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🏠›Phenobarbital›Interaction with Levonorgestrel

Phenobarbital + Levonorgestrel

Drug interaction

Major interaction

A major drug-drug interaction between Phenobarbital and Levonorgestrel is recorded in public interaction data. Severity reflects the source classification; it does not describe your individual risk. Do not start, stop, or change either medicine based on this page.

What “major” means

A major interaction can cause a clinically significant - sometimes serious - effect. Prescribers usually avoid this combination, or use it only with close monitoring and dose adjustments.

What to do

Do not combine these on your own. If both have been prescribed, tell your pharmacist or doctor so they can confirm it is intended and watch for problems.

The two medicines

Active ingredient

Phenobarbital

Barbiturates and Derivatives

Uses, side effects, dosage →· 643 recorded interactions

Active ingredient

Levonorgestrel

Progestogens

Uses, side effects, dosage →· 297 recorded interactions

Source

DDInter 2.0 (CC-BY 4.0, https://ddinter.scbdd.com)

This is not medical advice. Drugvu is an independent aggregator of public records.

Phenobarbital and Levonorgestrel: Major Interaction - Drugvu