year-old male patient (weight: NA) from US, suffering from the following health symptoms/conditions: urinary retention, who was treated with Tamsulosin (dosage: 1 Pill Once Daily Swallow, start time:
Feb 28, 2014), combined with: NA. and developed a serious reaction and side effect(s): Erection Increased after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Tamsulosin treatment in male patients, resulting in Erection Increased side effect. The patient was hospitalized.
Tamsulosin Side Effect Report#9985045
Cytomegalovirus Gastroenteritis, Cytomegalovirus Infection
This report suggests a potential Tamsulosin Cytomegalovirus Gastroenteritis side effect(s) that can have serious consequences. A 65-year-old male patient (weight: NA) from Country Not Specified was diagnosed with the following symptoms/conditions: NA and used Tamsulosin (dosage: NA) starting NS. After starting Tamsulosin the patient began experiencing various side effects, including: Cytomegalovirus Gastroenteritis, Cytomegalovirus InfectionAdditional drugs used concurrently:
  • Starsis (nateglinide)
  • Cilostazol
  • Rabeprazole Sodium
  • Cellcept (mycophenolate Mofetil) Tablet (1500 Mg)
  • Cellcept (mycophenolate Mofetil) Tablet
  • Cellcept (mycophenolate Mofetil) Tablet
  • Ciclosporin
  • Ciclosporin
The patient was hospitalized. Although Tamsulosin demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Cytomegalovirus Gastroenteritis, may still occur.
Tamsulosin Side Effect Report#9980997
Syncope
This Syncope problem was reported by a pharmacist from IT. A 68-year-old male patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On
Jan 01, 2013 this consumer started treatment with Tamsulosin (tamsulosin) (dosage: 1 Dosage Forms, 1 D, Oral). The following drugs were being taken at the same time:
  • Ratacand Plus (0.5 Dosage Forms, 1 D, Oral)
When using Tamsulosin (tamsulosin), the patient experienced the following unwanted symptoms/side effects: SyncopeAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Syncope, may become evident only after a product is in use by the general population.
Tamsulosin Side Effect Report#9943511
Conjunctivitis
This Conjunctivitis side effect was reported by a health professional from US. A 59-year-old male patient (weight:NA) experienced the following symptoms/conditions: benign prostatic hyperplasia.The patient was prescribed Tamsulosin (drug dosage: NA), which was initiated on NS. Concurrently used drugs: NA..After starting to take Tamsulosin the consumer reported adverse symptoms, such as: ConjunctivitisThese side effects may potentially be related to Tamsulosin.
Tamsulosin Side Effect Report#9929293
Dermatitis Exfoliative
This is a report of a 71-year-old male patient (weight: NA) from SG, suffering from the following health symptoms/conditions: NA, who was treated with Tamsulosin (dosage: NA, start time: NS), combined with: NA. and developed a serious reaction and side effect(s): Dermatitis Exfoliative after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Tamsulosin treatment in male patients, resulting in Dermatitis Exfoliative side effect.
Tamsulosin Side Effect Report#9926251
Conjunctivitis
This report suggests a potential Tamsulosin Conjunctivitis side effect(s) that can have serious consequences. A 59-year-old male patient (weight: NA) from US was diagnosed with the following symptoms/conditions: benign prostatic hyperplasia and used Tamsulosin (dosage: NA) starting NS. After starting Tamsulosin the patient began experiencing various side effects, including: ConjunctivitisAdditional drugs used concurrently: NA. Although Tamsulosin demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Conjunctivitis, may still occur.
Tamsulosin Side Effect Report#9925535
Abdominal Pain Upper, Nausea
This Abdominal Pain Upper problem was reported by a physician from IT. A 58-year-old male patient (weight: NA) was diagnosed with the following symptoms/conditions: benign prostatic hyperplasia. On
Oct 08, 2013 this consumer started treatment with Tamsulosin Hydrochloride (dosage: 0.4 Mg). The following drugs were being taken at the same time:
  • Levofloxacin (1 Anz)
When using Tamsulosin Hydrochloride, the patient experienced the following unwanted symptoms/side effects: Abdominal Pain Upper, NauseaAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Abdominal Pain Upper, may become evident only after a product is in use by the general population.
Tamsulosin Side Effect Report#9925445
Completed Suicide, Respiratory Arrest, Cardiac Arrest, Exposure Via Ingestion
This Completed Suicide side effect was reported by a consumer or non-health professional from US. A 36-year-old male patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Tamsulosin (drug dosage: NA), which was initiated on NS. Concurrently used drugs:
  • Midazolam
  • Losartan (losartan)
  • Amlodipine (amlodipine)
