Actilis 20 mg Tablet contains tadalafil, a medicine commonly prescribed for erectile dysfunction in adult men. It works by increasing blood flow to the penis during sexual stimulation, which can help achieve and maintain an erection. The medicine does not increase sexual desire and should be taken only as directed by a healthcare professional. Tadalafil can interact with nitrate medicines and may cause side effects such as headache, flushing, indigestion, or dizziness. Always check the strength, dosage, and suitability of Actilis 20 mg Tablet with a qualified healthcare professional before use.