Seventy-somethings can take Avanafil under the supervision of a physician. Avanafil is a drug used to treat erectile dysfunction in men. Contraindications to the use of the drug include patients who are allergic to the product, patients who are taking nitrates, women and patients under 18 years of age. Therefore, elderly people aged 70 years and older can also be treated with the drug if they have indications. However, note that sexual activity can increase the risk of cardiovascular disease, the elderly is a high incidence of cardiovascular disease, for the elderly patients with cardiovascular disease need to pay attention to the use of medication, the specific use of medication should be carried out under the guidance of specialists, not unauthorized use of medication. Note that the drug is prohibited to be combined with ketoconazole, ritonavir and other potent CYP3A4 inhibitors. Common adverse reactions after use include headache, flushing, nasal congestion, nasopharyngitis, back pain and muscle pain.