If you are currently being treated with any of the following medications, you should not use ginger without first talking to your healthcare provider.

Blood-thinning medications
Although ginger may interfere with blood clotting, there have been no scientific or case reports of interactions between ginger and blood-thinning medications. However, people taking these medications with ginger should be monitored closely by a healthcare practitioner for risk of bleeding.

Cyclophosphamide
Ginger may reduce the toxic side effects of cyclophosphamide (a medication used to treat a variety of cancers). More research is needed in this area.