Occasionally take aphrodisiacs, there may be side effects, and some people do not experience side effects, the specific case of clinical individual differences are very large. If you have erectile dysfunction, you can choose to take drugs for erectile dysfunction, such as sildenafil and vardenafil. 1. There may be side effects: the drug has certain adverse reactions, some people will have vomiting, abdominal pain, nausea, increased heart rate, postural hypotension, as well as abdominal pain, allergic reactions, myocardial ischemia and so on. 2. No side effects: although the drug has certain adverse reactions, but not everyone will have adverse reactions after using the drug, some people do not have any uncomfortable feeling and side effects after using the drug. If it is recommended to go to the hospital for examination first, under the guidance of the doctor to use the drug, do not recommend their own abuse of drugs.