If you are a woman using this medication, tell your doctor if you are pregnant or breast-feeding.This medicine is not approved for use by anyone younger than 18 years old.Take tamsulosin exactly as it was prescribed for you. Tamsulosin is used to treat men who have symptoms of an enlarged prostate gland, which is also known as benign enlargement of the prostate (benign prostatic hyperplasia or BPH). Tamsulosin is used to improve urination in men with benign prostatic hyperplasia (enlarged prostate). Be careful if you drive or do anything that requires you to be alert. You may need a dose adjustment.Store at room temperature away from moisture and heat.Read all patient information, medication guides, and instruction sheets provided to you. The prostate gland is located below the bladder. Tamsulosin (Flomax) is an alpha-blocker that relaxes the muscles in the prostate and bladder neck, making it easier to urinate. Do not stop using tamsulosin before surgery unless your surgeon tells you to.Although this medicine is not for use in women, tamsulosin is not expected to harm an unborn baby. You may need a dose adjustment.Tamsulosin can affect your pupils during cataract surgery. All rights reserved. The empirical formula of tamsulosin HCl is C20H28N2O5S • HCl. This can cause problems in urinating, such as a need to urinate often, a weak stream when urinating, or a feeling of not being able to empty the bladder completely. Absorption of tamsulosin hydrochloride from FLOMAX capsules 0.4 mg is essentially complete (>90%) following oral administration under fasting conditions. All rights reserved. This product is available in the following dosage forms:Portions of this document last updated: June 01, 2020Copyright © 2020 IBM Watson Health. This may help increase the flow of urine or decrease the symptoms. Tell your doctor if you have a prolonged illness that causes diarrhea or vomiting.Your blood pressure will need to be checked often. This medicine is available only with your doctor's prescription. Tamsulosin hydrochloride exhibits linear kinetics following single and multiple dosing, with achievement of steady-state concentrations by the fifth day of once-a-day dosing. The prostate gland is located below the bladder. Effect Of Food Get up slowly and steady yourself to prevent a fall.Dizziness or severe drowsiness can cause falls, accidents, or severe injuries.To prevent dizziness, avoid standing for long periods of time or becoming overheated during exercise and in hot weather.Drinking alcohol can increase certain side effects of tamsulosin.Stop using this medicine and call your doctor at once if you have:penis erection that is painful or lasts 4 hours or longer; orsevere skin reaction - fever, sore throat, swelling in your face or tongue, burning in your eyes, skin pain, followed by a red or purple skin rash that spreads (especially in the face or upper body) and causes blistering and peeling.runny or stuffy nose, sinus pain, sore throat, cough;This is not a complete list of side effects and others may occur. However, tamsulosin will not shrink the prostate. Other drugs may interact with tamsulosin, including prescription and over-the-counter medicines, vitamins, and herbal products. Important information Benign enlargement of the prostate is a problem that can occur in men as they get older. Advertising revenue supports our not-for-profit mission.Check out these best-sellers and special offers on books and newsletters from Mayo Clinic. Avoid getting up too fast from a sitting or lying position, or you may feel dizzy.If you stop taking this medicine for any reason, call your doctor before you start taking it again. Avoid standing for long periods of time or becoming overheated during exercise and in hot weather. Follow all directions on your prescription label. Tell your eye surgeon ahead of time that you are using this medicine. Call your doctor if you have severe dizziness or feel like you might pass out.Some things can cause your blood pressure to get too low. Tamsulosin is not FDA approved for use in women or children. Tell your doctor about any unusual or bothersome side effect.

Information is for End User's use only and may not be sold, redistributed or otherwise used for commercial purposes.Mayo Clinic does not endorse companies or products. Tell your doctor about all medications you use.Follow all directions on your medicine label and package. Uses for tamsulosin Tamsulosin is used to treat men who have symptoms of an enlarged prostate gland, which is also known as benign enlargement of the prostate (benign prostatic hyperplasia or BPH). Do not take this medicine in larger or smaller amounts or for longer than recommended.Tamsulosin is usually taken once a day, approximately 30 minutes after a meal. This includes vomiting, diarrhea, heavy sweating, heart disease, dialysis, a low-salt diet, or taking diuretics (water pills).