How does Valium influence the metabolism of caffeine, and what implications does this interaction have for patients using both substances?
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Valium (diazepam) can inhibit the enzyme CYP3A4, slowing caffeine’s metabolism, potentially intensifying and prolonging caffeine’s effects, increasing nervousness or insomnia in patients.
Valium (diazepam) inhibits the enzyme CYP3A4 and CYP2C19, slowing the breakdown of caffeine, which can prolong caffeine’s effects and increase its side effects.