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SILODOSIN VIATRIS 4 mg HARD CAPSULES

Ask a doctor about a prescription for SILODOSIN VIATRIS 4 mg HARD CAPSULES

This page is for general information. Consult a doctor for personal advice. Call emergency services if symptoms are severe.
About the medicine

How to use SILODOSIN VIATRIS 4 mg HARD CAPSULES

Introduction

Package Leaflet: Information for the Patient

Silodosin Viatris 4 mg Hard Capsules EFG

Read all of this leaflet carefully before you start taking this medicine because it contains important information for you.

  • Keep this leaflet, you may need to read it again.
  • If you have any further questions, ask your doctor or pharmacist.
  • This medicine has been prescribed for you only. Do not pass it on to others. It may harm them, even if their signs of illness are the same as yours.
  • If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet. See section 4.

Contents of the pack:

  1. What Silodosin Viatris is and what it is used for
  2. What you need to know before you take Silodosin Viatris
  3. How to take Silodosin Viatris
  4. Possible side effects
  5. Storage of Silodosin Viatris
  6. Contents of the pack and other information

1. What Silodosin Viatris is and what it is used for

What is silodosin

Silodosin belongs to a group of medicines called alpha-1A adrenergic receptor blockers.

Silodosin is selective for receptors located in the prostate, bladder, and urethra. By blocking these receptors, it causes relaxation of the smooth muscle of these tissues. This makes it easier for you to urinate and alleviates your symptoms.

What silodosin is used for

Silodosin is used in adult men to treat urinary symptoms associated with benign prostatic hyperplasia (BPH), such as:

  • difficulty starting urination,
  • feeling of not emptying the bladder completely,
  • need to urinate more frequently, even at night.

2. What you need to know before you take Silodosin Viatris

Do not take Silodosin Viatris

if you are allergic to silodosin or any of the other ingredients of this medicine (listed in section 6).

Warnings and precautions

Tell your doctor or pharmacist before you start taking Silodosin Viatris

  • If you are going to have eye surgery for cataracts, it is essential that you inform your ophthalmologist immediately that you are using or have used Silodosin Viatris. This is because some patients treated with this type of medicine have suffered a loss of muscle tone in the iris (the colored part of the eye) during this type of surgery. The ophthalmologist can then take appropriate precautions regarding the medical and surgical techniques to be used. Ask your doctor if it is necessary or not to postpone or temporarily interrupt treatment with Silodosin Viatris when you are going to undergo cataract surgery.
  • If you have ever fainted or felt dizzy when standing up, inform your doctor before taking Silodosin Viatris.

When taking Silodosin Viatris, dizziness and, occasionally, fainting may occur when standing up, especially when starting treatment or if you are taking other medicines that lower blood pressure. If this happens, sit or lie down immediately until the symptoms disappear and inform your doctor as soon as possible (see also the section "Driving and using machines").

  • If you have severe liver problems, you should not take Silodosin Viatris, as it has not been evaluated in this situation.
  • If you have kidney problems, ask your doctor for advice.

If your kidney problems are moderate, your doctor will start treatment with Silodosin Viatris with caution and possibly with a lower dose (see section 3 "Dosage").

If your kidney problems are severe, you should not take Silodosin Viatris.

  • Since benign prostatic hyperplasia and prostate cancer can cause the same symptoms, your doctor will examine you to rule out prostate cancer before starting treatment with Silodosin Viatris. Silodosin Viatris is not used to treat prostate cancer.
  • Treatment with Silodosin Viatris may lead to abnormal ejaculation (reduced amount of semen expelled during sexual intercourse), which may temporarily affect male fertility. This effect disappears after stopping treatment with Silodosin Viatris. Inform your doctor if you are planning to have children.

Children and adolescents

Do not give this medicine to children and adolescents under 18 years of age, as there are no relevant indications for this age group.

Other medicines and Silodosin Viatris

Tell your doctor or pharmacist if you are taking, have recently taken, or might take any other medicines.