  • Metoprolol (metoprolol)
  • Meclizine (meclizine) (meclizine)
  • Quinine
  • Isosorbide Dinitrate (isosorbide Dinitrate) (isosorbide Dinitrate)
  • Potassium Chloride (potassium Chloride)
.After starting to take Tamsulosin the consumer reported adverse symptoms, such as: Completed Suicide, Respiratory Arrest, Cardiac Arrest, Exposure Via IngestionThese side effects may potentially be related to Tamsulosin.
Tamsulosin Side Effect Report#9922707
Conjunctivitis, Eye Irritation, Eye Pain, Eye Discharge
This is a report of a 59-year-old male patient (weight: NA) from US, suffering from the following health symptoms/conditions: benign prostatic hyperplasia, who was treated with Tamsulosin (dosage: NA, start time: NS), combined with: NA. and developed a serious reaction and side effect(s): Conjunctivitis, Eye Irritation, Eye Pain, Eye Discharge after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Tamsulosin treatment in male patients, resulting in Conjunctivitis side effect.
Tamsulosin Side Effect Report#9922498
Abdominal Distension, Dyspepsia
This report suggests a potential Tamsulosin Hydrochloride Abdominal Distension side effect(s) that can have serious consequences. A 74-year-old male patient (weight: NA) from GB was diagnosed with the following symptoms/conditions: NA and used Tamsulosin Hydrochloride (dosage: Unk) starting
Nov 06, 2013. After starting Tamsulosin Hydrochloride the patient began experiencing various side effects, including: Abdominal Distension, DyspepsiaAdditional drugs used concurrently:
  • Ramipril (Unk)
  • Atenolol (Unk)
  • Bendroflumethiazide (Unk)
  • Co-codamol (Unk)
  • Dutasteride (Unk)
  • Omeprazole (Unk)
  • Phenoxymethylpenicillin (Unk)
  • Sildenafil (Unk)
Although Tamsulosin Hydrochloride demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Abdominal Distension, may still occur.
Tamsulosin Side Effect Report#9921927
Dysuria, Product Substitution Issue, Condition Aggravated
This Dysuria problem was reported by a consumer or non-health professional from US. A 70-year-old male patient (weight: NA) was diagnosed with the following symptoms/conditions: dysuria. On NS this consumer started treatment with Tamsulosin (dosage: NA). The following drugs were being taken at the same time: NA. When using Tamsulosin, the patient experienced the following unwanted symptoms/side effects: Dysuria, Product Substitution Issue, Condition AggravatedAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Dysuria, may become evident only after a product is in use by the general population.
Tamsulosin Side Effect Report#9913500
Pleural Effusion
This Pleural Effusion side effect was reported by a pharmacist from GB. A 82-year-old male patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Tamsulosina (drug dosage: NA), which was initiated on NS. Concurrently used drugs: NA..After starting to take Tamsulosina the consumer reported adverse symptoms, such as: Pleural EffusionThese side effects may potentially be related to Tamsulosina.
Tamsulosin Side Effect Report#9897496
Syncope
This is a report of a 85-year-old male patient (weight: NA) from IT, suffering from the following health symptoms/conditions: NA, who was treated with Tamsulosin Hydrochloride (dosage: NA, start time:
Jan 01, 2013), combined with:
  • Carvedilol (6.25 Mg Daily)
  • Lisinopril Dihydrate (10 Mg Daily)
  • Furosemide
  • Amiodarone Hydrochloride
  • Luvion - 50 Mg Compresse - Therabel Gienne Pharma S.p.a. (25 Mg Daily)
  • Glyceryl Trinitrate (10 Mg Daily)
  • Acetylsalicylic Acid (100 Milligram Daily;)
and developed a serious reaction and side effect(s): Syncope after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Tamsulosin Hydrochloride treatment in male patients, resulting in Syncope side effect.
Tamsulosin Side Effect Report#9893817
Syncope
This report suggests a potential Tamsulosin Hydrochloride Syncope side effect(s) that can have serious consequences. A 85-year-old male patient (weight: NA) from IT was diagnosed with the following symptoms/conditions: NA and used Tamsulosin Hydrochloride (dosage: NA) starting
Jan 01, 2013. After starting Tamsulosin Hydrochloride the patient began experiencing various side effects, including: SyncopeAdditional drugs used concurrently:
  • Carvedilol (6.25 Mg Daily)
  • Lisinopril Dihydrate (10 Mg Daily)
  • Furosemide
  • Glyceryl Trinitrate (10 Mg Daily)
  • Amiodarone Hydrochloride
  • Luvion /00252501/ (25 Mg Daily)
  • Acetylsalicylic Acid (100 Mg)
Although Tamsulosin Hydrochloride demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Syncope, may still occur.
Tamsulosin Side Effect Report#9880461
Rhinorrhoea, Dyspnoea, Headache, Rash, Pharyngeal Oedema
This Rhinorrhoea problem was reported by a consumer or non-health professional from US. A 62-year-old male patient (weight: NA) was diagnosed with the following symptoms/conditions: benign prostatic hyperplasia. On
