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Problems With Ejaculation (21)
Abdominal Pain (15)
Body Odor (14)
Constipation (14)
Rash (7)
Light Headed (6)
Amlodipine (3)
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Tamsulosin Side Effects and Adverse Effects reported to US Food and Drug Administration (FDA)

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  Showing 151-175 of 896 

Transient Ischaemic Attack (8043456-8)
on Dec 30, 2011 Male from UNITED KINGDOM , 67 years of age, was diagnosed with
  • bladder obstruction
and was treated with Tamsulosin Hydrochloride. Directly after, patient experienced the unwanted or unexpected Tamsulosin side effects: transient ischaemic attack. Tamsulosin Hydrochloride dosage: N/A. Patient was hospitalized.

Constipation (8041255-4)
Patient was taking Tamsulosin Hydrochloride. Patient felt the following Tamsulosin side effects: constipation on Jan 09, 2012 from UNITED STATES Additional patient health information: Male , weighting 160.0 lb, . Tamsulosin Hydrochloride dosage: Unk.
Multiple prescriptions taken:
  • Toviaz (Unkn, Daily)


Logorrhoea (8031595-7)
Adverse event was reported on Dec 29, 2011 by a Male taking Tamsulosin Hcl (Dosage: N/A) . Location: CHINA , 82 years of age, After Tamsulosin was administered, patient encountered several Tamsulosin side effects: logorrhoea. Patient was hospitalized.

Liver Disorder (8031207-2)
on Dec 26, 2011 Male from JAPAN , 61 years of age, was treated with Tamsulosin Hcl. Directly after, patient experienced the unwanted or unexpected Tamsulosin side effects: liver disorder. Tamsulosin Hcl dosage: N/A.
Associated medications used:
  • Spara



Anal Infection (8029841-9)
on Jul 29, 2011 Female from UNITED STATES , 64 years of age, weighting 147.7 lb, was treated with Tamsulosin Hcl. Patient felt the following Tamsulosin side effects: anal infection. Tamsulosin Hcl dosage: Unk.
Multiple prescriptions taken:
  • Cytarabine (3660 Mg, Qd)
  • Aspirin (Unk)
  • Neulasta
  • Tretinoin (30 Mg, Qd)
  • Bisoprolol (Unk)
  • Gemtuzumab Ozogamicin (5.5 Mg, Qd)
  • Enalapril Maleate (Unk)
  • Simvastatin (Unk)
Patient was hospitalized.

Groin Pain (8028417-7)
Patient was taking Tamsulosin Hcl. After Tamsulosin was administered, patient encountered several Tamsulosin side effects: groin pain on Jul 13, 2011 from UNITED STATES Additional patient health information: Male , 76 years of age, was diagnosed with
  • prostatic disorder
and. Tamsulosin Hcl dosage: N/A.
Multiple concurrent drugs taken:
  • Finasteride


Parkinsonism, Gait Disturbance, Dysphagia, Flat Affect, Lethargy (8028344-5)
Adverse event was reported on Jan 04, 2012 by a Male taking Tamsulosin Hcl (Dosage: 400 Ug, Unk) was diagnosed with
  • urinary retention
  • transient ischaemic attack
  • prostatism
and. Location: UNITED KINGDOM , 65 years of age, Directly after, patient experienced the unwanted or unexpected Tamsulosin side effects: parkinsonism, gait disturbance, dysphagia, flat affect, lethargy.
Associated medications used:
  • Simvastatin (40 Mg, Unk)
  • Finasteride (5 Mg, Unk)
  • Aspirin (75 Mg, Unk)


Bladder Cancer (8028101-X)
on Dec 23, 2011 Male from UNITED STATES , 73 years of age, weighting 198.0 lb, was treated with Tamsulosin Hcl. Patient felt the following Tamsulosin side effects: bladder cancer. Tamsulosin Hcl dosage: N/A.
Multiple prescriptions taken:
  • Actos (30 Mg, 1 In 1 D, Per Oral)
  • Glipizide Er (glipizide)
  • Metformin Er (metformin Hydrochloride]
Patient was hospitalized.

Dyspnoea, Cystitis, Leukocytosis, Hyperbilirubinaemia, Mallory-weiss Syndrome, Sarcoidosis, Neoplasm, Autoimmune Disorder, Respiratory Failure (8024022-7)
on Dec 20, 2011 Male from SPAIN , weighting 130.1 lb, was treated with Tamsulosin Hcl. After Tamsulosin was administered, patient encountered several Tamsulosin side effects: dyspnoea, cystitis, leukocytosis, hyperbilirubinaemia, mallory-weiss syndrome, sarcoidosis, neoplasm, autoimmune disorder, respiratory failure. Tamsulosin Hcl dosage: N/A.
Multiple concurrent drugs taken:
  • Amiodarone Hcl
  • Ramipril
  • Torasemide (torademide)
  • Acetaminophen
  • Atovastatin (atovastatin)
  • Aspirin
  • Citalopram Hydrobromide
  • Hydrocortone
Patient was hospitalized.

