Viagra is the trade name and generic name of Sildenafil Citrate, which is also effective for people over 70 years old, but the elderly belong to a special group of people and should be applied in strict accordance with medical advice. Sildenafil citrate is a drug used to help men treat erectile dysfunction, and its instructions state that it is contraindicated for people under the age of 18 and does not specify an upper age limit for taking it. Therefore, the drug is also effective when taken by people over the age of 70 when erectile dysfunction is present. However, since there may be some underlying diseases in people over 70 years old, it is important for people in this age group to consult a doctor first when taking sildenafil, so that the doctor can determine whether or not the drug can be used according to their specific conditions. And the use of the process must strictly follow the doctor’s instructions. Common adverse reactions to sildenafil citrate include headache, skin flushing, and indigestion. For elderly patients, the use of the drug metabolism is slow, the risk of adverse events increases, attention should be paid during the application, and when an adverse reaction occurs, you should immediately contact your doctor. It should also be noted that the drug is prohibited in combination with nitrates, it is contraindicated in women, people who are allergic to the product, people whose recent cardiovascular state does not allow them to have sex.