Penn Herb Wellness Guide
Longer-term use (over four weeks) or intake of amounts higher than those recommended can cause nausea, vomiting, insomnia, restlessness, vertigo, tremors, and seizures.8 Thujone-containing oil or alcoholic beverages (absinthe) made with the oil is strictly inadvisable—the oil is addictive and may cause brain damage, seizures, and even death.9 Short-term use (two to four weeks) of a wormwood tea or tincture has not resulted in any reports of significant side effects. One study found there were no side effects when using less than 1 ml tincture three times per day for as long as nine months to promote digestive function.10 Nevertheless, consult with a healthcare professional knowledgeable in herbal medicine before taking wormwood. Wormwood is not recommended during pregnancy and breast-feeding.11
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The information presented by TraceGains is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. Self-treatment is not recommended for life-threatening conditions that require medical treatment under a doctor's care. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires December 2021.