Tell your doctor in particular if you are taking:

  • Medicines that lower blood pressure(especially alpha-1 blockers, such as prazosin or doxazosin), as there may be a possible risk of increased effect of these medicines during the use of Silodosin Viatris.
  • Antifungal medicines(such as ketoconazole or itraconazole), medicines used for HIV/AIDS infection(such as ritonavir), or medicines used after transplants to prevent organ rejection(such as cyclosporine), as these medicines may increase the blood levels of Silodosin Viatris.
  • Medicines used to treat erection problems(such as sildenafil or tadalafil), as their concomitant use with Silodosin Viatris may lead to a slight decrease in blood pressure.
  • Medicines for epilepsy or rifampicin(a medicine used to treat tuberculosis), as they may reduce the effect of Silodosin Viatris.

Pregnancy and fertility

Pregnancy

This is not applicable, as Silodosin Viatris is used to treat men with benign prostatic hyperplasia. Its use is not indicated in women.

Fertility

Silodosin Viatris may reduce the amount of semen, which may temporarily affect the ability to conceive a child.

Driving and using machines

Do not drive or operate machines if you feel faint, dizzy, or sleepy or have blurred vision.

Silodosin Viatris contains sodium.

This medicine contains less than 1 mmol of sodium (23 mg) per capsule: it is essentially "sodium-free".

3. How to take Silodosin Viatris

Follow exactly the instructions of your doctor or pharmacist. If you are unsure, ask your doctor or pharmacist again.

The recommended dose is one 8 mg silodosin capsule per day, taken orally.

Take the capsule always with food, preferably at the same time each day. Do not break or chew the capsule; swallow it whole, preferably with a glass of water.

Patient with kidney problems

If you have moderate kidney problems, your doctor may prescribe a different dose. For this purpose, the 4 mg silodosin capsule presentation is available.

If you take more silodosin than you should

In case of overdose or accidental ingestion, consult your doctor or pharmacist immediately or call the Toxicology Information Service, phone: 91 562 04 20, indicating the medicine and the amount taken. If you feel dizzy or weak, inform your doctor immediately.

If you forget to take silodosin

You can take the capsule later the same day if you forget to take it before. If it is almost time for the next dose, do not take the missed dose. Do not take a double dose to make up for the missed capsule.

If you stop taking silodosin

If you stop treatment, it is possible that your symptoms may return.

If you have any further questions on the use of this medicine, ask your doctor or pharmacist.

4. Possible side effects

Like all medicines, this medicine can cause side effects, although not everybody gets them.

Get in touch with your doctor immediately if you experience any of the following allergic reactions, as their consequences could be serious: swelling of the face or throat, difficulty breathing, feeling of fainting, itching of the skin, or hives.

The most common side effect is a reduction in the amount of semen expelled during sexual intercourse. This effect disappears after stopping treatment with silodosin. Inform your doctor if you are planning to have children.

Dizziness, including dizziness when standing up, and, occasionally, fainting may occur.

If you feel weak or dizzy, sit or lie down immediately until the symptoms disappear. If you experience dizziness when standing up or fainting, inform your doctor as soon as possible.

Silodosin may cause complications during cataract surgery (eye surgery for cataracts; see section "Warnings and precautions").

It is essential that you inform your ophthalmologist immediately if you are using or have previously used silodosin.

The possible side effects are listed below:

Very common side effects (may affect more than 1 in 10 people)

  • Abnormal ejaculation (a smaller or negligible amount of semen is expelled during sexual intercourse; see section "Warnings and precautions")

Common side effects (may affect up to 1 in 10 people)

  • Dizziness, including dizziness when standing up (see also above in this section)
  • Nasal congestion or obstruction
  • Diarrhea

Uncommon side effects (may affect up to 1 in 100 people)

  • Loss of sexual desire
  • Nausea
  • Dry mouth
  • Difficulty getting or maintaining an erection
  • Increased heart rate
  • Skin allergic reactions, such as rash, itching, hives, and drug-induced rash

Rare side effects (may affect up to 1 in 1,000 people)

  • Fast or irregular heartbeats (called palpitations)
  • Fainting/Loss of consciousness

Very rare side effects (may affect up to 1 in 10,000 people)

  • Other allergic reactions with swelling of the face or throat

Frequency not known (frequency cannot be estimated from the available data)

  • Flaccid pupil during cataract surgery (see also above in this section)

Tell your doctor if you notice that your sexual intercourse is affected.

