Croton Seeds Drug Interactions, Uses, Safety & More

Croton seeds come from Croton tiglium, a small tree or shrub in the spurge family (Euphorbiaceae) that grows in parts of Asia, including India, China, and Southeast Asia. The seeds are pressed to make croton oil, a thick liquid that has been used for centuries in traditional medicine systems.

Historically, croton seeds and oil were used as a very powerful laxative (purgative) and were sometimes applied to the skin. Today, they are rarely used in modern medicine because they are considered too toxic and unpredictable. You are far more likely to encounter croton oil in laboratory research than in a safe consumer product.

People have traditionally used croton seeds for severe constipation, other digestive problems, and certain skin conditions. In traditional Chinese medicine, processed croton (often called ba dou) was used in tiny amounts as a strong purgative.

Despite this long history, there is no reliable modern clinical evidence showing that croton seeds are safe or effective for any health condition. The known risks of poisoning far outweigh any possible benefit, and safer treatments exist for constipation and other complaints. Because of this, croton is not recommended for general use.

Croton oil contains compounds called phorbol esters (such as those studied under the name TPA) and other irritant substances. These chemicals strongly irritate the lining of the gut, which is thought to cause the violent purging effect seen with traditional use.

In the laboratory, phorbol esters are well known for activating certain cell signals and for being powerful skin irritants and tumor promoters in research models. Most of what we know comes from laboratory and animal studies, not from controlled studies in people. These same properties are a major reason croton is considered dangerous.

Croton seeds and croton oil are highly toxic. Even small amounts can cause severe poisoning, and there are reports of serious injury and death from swallowing them. For this reason, the overall recommendation is to avoid using croton seeds.

Pregnant and breastfeeding people should not use croton at all. As a strong purgative and irritant, it could be harmful, and there is no safe established dose. Children, older adults, and anyone with digestive, kidney, or other health problems are at especially high risk.

Croton oil can also cause severe burns and blistering if it touches the skin or eyes. If you have any product that may contain croton, keep it away from children and check with a healthcare professional before doing anything with it.

Side effects can be severe and may include intense abdominal pain, violent diarrhea, vomiting, dehydration, and a burning feeling in the mouth and throat. On the skin, croton oil can cause redness, blistering, and painful burns.

Serious poisoning can lead to dangerously low fluid levels, collapse, organ damage, and in severe cases death. If someone swallows croton seeds or oil, treat it as a medical emergency and contact a poison control center or emergency services right away.

There is no safe, standardized dose of croton seeds or croton oil for self-care, and we will not suggest an amount. The difference between a traditional 'dose' and a poisonous amount is very small, which is part of why croton is considered so dangerous.

We do not recommend taking croton seeds. If you have a product containing croton or are curious about traditional remedies, please speak with a pharmacist or doctor before using anything, and never give it to children.