Patient Information Leaflet
Tamsulosin Viatris 0.4 mg Modified Release Hard Capsules 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 Viatris contains the active substance tamsulosin hydrochloride and belongs to a group of medicines called alpha-adrenergic blockers (alpha-1A receptor blockers). These medicines are used to reduce the tension of the muscles of the prostate and the urethra. This makes it easier to urinate.
Tamsulosin Viatris is used to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia or BPH).
Do not take Tamsulosin Viatris:
Warnings and precautions
Consult your doctor or pharmacist before taking Tamsulosin Viatris:
A condition called Intraoperative Floppy Iris Syndrome (IFIS) may occur (see section 4, "Possible side effects"). Please inform your ophthalmologist if you have previously taken, are taking or are going to take tamsulosin. The specialist will then be able to take the necessary precautions regarding medication and surgical techniques to be used. Consult your doctor if you should or should not postpone or temporarily discontinue taking this medicine if you are going to undergo such surgery due to cataracts or increased pressure in the eye (glaucoma).
During treatment
Talk to your doctor or pharmacist:
Your doctor should examine your prostate or urinary system before taking tamsulosin and regularly thereafter.
Children and adolescents
Do not give this medicine to children or adolescents under 18 years of age, as it does not work in this population.
Taking Tamsulosin Viatris with other medicines
Tell your doctor if you are taking, have recently taken or might take any other medicines.
Note that interactions may also occur with medicines used in the past or used after tamsulosin administration has ended.
Pregnancy, breastfeeding, and fertility
Tamsulosin is not indicated for use in women.
Tamsulosin may cause ejaculation disorders, including semen ejaculation into the urinary bladder (retrograde ejaculation) and inability to ejaculate (ejaculatory failure).
Driving and using machines
No studies have been conducted on the effects of tamsulosin on the ability to drive or use machines. However, patients should be aware that they may experience dizziness.
Tamsulosin Viatris contains sodium
This medicine contains less than 1 mmol of sodium (23 mg) per capsule; this is essentially "sodium-free".
Follow exactly the administration instructions of this medicine given by your doctor or pharmacist. Consult your doctor or pharmacist if you have any doubts.
The recommended dose is one capsule per day after breakfast or the first meal of the day.
The capsule should be swallowed whole.
Do not break or chew the capsule, as this may affect the way the medicine gets into your body.
If you take more Tamsulosin Viatris than you should
In case of overdose or accidental ingestion, consult your doctor, pharmacist, or call the Toxicological Information Service, phone 91 562 04 20, indicating the medicine and the amount ingested. It is recommended to bring the packaging and the leaflet of the medicine to the healthcare professional.
If you take more Tamsulosin Viatris than you should, you may experience symptoms of low blood pressure, such as dizziness, drowsiness, fainting, blurred vision, irregular heartbeat, confusion, or weakness. If you experience any of these symptoms, you should sit or lie down.
If you forget to take Tamsulosin Viatris
If you forget to take your daily capsule of tamsulosin after the first meal of the day, you can take it the same day after the meal. If you have missed the dose for a day, you can simply continue taking your daily capsule as prescribed.
Do not take a double dose to make up for forgotten doses.
If you have any other questions about the use of this medicine, ask your doctor or pharmacist.
Like all medicines, this medicine can cause side effects, although not everybody gets them.
Serious side effects:
If you get any of the following symptoms, stop taking this medicine and tell your doctor immediately or go to the nearest hospital:
Rare(may affect up to 1 in 1,000 people)
Very rare(may affect up to 1 in 10,000 people)
Frequency not known(cannot be estimated from the available data)
Other possible side effects:
Common(may affect up to 1 in 10 people)
Uncommon(may affect up to 1 in 100 people)
Rare(may affect up to 1 in 1,000 people)
Very rare(may affect up to 1 in 10,000 people)
Frequency not known(cannot be estimated from the available data)
In some cases, possible complications have been observed in relation to cataract or glaucoma surgery. During eye surgery, a condition called Intraoperative Floppy Iris Syndrome (IFIS) may occur: the pupil may not dilate properly 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, even if it is possible side effects not listed in this leaflet. You can also report side effects directly through the Spanish Medicines Vigilance 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.
Store in the original package.
Keep the package tightly closed.
Do not use this medicine after the expiry date which is stated on the packaging after CAD or EXP. The expiry date is the last day of the month shown.
Medicines should not be disposed of via wastewater or household waste. Return the packaging and any unused medicine to a pharmacy for disposal. Ask your pharmacist how to dispose of medicines no longer required. This will help protect the environment.
Composition of Tamsulosin Viatris
The capsule shell contains: gelatin, indigo carmine (E-132), titanium dioxide (E-171), yellow iron oxide (E-172), red iron oxide (E-172), and black iron oxide (E-172).
Appearance and packaging
Tamsulosin Viatris is presented in the form of hard capsules with an orange body and an olive green cap, containing white or off-white spheres.
It is available in blister packs of 10, 14, 20, 28, 30, 50, 56, 60, 90, 100, 200, and in multi-packs of 200, which include 2 packs of 100 modified-release capsules each, or in bottles containing 10, 14, 20, 28, 30, 50, 56, 60, 90, 100, or 200 modified-release capsules.
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 Limited t/a 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
Mylan Hungary Kft
H-2900 Komárom
Mylan út. 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:
Germany Tamsulosin-dura 0.4 mg Hartkapseln mit veränderter Wirkstofffreisetzung
Austria Tamsulosin Arcana retard 0.4 mg - Kapseln
Belgium Tamsulosine Mylan 0.4 mg capsules met gereguleerde afgifte, hard
Slovakia Tamsulosin HCI Mylan 0.4 mg
Spain Tamsulosina Viatris 0.4 mg cápsulas duras de liberación modificada EFG
Finland Tamsulogen 0.4 mg Säädellysti vapauttava kapseli, kova
Greece Tamsulosin/Mylan καψ?κιο ελεγχ?μενης αποδ?σμευσης, σκληρ? 0.4 mg/CAP
Ireland Tamsulosin 400 micrograms Modified-Release Capsules
Iceland Tamsulosin Mylan 0.4 mg hylki með breyttan losunarhraða, hörð
Italy Tamsulosin Mylan Generics
Norway Tamsulosin Mylan 0.4 mg kapsler med modifisert frisetting, harde
Netherlands Tamsulosine HCL Retard Mylan 0.4 mg, harde capsules met gereguleerde afgifte
Poland TAMSUGEN 0.4 mg kapsulki o zmodyfikowanym uwalnianiu, twarde
Portugal Tansulosina Mylan
Czech Republic Tamsulosin HCI Mylan 0.4 mg, tvrdé tobolky s rízeným uvolnováním
Date of last revision of this leaflet:November 2020
Detailed 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 0.4 mg MODIFIED-RELEASE HARD CAPSULES in October, 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.