Tamsulosin Hydrochloride Capsule 0.4mg (100 count) | On Sale | EntirelyPets Rx
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Tamsulosin Hydrochloride Capsule 0.4mg (100 count)

Item# IWM060189
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Tamsulosin is a prescription drug that can be used to relax the lower urinary tract and may help in the treatment of bladder stones. - Tamsulosin is similar to the drug Prazosin, but may be longer acting. There is less information known about the use of Tamsulosin in dogs and cats. - Tamsulosin may also help improve the passage of urine in cases of enlarged prostates, known as Benign Prostatic Hyperplasia (BPH). Why is Tamsulosin used for cats and dogs? Veterinarians may prescribe Tamsulosin to relax the smooth muscle of the bladder or prostate. - This relaxation can help improve urine flow in male dogs with enlarged prostates. - Tamsulosin may also help cats and dogs needing to pass bladder stones. What else should I know about Tamsulosin? It may take up to three days for Tamsulosin to start having a full effect. What problems could my dog or cat have with Tamsulosin? Higher dosages may cause low blood pressure. Do not crush sustained release tablets as this may increase the likelihood of this dangerous effect. How do you use Tamsulosin? Tamsulosin works best when given on an empty stomach. Always follow your veterinarian's recommendations. What is in Tamsulosin? The drug Tamsulosin blocks the sympathetic nervous system from stimulating certain receptors that are most commonly found in the prostate, parts of the bladder, and the lower urinary tract system.


Tamsulosin hydrochloride capsules USP are an alpha adrenoceptor antagonist that can be used for ureteral relaxation to facilitate passage of urinary calculi.

How It Works

Tamsulosin Hydrochloride is an alpha-blocker that relaxes the muscles in the prostate and bladder neck, making it easier to urinate.


  • Tamsulosin hydrochloride capsules are an alpha adrenoceptor antagonist indicated for treatment of the signs and symptoms of benign prostatic hyperplasia
  • Tamsulosin hydrochloride capsules are not indicated for the treatment of hypertension


Please use according to your veterinarian's instructions.


Tamsulosin is contraindicated in patients known to be hypersensitive to it. Tamsulosin capsules are manufactured in a sustained-release (beads) presentation to avoid rapid absorption and associated hypotensive effects; therefore they should not be crushed or compounded into an oral suspension.

This drug is FDA-approved for human use. However, it is common practice for veterinarians to prescribe such drugs for use in dogs and cats.

Side Effects:

Side-effects such as temporary ejaculate volume reduction may result in temporary infertility in some dogs. Higher dosages could cause hypotension. Signs of toxicity may include excessive salivation, lethargy, redness of eyes, excessive lacrimation, tremors, ataxia, lethargy and vomiting. If any of these symptoms occur discontinue use and contact your Veterinarian.


Store at 77°F. Excursions permitted to 59° - 86°F.


Tamsulosin hydrochloride capsules are an alpha1 adrenoceptor antagonist indicated for treatment of the signs and symptoms of benign prostatic hyperplasia. Could also be potentially useful to facilitate passage of nephroliths and ureteroliths, and for treating functional urinary obstruction, or detrusor-urethral dyssynergia
Originally prescribed for humans, this drug has benefits for dogs or other animals (as determined by your veterinarian).

Features of Tamsulosin Hydrochloride:

  • May be used to treat the symptoms and signs of benign prostatic hyperplasia (BPH or prostatic enlargement)
  • May be useful in facilitating passage of ureteroliths and nephroliths
  • Could be an effective treatment for detrusor-urethral dyssynergia (DESD) or functional urinary obstruction (UO)
Tamsulosin Hydrochloride makes urinating easier by relaxing the muscles in the bladder neck and prostate. It is an alpha-blocker.

Tamsulosin Hydrochloride can cause temporary infertility in dogs due to reactions such as a temporary reduction in ejaculate volume. Higher dosages could result in hypotension

If any symptoms of toxicity are observed, discontinue use and inform your pet's veterinarian. These symptoms include:

  • Vomiting
  • Lethargy
  • Ataxia (impaired coordination)
  • Tremors
  • Excessive lacrimation (tears)
  • Eye redness
  • Excessive salivation
  • Keep out of reach of animals and children.
  • Not recommended for use in animals with hypersensitivity to tamsulosin hydrochloride.
  • Sustained-release pellets in capsules should not be crushed. Rapid oral consumption can cause hypotension.
Contact your closest emergency pet hospital in case of overdose.

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