


Package Leaflet: Information for the User
Tamsulosin Viatris Pharmaceuticals 0.4 mg prolonged-release tablets EFG
Tamsulosin hydrochloride
Read all of this leaflet carefully before you start taking this medicine because it contains important information for you.
Contents of the pack
Tamsulosin relaxes the muscles in the prostate and urinary tract. By relaxing the muscles, tamsulosin allows urine to flow more easily and facilitates urination. It also reduces the feeling of urgency.
Tamsulosin is used in men to relieve urinary symptoms caused by an enlarged prostate (benign prostatic hyperplasia). These symptoms may include difficulty urinating (weak stream), dripping, urgency, and frequent need to urinate both at night and during the day.
Do not take Tamsulosin Viatris Pharmaceuticals:
Warnings and precautions
Consult your doctor before taking Tamsulosin Viatris Pharmaceuticals:
Regular medical examinations are necessary to monitor the development of the disease for which you are being treated.
You may notice remains of tablets in your stool. Since the active ingredient of the tablet has already been released, there is no risk that the tablet will be less effective.
Children and adolescents
Do not give this medicine to children or adolescents under 18 years of age because it does not work in this population.
Taking Tamsulosin Viatris Pharmaceuticals with other medicines
Tell your doctor or pharmacist if you are taking, have recently taken, or might take any other medicines. Other medicines may be affected by tamsulosin. These medicines, in turn, may affect the proper functioning of tamsulosin. Tamsulosin may interact with:
It is especially important to inform your doctor if you are being treated at the same time with medicines that may decrease the elimination of tamsulosin from your body (e.g., ketoconazole, erythromycin).
Tamsulosin Viatris Pharmaceuticals with food and drinks
Tamsulosin can be taken independently of meals.
Pregnancy, breastfeeding, and fertility
Tamsulosin is not indicated for use in women.
In men, abnormal ejaculation (ejaculation disorder) has been reported. This means that semen does not come out through the urethra but enters the bladder (retrograde ejaculation), or the volume of ejaculation is reduced or absent (ejaculation failure). This phenomenon is not harmful.
Driving and using machines
There is no evidence that tamsulosin affects the ability to drive and use machines. You should be aware that tamsulosin may cause dizziness and fainting. Only drive or operate machines if you feel well.
Follow exactly the administration instructions of this medicine indicated by your doctor. In case of doubt, consult your doctor or pharmacist again.
The recommended doseis 1 tablet per day. You can take tamsulosin with or without food, preferably at the same time every day.
The tablet must be swallowed whole. It is important that you do not break or chew the tabletas this may affect the proper functioning of tamsulosin.
Tamsulosin is not indicated in children.
If you take more Tamsulosin Viatris Pharmaceuticals than you should
In case of overdose or accidental ingestion, consult your doctor or pharmacist or call the Toxicology Information Service, phone 91 562 04 20, indicating the medicine and the amount ingested.
If you take more tamsulosin than you should, your blood pressure may drop suddenly. You may experience dizziness, weakness, vomiting, diarrhea, and fainting. Lie down to minimize the effects of low blood pressure and consult your doctor.
If you forget to take Tamsulosin Viatris Pharmaceuticals
If you have forgotten to take Tamsulosin Viatris Pharmaceuticals as recommended, you can take your daily dose later that day. If you have missed a dose for one day, take the next dose at the usual time. Do not take a double dose to make up for forgotten doses.
If you stop taking Tamsulosin Viatris Pharmaceuticals
When treatment with tamsulosin is abandoned prematurely, your original symptoms may return. Therefore, take Tamsulosin Viatris Pharmaceuticals for the entire time your doctor prescribes it, even if your symptoms have disappeared. Always consult your doctor if you decide to stop treatment.
If you have any further questions on the use of this medicine, ask your doctor or pharmacist.
Like all medicines, this medicine can cause side effects, although not everybody gets them.
It is rare for serious side effects to occur. Contact your doctor immediatelyif you experience a severe allergic reaction that causes swelling of the face or throat(angioedema).
Common(may affect up to 1 in 10 patients):
Uncommon(may affect up to 1 in 100 patients):
Headache; palpitations; low blood pressure when standing up, which causes dizziness or fainting (orthostatic hypotension); nasal congestion and irritation (rhinitis); constipation; diarrhea; nausea; vomiting; rash; hives (urticaria); feeling of weakness (asthenia); itching (pruritus).
Rare(may affect up to 1 in 1,000 patients):
Very rare(may affect up to 1 in 10,000 patients):
Frequency not known(cannot be estimated from the available data):
During eye surgery, a condition called Intraoperative Floppy Iris Syndrome (IFIS) may occur: the pupil may dilate poorly and the iris (the colored part of the eye) may become floppy during surgery. For more information, see section 2, Warnings and precautions.
Reporting of side effects:
If you experience any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet. You can also report side effects directly through the Spanish Medicines Monitoring System for Human Use: https://www.notificaram.es/. By reporting side effects, you can help provide more information on the safety of this medicine.
Keep this medicine out of the sight and reach of children.
Do not use Tamsulosin Viatris Pharmaceuticals after the expiry date which is stated on the carton after “EXP”. The first two digits indicate the month and the last four digits indicate the year. The expiry date is the last day of the month indicated.
Store the blisters in the original packaging to protect them from light.
Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how to dispose of medicines no longer required. This will help protect the environment.
Composition of Tamsulosin Viatris Pharmaceuticals
Appearance of the product and packaging
Tamsulosin Viatris Pharmaceuticals is presented in the form of round, white, prolonged-release tablets with the inscription “T9SL” on one side and “0.4” on the other.
They are available in packs of 10, 18, 20, 28, 30, 50, 60, 90, 98, or 100 prolonged-release tablets.
Not all pack sizes may be marketed.
Marketing authorisation holder and manufacturer
Marketing authorisation holder
Viatris Limited
Damastown Industrial Park
Mulhuddart, Dublin 15
Dublin
Ireland
Manufacturer
McDermott Laboratories trading as Gerard Laboratories
35/36 Baldoyle Industrial Estate
Grange Road, Dublin 13
Ireland
Or
Synthon Hispania, S.L.
Castelló, 1
Polígono Las Salinas
08830 Sant Boi de Llobregat
Spain
Or
Synthon BV
Microweg 22
6545 CM Nijmegen
Netherlands
Or
Mylan Hungary Kft.
H-2900, Komárom
Mylan utca 1
Hungary
You can request more information about this medicine by contacting the local representative of the marketing authorisation holder:
Viatris Pharmaceuticals, S.L.U.
C/ General Aranaz, 86
28027 - Madrid
Spain
This medicine is authorised in the Member States of the European Economic Area under the following names:
Netherlands Tamsulosine HCl Retard Mylan 0.4 mg, tabletten met verlengde afgifte
France TAMSULOSINE Mylan LP 0.4 mg, comprimé à libération prolongée
Poland Omnitamgen
Spain Tamsulosina Viatris Pharmaceuticals 0.4 mg comprimidos de liberación prolongada EFG
Date of last revision of this leaflet:January 2014
Detailed and updated information on this medicine is available on the website of the Spanish Agency for Medicines and Health Products (AEMPS) https://www.aemps.gob.es/
The average price of TAMSULOSIN VIATRIS PHARMACEUTICALS 0.4 mg PROLONGED-RELEASE TABLETS in November, 2025 is around 10.96 EUR. Prices may vary depending on the region, pharmacy, and whether a prescription is required. Always check with a local pharmacy or online source for the most accurate information.
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