Mar 30, 2013 this consumer started treatment with Tamsulosin Hcl (dosage: 0.4 Mg Capsule?1 Capsule?1/day At Bedtime?by Mouth). The following drugs were being taken at the same time: NA. When using Tamsulosin Hcl, the patient experienced the following unwanted symptoms/side effects: Rhinorrhoea, Dyspnoea, Headache, Rash, Pharyngeal OedemaAlthough all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Rhinorrhoea, may become evident only after a product is in use by the general population.
Tamsulosin Side Effect Report#9879600
Vomiting, Pyrexia, Diarrhoea, Dry Mouth, Dizziness
This Vomiting side effect was reported by a health professional from RU. A 73-year-old male patient (weight:NA) experienced the following symptoms/conditions: benign prostatic hyperplasia.The patient was prescribed Tamsulosin (drug dosage: 0.4 Mg), which was initiated on 201401. Concurrently used drugs: NA..After starting to take Tamsulosin the consumer reported adverse symptoms, such as: Vomiting, Pyrexia, Diarrhoea, Dry Mouth, DizzinessThese side effects may potentially be related to Tamsulosin.
Tamsulosin Side Effect Report#9876935
Urinary Retention
This is a report of a 70-year-old male patient (weight: NA) from US, suffering from the following health symptoms/conditions: NA, who was treated with Tamsulosin (flomax) (dosage: NA, start time: NS), combined with: NA. and developed a serious reaction and side effect(s): Urinary Retention after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Tamsulosin (flomax) treatment in male patients, resulting in Urinary Retention side effect.
Tamsulosin Side Effect Report#9870304
Abnormal Dreams, Dry Mouth, Product Substitution Issue, Product Label On Wrong Product
This report suggests a potential Tamsulosin Abnormal Dreams side effect(s) that can have serious consequences. A 71-year-old male patient (weight: NA) from US was diagnosed with the following symptoms/conditions: benign prostatic hyperplasia and used Tamsulosin (dosage: NA) starting NS. After starting Tamsulosin the patient began experiencing various side effects, including: Abnormal Dreams, Dry Mouth, Product Substitution Issue, Product Label On Wrong ProductAdditional drugs used concurrently: NA. Although Tamsulosin demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Abnormal Dreams, may still occur.
Tamsulosin Side Effect Report#9846526
Colonic Pseudo-obstruction
This Colonic Pseudo-obstruction problem was reported by a physician from GB. A 81-year-old male patient (weight: NA) was diagnosed with the following symptoms/conditions: NA. On
Sep 01, 2013 this consumer started treatment with Tamsulosin (tamsulosin) (dosage: NA). The following drugs were being taken at the same time:
  • Amlodipine (amlodipine)
  • Baclofen (baclofen)
  • Citalopram (citalopram)
  • Diprobase (diprobase)
  • Epilim (valproate Sodium)
  • Ferrous Sulphate (ferrous Sulfate)
  • Folic Acid (folic Acid)
  • Furosemide (furosemide)
When using Tamsulosin (tamsulosin), the patient experienced the following unwanted symptoms/side effects: Colonic Pseudo-obstructionThe patient was hospitalized.Although all drugs are carefully tested before they are licensed for use, they carry side effect risks. Some side effects, such as Colonic Pseudo-obstruction, may become evident only after a product is in use by the general population.
Tamsulosin Side Effect Report#9839120
Colonic Pseudo-obstruction
This Colonic Pseudo-obstruction side effect was reported by a health professional from GB. A 81-year-old male patient (weight:NA) experienced the following symptoms/conditions: NA.The patient was prescribed Tamsulosin (drug dosage: NA), which was initiated on
Sep 01, 2013. Concurrently used drugs:
  • Amlodipine (amlodipine)
  • Baclofen (baclofen)
  • Citalopram (citalopram)
  • Diprobase
  • Epilim (valproate Sodium)
  • Ferrous Sulphate
  • Folic Acid (folic Acid)
  • Furosemide (furosemide)
.After starting to take Tamsulosin the consumer reported adverse symptoms, such as: Colonic Pseudo-obstructionThese side effects may potentially be related to Tamsulosin. The patient was hospitalized.
Tamsulosin Side Effect Report#9833296
Colonic Pseudo-obstruction
This is a report of a 81-year-old male patient (weight: NA) from GB, suffering from the following health symptoms/conditions: NA, who was treated with Tamsulosin (dosage: NA, start time:
Sep 01, 2013), combined with:
  • Amlodipine
  • Baclofen
  • Citalopram
  • Diprobase /01132701/
  • Epilim
  • Ferrous Sulphate
  • Folic Acid
  • Furosemide
and developed a serious reaction and side effect(s): Colonic Pseudo-obstruction after the beginning of treatment. This case can indicate the possible existence of increased vulnerability to Tamsulosin treatment in male patients, resulting in Colonic Pseudo-obstruction side effect. The patient was hospitalized.


