IGNOU MST 19 2026 - What is herbal-drug interaction? Give example.

Question

What is herbal-drug interaction? Give example.

10 May 2026

Answer :

Word Count : 221

Herbal-drug interaction refers to the alteration in the pharmacological or clinical response of a conventional drug when it is taken together with herbal products or dietary supplements. These interactions can result in reduced therapeutic efficacy, increased toxicity, or unexpected adverse effects. They may occur due to pharmacokinetic mechanisms such as changes in absorption, distribution, metabolism, or excretion of the drug, or pharmacodynamic mechanisms where herbs and drugs have additive, synergistic, or antagonistic effects on the same physiological system. A common mechanism is

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