Paroxetine and Phenobarbital interaction

Paroxetine and Phenobarbital: the Paroxetine prescribing label describe an interaction that usually calls for monitoring, a dose change, or spacing the doses.

Moderate

Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.

What the FDA labels say

From the Paroxetine (BRISDELLE) label · effective 2025-04-28

Moderate

Table 3 Effects of Other Drugs on Paroxetine Concomitant Drug Name Effect of Concomitant Drug on Paroxetine Clinical Recommendations Phenobarbital Decreased paroxetine exposure Phenytoin Decreased paroxetine exposure Fosamprenavir/Ritonavir Decreased plasma concentration of paroxetine Monitor clinical effect of BRISDELLE.

Drug interactionsnames PhenobarbitalView label on DailyMed

Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.

Open in the checker

Not medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.