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The appearance of Tamsulosin 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.

What are common Tamsulosin Side Effects for Men?

Men Side EffectsReports
Dizziness 104
Product Substitution Issue 58
Floppy Iris Syndrome 49
Syncope 49
Hypotension 48
Urinary Retention 44
Dysuria 36
Asthenia 33
Nausea 33
Orthostatic Hypotension 33

Track Your Side Effects

Note Your Observations

It is really important to keep track of your health 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

    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.

    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.

    Tamsulosin 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.

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    Tamsulosin Safety Alerts, Active Ingredients, Usage Information

    NDC0093-7338
    TypeHUMAN PRESCRIPTION DRUG
    Proprietary NameTamsulosin Hydrochloride
    NameTamsulosin Hydrochloride
    Dosage FormCAPSULE
    RouteORAL
    On market since20100427
    LabelerTeva Pharmaceuticals USA Inc
    Active Ingredient(s)TAMSULOSIN HYDROCHLORIDE
    Strength(s)0.4
    Unit(s)mg/1
    Pharma ClassAdrenergic alpha-Antagonists [MoA],alpha-Adrenergic Blocker [EPC]

    More About Tamsulosin

    Side Effects reported to FDA: 1232

    Tamsulosin safety alerts: 2005

    Reported deaths: 47

    Reported hospitalizations: 288

    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]

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