If you are currently being treated with any of the following medications, you should not use turmeric or curcumin in medicinal forms without first talking to your health care provider.
Antiplatelet and anticoagulant drugs (blood-thinners) -- Stinging nettle may affect the blood's ability to clot, and could interfere with any blood-thinning drugs you are taking, including:
Drugs that reduce stomach acid -- Turmeric may interfere with the action of these drugs, increasing the production of stomach acid:
Drugs for diabetes (that lower blood sugar) -- Turmeric may increase the effects of these drugs, increasing the risk of hypoglycemia (low blood sugar).
Curcuma longa; Turmeric