What harm may counterfeit erection drugs cause to the human body?

What harm may counterfeit erection,improving  erection and premature ejaculation  drugs cause to the human body?

Counterfeit erectile drugs may cause various hazards to the human body. These fake drugs often do not undergo strict quality control and safety assessment, so they may contain harmful ingredients to the human body. These harmful ingredients may stimulate the gastric mucosal tissue, leading to stomach discomfort symptoms such as loss of appetite, nausea, vomiting, etc; It may also stimulate intestinal mucosal tissue, causing abdominal discomfort such as bloating and diarrhea; It may also stimulate the nerve tissue in the head, causing discomfort such as dizziness and headache.