Ginseng is a stimulant, therefore take extra care if you eat or drink caffeine products, pseudoephedrine or any other stimulants. Ginseng should only be taken after receiving the correct advice from a licensed health care professional or herbalist to ensure you are aware of the ginseng side effects. This is particularly important if you are pregnant, suffer from insomnia, heart disorders, hay fever, femphysema, high blood pressure, ibrocystic breasts, blood-clotting problems, asthma, hypoglycemia or diabetes. Ginseng should be avoided by people who are on oral anticoagulant and/or anti platelet therapy as the side effects increase the warfarin effects by heterogeneous methods, therefore there may be possible interactions when taking warfarin medication. Ginseng taken with amlodipine may make a person suffer from a harmful reaction.

If someone is taking phenelzine sulfat and then takes ginseng they may suffer from mania, headaches and feeling unsteady. Ginseng side effects can occur if it is taken along with corticosteroids or estrogens, as it may lead to experiencing additive effects. There are some claims, although no evidence, claiming ginseng may make seizures worse if you already experience them. People with diabetes mellitus should not take ginseng as blood glucose levels may be affected. Other ginseng side effects are the analgesic effect of opiods may be reduced and ginseng also may hinder digoxin pharamcodynamically or digoxin monitoring.