Anyone who hasn’t seen a doctor determines if the medicine is safe for them and should not use the medicine. Specialists know the different categories of people who shouldn’t administer the remedy. Some of those people include those who are allergic to Sildenafil. Other groups are:
Diabetic patients
People in treatment for HIV
Anyone taking organ donor medication
Low blood pressure patients
Men with bent penis
Pregnant women
Breastfeeding mothers
Children
This list is not exhaustive, do not use it as the main reason to believe you can use the drug. If you have ED, start by seeing a physician before you take any medication.