Usually, Avanafil does not delay time. Avanafil is a type 5 phosphodiesterase inhibitor that can be used to treat erectile dysfunction. The mechanism of ejaculation is under the regulation of peripheral and central nerves, after the erection of penile sexual arousal, the experience of ejaculation is stimulated during sexual intercourse accompanied by orgasm. Avanafil drug itself does not act on the ejaculatory center, therefore, there is no delaying effect. The use of this medication may cause adverse reactions such as headache, back pain, and indigestion. This drug is contraindicated in people who are allergic to any of the ingredients in this product, patients who are taking any form of nitrates, guanylate cyclase stimulators, women, children and other people. The drug is a prescription drug and should be used in strict accordance with the doctor’s instructions.