Wormwood
Artemisia absinthium, A. annua ve diğerleriNobel laureate Tu Youyou found artemisinin by following a recipe in a 4th-century Chinese medical text: soak the plant in cold water instead of boiling it.

What is Wormwood?
Wormwood (Artemisia absinthium) is a plant of the Asteraceae family. Traditions that use it: Anatolia and the Mediterranean, Asia and Siberia. Part used: leaves, flowering tops.
What is Wormwood used for?
Traditional use: Known for its bitterness; brewed to stimulate appetite, for the stomach and to expel worms. Scientific evidence: limited. Artemisinin, extracted from sweet wormwood (A.
Is Wormwood safe?
Safety label: caution. Wormwood contains thujone; high doses or long use can cause seizures and kidney damage. Avoid in pregnancy and epilepsy. Wormwood tea is no substitute for malaria treatment.
Traditional use
Known for its bitterness; brewed to stimulate appetite, for the stomach and to expel worms. Steppe wormwood is burned as incense.
Mongol and Siberian peoples use Artemisia smoke for cleansing. In Chinese medicine, dried Artemisia (moxa) is burned on the skin to give heat.
In nature
Mix-up risk
Many Artemisia species grow in Türkiye, and their thujone levels differ widely.
Preparation
Brewed in very small amounts; burned as incense.
What science says
Artemisinin, extracted from sweet wormwood (A. annua), is now the backbone of malaria treatment; the discovery won the 2015 Nobel Prize in Medicine. The EMA recognises wormwood for lack of appetite and indigestion as traditional uses.
Safety
Wormwood contains thujone; high doses or long use can cause seizures and kidney damage. Avoid in pregnancy and epilepsy. Wormwood tea is no substitute for malaria treatment.
Drug interactions
| Medicine or substance | Why it matters |
|---|---|
| Seizure medicines | Thujone lowers the seizure threshold. |
| Stomach acid reducers | Bitter compounds increase stomach acid and may weaken the effect. |
| Malaria medicines | Wormwood tea is no substitute; delaying treatment is dangerous. |
This list is not complete. If you take regular medication, ask your pharmacist or doctor before trying Wormwood.
Culture bridge
Two traditions that beat malaria. The Andes’ cinchona bark and Asia’s wormwood became the two cornerstones of modern malaria treatment. Read the comparison →
Similar plants
Sources
- EMA monographAbsinthii herba: European Medicines Agency herbal assessment
- NCCIHUS National Center for Complementary and Integrative Health: use and safety summary
- Official sourceNobel Fizyoloji veya Tıp Ödülü 2015 (Tu Youyou, artemisinin)
- BookBaytop T. Türkiye’de Bitkiler ile Tedavi: Geçmişte ve Bugün. 2. baskı. İstanbul: Nobel Tıp Kitabevleri; 1999.
- Botanical recordKew Plants of the World Online: Artemisia absinthium
- Titles of research sources are summarised in Turkish on the Turkish page; links open the original English publications.
Written by Edanaz Tınmazlar · Last reviewed: · Türkçe


