TAMSULOSIN (Flomax) is used for treating enlarged prostate (benign prostatic hyperplasia; BPH).It may also be used for other conditions as determined by your doctor. Tamsulosin is an alpha-blocker. It works by relaxing muscles in the prostate and bladder, which helps to improve urine flow and reduce symptoms of BPH.
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Flomax
Generic name: Tamsulosin
Tamsulosin capsules
What are tamsulosin capsules?
TAMSULOSIN (Flomax®) is used to treat enlargement of the prostate gland in men (benign prostatic hyperplasia or BPH). It is not for use in women. Tamsulosin works by relaxing muscles in the prostate and bladder neck at the site of the obstruction. This improves urine flow and reduces BPH symptoms.
What should I tell my health care provider before I take this medicine?
They need to know if you have any of the following conditions:
- kidney disease
- liver disease
- low blood pressure
- prostate cancer
- an unusual or allergic reaction to tamsulosin, other medicines, foods, dyes, or preservatives
How should I take this medicine?
Always take tamsulosin capsules by mouth after a meal, about 30 minutes after the same meal every day. Follow the directions on the prescription label. Swallow the capsules whole with a drink of water; do not crush, chew, or open capsules. Do not take your medicine more often than directed. Do not stop taking except on your prescriber's advice.
What if I miss a dose?
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses. If you stop taking tamsulosin for several days or more, restart treatment at one capsule a day, after consulting with your prescriber or health care professional.
What drug(s) may interact with tamsulosin?
Do not take tamsulosin if you are taking the following medications:
- other alpha-blockers such as alfuzosin, doxazosin, phentolamine, phenoxybenzamine, prazosin, terazosin
Tamsulosin may also interact with the following medications:
- cimetidine
- medicines for high blood pressure
- sildenafil (doses of sildenafil higher than 25 mg should be taken at least 4 hours apart from taking tamsulosin)
- tadalafil
- vardenafil
- warfarin
Tell your prescriber or health care professional about all other medicines you are taking, including nonprescription medicines, nutritional supplements, or herbal products. Also tell your prescriber or health care professional if you are a frequent user of drinks with caffeine or alcohol, if you smoke, or if you use illegal drugs. These may affect the way your medicine works. Check with your prescriber or health care professional before stopping or starting any of your medicines.
What side effects may I notice from taking tamsulosin?
Side effects that you should report to your prescriber or health care professional as soon as possible:
Rare or uncommon:
- difficulty breathing, shortness of breath
- prolonged painful erection of the penis (priapism)
More common:
- fainting spells
- visual problems
- weakness
Side effects that usually do not require medical attention (report to your prescriber or health care professional if they continue or are bothersome):
- back pain
- diarrhea
- dizziness
- drowsiness
- sexual problems (ejaculation problems or decreased sex drive)
- headache
- insomnia
- nausea
- runny or stuffy nose
What should I watch for while taking tamsulosin?
You must see your physician regularly. While taking tamsulosin, you must have regular checkups. Follow your physician's advice about when to have these checkups.
You may feel drowsy or dizzy. Do not drive, use machinery, or do anything that requires mental alertness until you know how tamsulosin affects you. To reduce the risk of dizzy or fainting spells, do not sit or stand up quickly. If you begin to feel dizzy, sit down until you feel better. Avoid alcoholic drinks; they can make you more drowsy, increase flushing, and cause rapid heartbeats. Take tamsulosin at bedtime to lessen the effects of drowsiness and dizziness, but be careful if you have to get up during the night. Drowsiness and dizziness are more likely to occur after the first dose, after an increase in dose, or during hot weather or exercise. These effects can decrease once your body adjusts to this medicine.
Although extremely rare in men taking tamsulosin, contact you health care provider immediately if you experience prolonged and painful erection of the penis which is unrelated to sexual activity (priapism). If not brought to immediate medical attention, priapism can lead to permanent erectile dysfunction (impotence).
If you are going to have surgery, tell your prescriber or health care professional that you are taking tamsulosin.
Where can I keep my medicine?
Keep out of the reach of children in a container that small children cannot open.
Store at room temperature below 20 degrees.25 degrees C (68 degrees.77 degrees F). Throw away any unused medicine after the expiration date.
What is the shelf life of the pills?
- The expiry date is mentioned on each blister. It is different for different batches. The shelf life is 2 years from the date of manufacture and would differ from batch to batch depending on when they were manufactured.