Viagra is the trade name, generic name is sildenafil citrate, 70-year-old people who take sildenafil citrate if there is erectile dysfunction and other conditions also have some effect, but sildenafil citrate there are contraindications and adverse reactions, you can not abuse the drug privately. Sildenafil citrate can be used as a medication to treat penile erectile dysfunction, and it can also be taken as a treatment for 70 year olds if they have erectile dysfunction in order to improve clinical symptoms. However, it should be noted that if there are contraindications to the drug, the drug should not be abused so as not to affect the health of the body. It is contraindicated for those who are allergic to the product; contraindicated for patients taking nitrate drugs; used with caution in patients with cardiovascular disease; used with caution in those with anatomical deformities of the penis; if you are taking other medications, you should consult with your physician before using the drug. Adverse reactions to the drug are commonly flushing, headache, nasal congestion, dyspepsia, etc.; rarely visual abnormalities and heart failure. Elderly people aged 70 should use the drug under the guidance of a professional physician or pharmacist to avoid private abuse of the drug to avoid danger.