Ginseng tea improves the overall health of the user, strengthens the immune system and fights off stress and disease, states WebMD. Depending on the type, ginseng tea may also clear thinking; treat male erectile dysfunction; treat diabetes; prevent colds and flu; and ease the severity of herpes simplex virus type 2 infections.
Ginseng tea is an herbal supplement and therefore not reviewed by the Food and Drug Administration for safety and effectiveness, explains WebMD. Thus, a user should consult with his doctor before taking the tea, and then use it as directed to avoid interactions with other medication. Different types of ginseng have different effects. Ginseng tea is also not for long-term use as doctors recommend a maximum period of three months for Asian ginseng, one month for America ginseng and two months for Siberian ginseng.
Side effects of drinking ginseng tea include dizziness, headaches, trouble sleeping, an upset stomach and unusual vaginal bleeding, according to WebMD. The tea may also cause an increase or decrease in blood pressure and is not recommended for use in children, during pregnancy and while breastfeeding because it may cause harm. On rare occasions, the tea causes a fast, irregular or pounding heartbeat, which is a serious side effect and requires immediate medical attention.