The more common side effects of Coenzyme Q10 are mainly gastrointestinal adverse reactions, such as diarrhea, stomach bloating, nausea, vomiting, etc. Skin conditions such as itching and rashes may also occur. If the patient also suffers from diabetes, he or she needs to strictly monitor the blood glucose situation while taking the drug. Coenzyme Q10 has a slight hypoglycemic effect, although it is not recommended for women during pregnancy and lactation, as well as for children, and patients with impaired liver function and severely impaired kidney function need to use the drug with caution. It is recommended that patients go to the hospital when they are uncomfortable, and find out the appropriate way to take it according to the results of the examination and in conjunction with their condition.