Valerian is a medicinal herb used for centuries to treat insomnia, stress and anxiety. The root of this perennial plant is found in tea, pill, extract or tincture form. Manufacturers of valerian supplements claim that the mild sedative effects may reduce the amount of time it takes to fall asleep and allow for a more restful night's sleep. Additional research with regard to the medicinal uses of valerian is needed to either support or refute these claims. Consult a health care physician before beginning a new herbal regime.
Side Effects
Valerian is thought to be fairly safe with few side effects, according to the Mayo Clinic sleep specialist Dr. Timothy Morgenthaler. During clinical trials, headaches, dizziness and gastrointestinal distress were reported. Chronic long-term use may result in restlessness, sleeplessness or irregular heartbeat. Women who are pregnant or breastfeeding should consult a doctor before taking valerian. Research is lacking on the possible side effects of valerian in children. Children under 3 years of age should not take valerian supplements.
Allergic Reactions
Though uncommon, allergic reactions to valerian are possible. A person allergic to plants in the Valerianaceae family can have an allergic reaction to valerian. Stop taking valerian and seek medical attention if any of these effects occur: difficulty breathing; swelling of the lips, tongue or face; hives; or closing of the throat.
Drug Interactions
According to the National Institutes of Health, valerian may increase the effects of certain drugs and herbs. Do not take any of the following with valerian supplements: sleep aids; muscle relaxants; benzodiazepines, such as Valium; narcotics, such as codeine; antidepressants; or alcohol. Other herbal sleep sedatives like St. John's wort and chamomile may increase drowsiness and dizziness when taken with valerian.
Safety
The Food and Drug Administration does not regulate valerian supplements.
Consistency, purity and composition may vary between supplements, the Office of Dietary Supplements notes. All potential side effects and risks are unknown. A trained herbalist or physician should be consulted for safe dosing instructions.
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