Cardiomegaly, Left Ventricular Dysfunction, Cardiac Failure, Oedema Peripheral, Dilatation Ventricular, Dyspnoea (8021023-X)
Patient was taking Tamsulosin Hcl. Directly after, patient experienced the unwanted or unexpected Tamsulosin side effects: cardiomegaly, left ventricular dysfunction, cardiac failure, oedema peripheral, dilatation ventricular, dyspnoea on Dec 15, 2011 from DENMARK Additional patient health information: Male , 50 years of age, . Tamsulosin Hcl dosage: N/A.
Associated medications used:
  • Bicalutamide (;po)
  • Albuterol Sulfate Autohaler
Patient was hospitalized and became disabled.

Hypotension, Tachycardia, Polyuria (8019952-6)
Adverse event was reported on Dec 23, 2011 by a Male taking Tamsulosin Hcl (Dosage: N/A) . Location: UNITED STATES , 40 years of age, weighting 235.9 lb, Patient felt the following Tamsulosin side effects: hypotension, tachycardia, polyuria.
Multiple prescriptions taken:
  • Meloxicam
  • Carisoprodol
  • Ketamine Hcl
  • Midazolam (2 Mg)
  • Sufentanil Citrate
  • Vecuronium Bromide
  • Losartan Potassium
  • Hydrocodone Bitartrate And Acetaminophen


Haemoglobin Decreased, Haematocrit Decreased, Occult Blood Positive, Pallor, Gastric Cancer (8018373-X)
on Dec 21, 2011 Male from LEBANON , 65 years of age, was diagnosed with
  • benign prostatic hyperplasia
  • type 2 diabetes mellitus
and was treated with Tamsulosin Hydrochloride. After Tamsulosin was administered, patient encountered several Tamsulosin side effects: haemoglobin decreased, haematocrit decreased, occult blood positive, pallor, gastric cancer. Tamsulosin Hydrochloride dosage: N/A.
Multiple concurrent drugs taken:
  • Lantus (Dose Reported As 30-34 U)
  • Crestor
  • Amlodipine/valsartan
  • Amaryl


Thrombin Time Prolonged, Haemoglobin Decreased, Thrombocytopenia, Activated Partial Thromboplastin Time (8017990-0)
on Dec 27, 2011 Male from GERMANY , 71 years of age, was treated with Tamsulosin Hcl. Directly after, patient experienced the unwanted or unexpected Tamsulosin side effects: thrombin time prolonged, haemoglobin decreased, thrombocytopenia, activated partial thromboplastin time. Tamsulosin Hcl dosage: N/A.
Associated medications used:
  • Thorem
  • Pradaxa (300 Mg)
  • Bisoprolol
  • Aspirin


Sexual Dysfunction, Erectile Dysfunction (8016303-8)
Patient was taking Tamsulosin Hcl. Patient felt the following Tamsulosin side effects: sexual dysfunction, erectile dysfunction on Dec 28, 2011 from UNITED STATES Additional patient health information: Male , 50 years of age, was diagnosed with
  • prostatomegaly
and. Tamsulosin Hcl dosage: One A Day.
Multiple prescriptions taken:
  • Viagra


Multi-organ Failure (8013594-4)
Adverse event was reported on Dec 26, 2011 by a Male taking Tamsulosin Hydrochloride (Dosage: N/A) was diagnosed with
  • prostatic disorder
and. Location: BRAZIL , 80 years of age, After Tamsulosin was administered, patient encountered several Tamsulosin side effects: multi-organ failure.

Transient Ischaemic Attack (8010078-4)
on Dec 13, 2011 Male from UNITED KINGDOM , 67 years of age, was diagnosed with
  • bladder obstruction
and was treated with Tamsulosin Hydrochloride. Directly after, patient experienced the unwanted or unexpected Tamsulosin side effects: transient ischaemic attack. Tamsulosin Hydrochloride dosage: N/A. Patient was hospitalized.

