Forzest 20 mg is a prescription tablet whose active ingredient is tadalafil, belonging to the class of phosphodiesterase type‑5 (PDE5) inhibitors. It is primarily used to treat erectile dysfunction (ED) in men, helping to achieve and maintain an erection by relaxing blood vessels in the ***** and increasing blood flow when *****ly stimulated. 1mg +2 Practo +2 In addition to ED, Forzest 20 mg may also be prescribed for benign prostatic hyperplasia (BPH) — it relaxes the smooth muscles in the prostate and bladder, easing urinary symptoms. Practo +2 Zeelab Pharmacy +2 Moreover, it is sometimes used in pulmonary arterial hypertension (PAH), where it helps dilate blood vessels in the lungs to reduce pressure and improve blood flow. 1mg +2 Arrowmeds +2 The typical onset of action is around 30 to 60 minutes, and its effects may last up to 36 hours, giving it a “weekend pill” reputation. Practo +1 Forzest can be taken with or without food; however, large or fatty meals may delay its onset. Arrowmeds +1 Common side effects include headache, back pain, muscle aches, flushed face, nasal congestion, and indigestion. PharmEasy +1 More serious side effects — such as prolonged erection (priapism), vision or hearing changes — require immediate medical attention.