Tadalista CT 20 mg is a medication used to treat erectile dysfunction (ED). It contains tadalafil, which works by increasing blood flow to the penis to help achieve and maintain an erection. Unlike some other ED medications, Tadalista CT is a chewable tablet, which may offer more flexibility in timing and ease of use. It typically starts working within 30 minutes and can provide relief for up to 36 hours. Common side effects may include headaches, flushing, nasal congestion, and indigestion.