Injection Site Cyst (8007688-7)
on Mar 07, 2011 Male from UNITED STATES , 78 years of age, was diagnosed with
  • benign prostatic hyperplasia
  • prostate cancer
and was treated with Tamsulosin Hcl. Patient felt the following Tamsulosin side effects: injection site cyst. Tamsulosin Hcl dosage: N/A.
Multiple prescriptions taken:
  • Lupron Depot


International Normalised Ratio Increased, Pericardial Effusion, Pericardial Haemorrhage, Fibrin D Dimer Increased (8004517-2)
Patient was taking Tamsulosin Hcl. After Tamsulosin was administered, patient encountered several Tamsulosin side effects: international normalised ratio increased, pericardial effusion, pericardial haemorrhage, fibrin d dimer increased on Dec 21, 2011 from UNITED STATES Additional patient health information: Female , 96 years of age, weighting 138.5 lb, . Tamsulosin Hcl dosage: N/A.
Multiple concurrent drugs taken:
  • Ramipril
  • Carvedilol
  • M.v.i.
  • Coumadin (6mg Daily Po Chronic)
  • Lasix
Patient was hospitalized.

Transient Ischaemic Attack (8003469-9)
Adverse event was reported on Dec 14, 2011 by a Male taking Tamsulosin Hcl (Dosage: 400 Mg) was diagnosed with
  • bladder obstruction
and. Location: UNITED KINGDOM , 67 years of age, Directly after, patient experienced the unwanted or unexpected Tamsulosin side effects: transient ischaemic attack. Patient was hospitalized.

Breast Mass (8003034-3)
on Oct 11, 2011 Male from UNITED STATES , 61 years of age, was treated with Tamsulosin Hcl. Patient felt the following Tamsulosin side effects: breast mass. Tamsulosin Hcl dosage: N/A.
Multiple prescriptions taken:
  • Avodart
  • Lipitor
  • Losartan Potassium


Skin Disorder (8002852-5)
on Dec 08, 2010 Male from UNITED STATES , 70 years of age, weighting 166.4 lb, was treated with Tamsulosin Hcl. After Tamsulosin was administered, patient encountered several Tamsulosin side effects: skin disorder. Tamsulosin Hcl dosage: .4mg Per Day.
Multiple concurrent drugs taken:
  • Avodart (.5mg Per Day)


Dysuria, Blood Pressure Decreased (8002814-8)
Patient was taking Tamsulosin Hcl. Directly after, patient experienced the unwanted or unexpected Tamsulosin side effects: dysuria, blood pressure decreased on Nov 02, 2010 from UNITED STATES Additional patient health information: Male , 86 years of age, . Tamsulosin Hcl dosage: N/A.
Associated medications used:
  • Vitamin B-12
  • Xopenex
  • Vitamin D
  • Prilosec
  • Vitamin C
  • Avodart (.5mg Per Day)
  • Proventil
  • Prednisone Tab


Rash, Product Substitution Issue (8000303-8)
Adverse event was reported on Dec 20, 2011 by a Male taking Tamsulosin Hcl (Dosage: 0.4 Mg 1 Po Qd Po) was diagnosed with
  • nocturia
and. Location: UNITED STATES , 84 years of age, weighting 188.0 lb, Patient felt the following Tamsulosin side effects: rash, product substitution issue.

Hepatitis (7997067-0)
on Dec 14, 2011 Male from KOREA, REPUBLIC OF , 58 years of age, weighting 167.6 lb, was diagnosed with
  • neurogenic bladder
and was treated with Tamsulosin Hcl. After Tamsulosin was administered, patient encountered several Tamsulosin side effects: hepatitis. Tamsulosin Hcl dosage: 0.2 Mg.
Multiple concurrent drugs taken:
  • Ursodiol


Visual Acuity Reduced, Pneumonitis, Angioedema (7997064-5)
on Dec 12, 2011 Male from NETHERLANDS , 71 years of age, was diagnosed with
  • benign prostatic hyperplasia
and was treated with Tamsulosin Hcl. Directly after, patient experienced the unwanted or unexpected Tamsulosin side effects: visual acuity reduced, pneumonitis, angioedema. Tamsulosin Hcl dosage: 0.4 Mg.
Associated medications used:
  • Carbasalate Calcium (carbasalate Calcium)
  • Simvastatin


  Showing 151-175 of 896 

Tamsulosin Health Episodes

How Can Tamsulosin Affect You?

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Most drugs have a large list of nonsevere or mild adverse effects which do not rule out continued usage. These effects depend on individual sensitivity, and can include nausea, dizziness, diarrhea, malaise, vomiting, headache, dermatitis, dry mouth, etc. Check commonly reported side effects . These can be considered a form of pseudo-allergic reaction, as not all users experience these effects; many users experience none at all.

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 Information

Alternative TAMSULOSIN Names:TAMSULOSI

Active Ingredient: TAMSULOSI

More About Tamsulosin

Side Effects reported to FDA: 896. View Tamsulosin Adverse Reports

Tamsulosin safety alerts: 2005

Reported deaths: 39

Reported hospitalizations: 253

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