Tamsulosin (Oral Route)

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Side Effects

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

More common
  • Cough or hoarseness
  • Fever or chills
  • Lower back or side pain
  • Painful or difficult urination
Less common
  • Chest pain
Rare
  • Dizziness or lightheadedness
  • Fainting
  • Feeling of constant movement of self or surroundings
  • Painful or prolonged erection of the penis
  • Sensation of spinning
Incidence not known
  • Blurred vision
  • Confusion
  • Dizziness, faintness, or lightheadedness when getting up from a lying or sitting position suddenly
  • Fast, pounding heartbeat
  • Large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
  • Peeling of the skin
  • Sweating
  • Unusual tiredness or weakness

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common
  • Abnormal ejaculation
  • Back pain
  • Body aches or pain
  • Congestion
  • Diarrhea
  • Dryness or soreness of the throat
  • Headache
  • Lack or loss of strength
  • Sneezing
  • Stuffy or runny nose
  • Tender, swollen glands in the neck
  • Trouble with swallowing
  • Unusual weakness
  • Voice changes
Less common
  • Decreased interest in sexual intercourse
  • Decreased sexual drive or performance
  • Drowsiness
  • Inability to have or keep an erection
  • Increased cough
  • Loss in sexual ability, desire, drive, or performance
  • Nausea
  • Sleepiness or unusual drowsiness
  • Sleeplessness
  • Trouble with sleeping
  • Unable to sleep
Incidence not known
  • Constipation
  • Hives or welts
  • Itching skin
  • Redness of the skin
  • Skin rash
  • Vomiting

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

Precautions

DR601843

Portions of this document last updated:

Nov. 1, 2009

Source: Drug Information provided by: Micromedex

Copyright © 2009 Thomson Healthcare Inc. All rights reserved. Information is for End User's use only and may not be sold, redistributed or otherwise used for commercial purposes.


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