The Avanafil 100mg Tablet is used to treat erectile dysfunction also known as impotence, in men. A man may experience erectile dysfunction if he is unable to obtain or maintain an adequate keep erection for intended activities. Avana 100mg tablet treats frequent premature ejaculation and erectile dysfunction in males by relaxing the smooth muscles in the blood vessel walls, thereby increasing the flow of blood to the genitals. The second use of the medication is for the management of pulmonary arterial hypertension (PAH). By reducing blood pressure in the arteries that carry blood to the organs, it addresses the ailment. 

Take this medication by mouth with or without food as directed by your doctor, usually as needed. There are three different dosages of avanafil: 50 mg, 100 mg, and 200 mg. The dosage is based on your medical condition, response to treatment, and other medications you may be taking.

The benefits of the 100mg tablet normally begin to take action 15 minutes after you take it, and they can last for up to 4–5 hours. Avanafil 100mg has a slight chance of producing side effects such as headaches, nasal congestion, and back pain.