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Discover Supplement-Drug Interactions

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Last Updated: 2 years ago

Possible Interaction: Cysteine and Penicillins

supplement:

Cysteine

Research Papers that Mention the Interaction

L-Cysteine antagonizes the activity of penicillins against C. difficile, most likely by direct inactivation of the antibiotic.
Antimicrobial Agents and Chemotherapy  •  1985  |  View Paper
It reviews the physicochemical properties and the degradation reactions in relation to the structure of penicillins and describes the reaction of cysteine and related compounds with penicillins , resulting in a loss of antibacterial activity.
Advances in applied microbiology  •  1974  |  View Paper