Tadarise 40 is a drug that is used to treat erectile dysfunction. This medicine works by stimulating blood flow to the penis and causing an erection. It contains the active ingredient Tadalafil which is a PDE-5 inhibitor medication. It increases the blood flow to the penis by relaxing the muscles in the penile blood vessels. It is a prescription-only medicine, so it should be taken only under the supervision of a doctor. You should not take it if you have liver or kidney disease, high blood pressure, diabetes, or a history of heart attacks. You should not drink alcohol while using this medication, as it can cause harmful side effects.