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 Surveillance System for Human Use: https://www.notificaram.es. By reporting side effects, you can help provide more information on the safety of this medicine.

5. Storage of Silodosin Viatris

Keep this medicine out of the sight and reach of children.

Do not use this medicine after the expiry date which is stated on the carton and blister after "EXP". The expiry date refers to the last day of the month shown.

This medicine does not require any special storage temperature.

Keep the container in the outer carton to protect it from light.

Do not use this medicine if you notice that the packaging is damaged or shows signs of tampering.

Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how to dispose of medicines no longer required. These measures will help protect the environment.

6. Contents of the pack and other information

Composition of Silodosin Viatris

The active substance is silodosin. Each capsule contains 4 mg of silodosin.

The other ingredients are:

  • Contents of the capsule:mannitol (E421), pregelatinized starch (maize), sodium lauryl sulfate, dibehenate (E471).
  • Capsule shell:gelatin, titanium dioxide (E171), yellow iron oxide (E172).
  • Printing ink, black:shellac (E904), propylene glycol (E1520), ammonia solution, concentrated (E527), black iron oxide (E172), potassium hydroxide (E525).

Appearance of Silodosin Viatris and contents of the pack

Hard gelatin capsule, opaque, yellow, size 3, printed with a "4" in black ink.

Silodosin Viatris is available in packs of 10, 30, and 100 capsules.

Not all pack sizes may be marketed.

Marketing authorisation holder

Viatris Limited

Damastown Industrial Park

Mulhuddart, Dublin 15

Dublin

Ireland

Manufacturer

Rontis Hellas Medical and Pharmaceutical Products S.A.

P.O Box 3012 Larisa Industrial Area 41004

Larisa, Greece

You can ask for more information about this medicine from 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:

Spain:Silodosin 4 mg Viatris hard capsules EFG

France:Silodosine Mylan 4 mg capsule

Italy:Silodosina Mylan

Portugal:Silodosina Mylan

Slovak Republic:Silodosin Mylan 4 mg

Date of last revision of this leaflet:February 2019

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/

About the medicine

How much does SILODOSIN VIATRIS 4 mg HARD CAPSULES cost in Spain ( 2025)?

The average price of SILODOSIN VIATRIS 4 mg HARD CAPSULES in November, 2025 is around 7.85 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.

Alternatives to SILODOSIN VIATRIS 4 mg HARD CAPSULES in other countries

The best alternatives with the same active ingredient and therapeutic effect.

Alternative to SILODOSIN VIATRIS 4 mg HARD CAPSULES in Poland

Dosage form: Capsules, 8 mg
Active substance: silodosin
Importer: Pharmadox Healthcare Ltd.
Prescription required
Dosage form: Capsules, 4 mg
Active substance: silodosin
Importer: Pharmadox Healthcare Ltd.
Prescription required
Dosage form: Capsules, 8 mg
Active substance: silodosin
Importer: Krka, d.d., Novo mesto
Prescription required
Dosage form: Capsules, 4 mg
Active substance: silodosin
Importer: Krka, d.d., Novo mesto
Prescription required

Alternative to SILODOSIN VIATRIS 4 mg HARD CAPSULES in Ukraine

Dosage form: capsules, 4 mg, 30 capsules in a container
Active substance: silodosin
Manufacturer: Getero Labz Limited
Prescription required
Dosage form: capsules, 8 mg
Active substance: silodosin
Prescription required
Dosage form: capsules, 4 mg
Active substance: silodosin
Prescription required
Dosage form: capsules, 8 mg
Active substance: silodosin
Prescription required
Dosage form: capsules, 4 mg
Active substance: silodosin
Prescription required

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