People should not buy ED pills online unless they have a prescription from a doctor and are purchasing them from a reputable online pharmacy. The FDA does not regulate online ED products to check that they are safe.
The FDA states that it has found more than 300Trusted Source products claiming to enhance sexual performance that contained undisclosed ingredients. The active ingredients in these products included FDA-approved ED treatments, such as Viagra and Cialis.
This means that ED products available online could contain harmful substances or high amounts of drugs that consumers are not aware of. Taking high doses of PDE-5 inhibitors, such as vardenafil, can cause: