Safety and efficacy of herbal medicine

Although herbs are often perceived as "natural" and therefore safe, many different side effects have been reported owing to active ingredients, contaminants, or interactions with drugs. Results: Unfortunately, there is limited scientific evidence to establish the safety and efficacy of most herbal products.

What is the safety of herbal medicine?

Although herbs are natural, they are not always safe. Taking the wrong dose or wrong combination or using the wrong part of the plant may cause side effects or be poisonous (toxic). Also, herbs used with chemotherapy, radiation therapy and hormone therapy can cause harmful interactions.

How effective is herbal medicine?

Used correctly, herbs can help treat a variety of conditions, and in some cases, may have fewer side effects than some conventional medications. Never assume that because herbs are "natural," they are safe. Some herbs may be inappropriate for people with certain medical conditions.

What is the effectiveness of traditional medicine?

Contrary to those beliefs, however, traditional medicine has proven to be quite effective in treating both chronic diseases and psychological problems, especially those associated with stress, which frequently stem from social alienation, anxiety or loss of self-esteem.

Are herbal substances are assessed for efficacy?

Herbal substances/preparations are complex mixtures of constituents and any assessment of safety and/or efficacy must rely on an adequate pharmaceutical documentation. Additional and even more difficult challenges exist in the assessment of clinical safety and efficacy.