Turmeric Side Effects
Turmeric has not been extensively studied for medicinal use, so it is unclear what potential side effects this substance may cause. Some clinical studies have shown that possible side effects of turmeric may include nausea and diarrhea. When applied to the skin, turmeric may cause irritation and allergic reactions. Although turmeric seems unlikely to cause any serious side effects, there may be an increased risk of bleeding.
Does Turmeric Cause Side Effects?
Even though it is a "natural" product, turmeric may cause side effects. But, turmeric has not been extensively studied for medicinal use, so it is difficult to say what side effects might occur.
Small studies do seem to suggest that most people tolerate turmeric well, experiencing little or no side effects. In these studies, turmeric side effects included nausea and diarrhea. When applied to the skin, turmeric can cause irritation and allergic reactions.
(This article covers many, but not all, of the possible side effects with turmeric. Your healthcare provider can discuss a more complete list of side effects with you.)
Serious Side Effects With Turmeric
In general, turmeric seems unlikely to cause serious side effects. However, turmeric studies have been too small to fully evaluate the possible serious side effects of turmeric, especially rare side effects. Theoretically, turmeric could increase the risk of bleeding (although this has not been reported as a possible side effect).
Be sure to let your healthcare provider know if you develop any signs of bleeding, such as:
- Black, tarry stools, bright red blood in the stool, or vomiting of blood (signs of gastrointestinal bleeding)
- Easy bruising or cuts that are slow to stop bleeding
- Signs of a hemorrhagic stroke (bleeding in the brain), such as vision or speech changes, weakness or numbness in an arm or leg, or a severe headache.
In animal studies, high doses of turmeric have caused liver problems. However, this has not been reported as a problem in humans. There is also some concern that turmeric could make preexisting gallbladder problems worse.