Forzest 20

Tablet · Sun Pharma Industries
PRESCRIPTION MEDICINE

Forzest 20 is a tablet made by Sun Pharma Industries that contains Tadalafil 20 mg. Tadalafil is a pde-5 inhibitor: treats erectile dysfunction and, in daily low doses, an enlarged prostate.

Ingredient (salt)Amount
Tadalafil20 mg

What it is used for

Treats erectile dysfunction and, in daily low doses, an enlarged prostate.

How it works

A long-acting PDE-5 inhibitor (up to 36 hours) for erectile dysfunction and prostate symptoms.

How to take it

Either 10 to 20 mg before sex, or 2.5 to 5 mg daily. Not more than once a day.

Common side effects

  • Headache
  • Back or muscle pain
  • Flushing
  • Indigestion

Get medical help straight away if

  • Erection over 4 hours
  • Sudden vision or hearing loss
  • Chest pain

Be careful

Never take with nitrate heart medicines (dangerous drop in BP).

Other medicines and interactions

Never with nitrates or riociguat. Caution with alpha blockers and alcohol. Ritonavir, ketoconazole and clarithromycin raise levels.

Pregnancy and breastfeeding

Not relevant for erectile use.

Same composition, other brands (11)

Tadacip 20Cialis 20Megalis 20Tadact 20Tada 20Upwardz 20Tadovas 20Edalis 20Filda 20Tazzle 20Edgon 20

Ask your doctor or pharmacist before switching brands.

Common questions

What is Forzest 20?

Forzest 20 is a tablet by Sun Pharma Industries containing Tadalafil 20 mg.

What is Forzest 20 used for?

Treats erectile dysfunction and, in daily low doses, an enlarged prostate.

How should I take Forzest 20?

Either 10 to 20 mg before sex, or 2.5 to 5 mg daily. Not more than once a day. Always follow the dose your doctor or the pack gives.

What are the side effects of Forzest 20?

Common side effects include: Headache, back or muscle pain, flushing, indigestion. Get medical help straight away for: Erection over 4 hours, sudden vision or hearing loss, chest pain.

Does Forzest 20 need a prescription?

Yes. In India it is a prescription (Schedule H) medicine, so a pharmacist should sell it only with a doctor's prescription.

Can I take Forzest 20 in pregnancy or while breastfeeding?

Not relevant for erectile use.

What are the substitutes for Forzest 20?

Brands with the same composition: Tadacip 20, Cialis 20, Megalis 20, Tadact 20, Tada 20, Upwardz 20, Tadovas 20, Edalis 20, Filda 20, Tazzle 20, Edgon 20. Ask your doctor or pharmacist before switching.

Sources and further reading

NHS (UK National Health Service) and MedlinePlus (US National Library of Medicine) are free, reviewed medicine guides. Brand names and doses there may differ from India.

Composition checked against pack details from large Indian online pharmacies. Last reviewed 31 October 2026. Written by Satya Babu.

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For information only, not medical advice. This page is a plain-language summary written from standard prescribing information and the public guides linked below. Brands sometimes change their formula, so always check the composition printed on the pack. Doses here are typical adult doses; yours may differ. Do not start, stop or change a medicine without your doctor or pharmacist, and keep all medicines away from children. In an emergency, call 112 (India) or your local emergency number.