Stendra 100 is a doctor-prescribed and FDA--approved medication used for the treatment of erectile dysfunction in adult men. It contains a dosage of 100mg of a generic drug called avanafil. It works better as it contains a perfect dosage for ED treatment and is the most recommended dosage at the start of the medication process. It can be increased to 200mg or can be decreased to 50mg depending upon your body’s reaction to the medicine. Consult a doctor for directions and dosage before practicing any type of medication.