Tadarise 20 mg is a red Tadalafil tablet used to treat erectile dysfunction. When men use these pills, their erections are longer and longer. You can take this medication with or without food. Do not chew or crush the tablet; instead, take it with water. Steer clear of alcohol and fatty meals when taking the 20 mg dosage of Tadarise. The half-life of Tadarise 20 mg drug is 36 hours.