Drug Interactions

This Web site is not intended as a substitute for medical professional help or advice but is to be used only as an aid in understanding current medical knowledge. A physician should always be consulted for any health problem or medical condition.

Turmeric Drug Interactions

Their can be other drugs that have interaction with turmeric that may not listed on this page, A physician should always be consulted for any health problem or medical condition.

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Do Not Take If:

  • You have bile duct obstruction, gallstones, predisposition to kidney stones, or gastrointestinal disorders such as stomach ulcers and hyperacidity disorders.
  • You are taking reserpine: Turmeric may lessen its effects.
  • You are taking indomethacin: Turmeric may lessen its effects.
  • You are taking warfarin or other blood thinners: Turmeric may increase your risk of bleeding.
  • You are taking chemotherapy drugs such as camptothecin, mechlorethamine, doxorubicin, or cyclophosphamide: Turmeric inhibits the action of these drugs against breast cancer cells in lab experiments.
  • You are taking norfloxacin: Curcumin makes this stay in the blood for a longer time, thereby reducing the need for taking higher amounts of the drug.
  • You are taking drugs metabolized by CYP3A4 enzyme: Curcumin inhibits cytochrome 3A4 enzyme, altering the metabolism of certain prescription drugs.
  • You are taking drugs metabolized by CYP1A2 enzyme: Curcumin inhibits cytochrome 1A2 enzyme, altering the metabolism of certain prescription drugs.
  • You are taking drugs metabolized by CYP2A6 enzyme: Curcumin enhances cytochrome 2A6 enzyme, altering the metabolism of certain prescription drugs.
  • You are taking drugs transported by P-Glycoprotein: Curcumin affects intestinal P-glycoprotein levels and function, thereby increasing the concentrations of prescription drugs such as celiprolol, midazolam and verapamil.
  • You are undergoing certain laboratory tests that use dyes: Curcumin may interfere with some laboratory tests due to its strong absorptive and fluorescent properties.
  • You are taking tacrolimus: Curumin supplements increase the plasma level of tacrolimus and may increase the side effects.

Also Note

  • Laboratory findings indicate that dietary turmeric may inhibit the anti-tumor action of chemotherapeutic agents such as cyclophosphamide
  • Curcumin may also interact with drugs that are substrates of P-glycoprotein (P-gp)  or cytochrome P450 enzymes.
  • Patients with gastrointestinal disorders or predisposed to kidney stone formation. should also use this supplement with caution.