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Two medication bottles with caution symbol showing drug interactions
Side Effects & Safety

Opill 28 Day Drug Interactions: What to Avoid and What to Tell Your Doctor

Opill can interact with seizure medications, antibiotics, herbal supplements, and more. Learn which drugs and supplements can reduce Opill's effectiveness in 2026.

By Peter Daggett·
Two medication bottles with caution warning symbol illustrating drug interactions
Side Effects & Safety

Outgro Pain Relief Drug Interactions: What to Avoid and What to Tell Your Doctor

Outgro Pain Relief has 55 known drug interactions — 2 major. Learn which medications to avoid with benzocaine topical and what to tell your doctor before using it.

By Peter Daggett·
Two medication bottles with drug interaction warning symbol
Side Effects & Safety

Oxtellar XR Drug Interactions: What to Avoid and What to Tell Your Doctor

Oxtellar XR interacts with other seizure drugs, birth control, and more. Learn which combinations to avoid and what your doctor needs to know before starting treatment.

By Peter Daggett·
Two medication bottles with caution symbol showing oxybutynin drug interactions
Side Effects & Safety

Oxybutynin Drug Interactions: What to Avoid and What to Tell Your Doctor

Oxybutynin interacts with many common medications. CYP3A4 inhibitors, other anticholinergics, and CNS depressants all have significant interactions. Here's what you need to tell your doctor.

By Peter Daggett·

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Two medication bottles with caution symbol showing paromomycin drug interactions
Side Effects & Safety

Paromomycin Drug Interactions: What to Avoid and What to Tell Your Doctor

Paromomycin interacts with loop diuretics, neuromuscular blockers, warfarin, and oral contraceptives. Here's what to tell your doctor before starting Humatin.

By Peter Daggett·
Two medication bottles with caution symbol illustrating Paxil drug interactions
Side Effects & Safety

Paxil Drug Interactions: What to Avoid and What to Tell Your Doctor

Paxil (paroxetine) has some of the most significant drug interactions of any SSRI. Learn which medications to avoid, what to tell your doctor, and how to take paroxetine safely.

By Peter Daggett·
Two medication bottles with caution symbol and connecting lines for drug interactions
Side Effects & Safety

Pegasys Drug Interactions: What to Avoid and What to Tell Your Doctor

Pegasys (Peginterferon Alfa-2a) has serious drug interactions including with HIV medications, blood thinners, and CYP1A2 substrates. Here's what to know in 2026.

By Peter Daggett·
Pentasa XR drug interactions warning
Side Effects & Safety

Pentasa XR Drug Interactions: What to Avoid and What to Tell Your Doctor

Pentasa XR (mesalamine) can interact with NSAIDs, azathioprine, PPIs, and other drugs. Learn which interactions are most important and what to tell your doctor.

By Peter Daggett·
Two medication bottles with connecting lines and caution symbol
Side Effects & Safety

Permethrin Drug Interactions: What to Avoid and What to Tell Your Doctor

Permethrin has no known drug interactions when used as directed topically. Here's what you still need to tell your doctor before using it.

By Peter Daggett·
Blog header illustration for Phenergan article
Side Effects & Safety

Phenergan Drug Interactions: What to Avoid and What to Tell Your Doctor

Phenergan (promethazine) has serious interactions with opioids, MAOIs, and CNS depressants. Learn what to avoid and what to tell your doctor in 2026.

By Peter Daggett·
Two medication bottles with caution drug interaction symbol
Side Effects & Safety

Phenoxybenzamine Drug Interactions: What to Avoid and What to Tell Your Doctor

Phenoxybenzamine interacts dangerously with epinephrine, sildenafil, and other medications. Here's what to tell your doctor and what to avoid during treatment.

By Peter Daggett·
Two medication bottles with caution symbol showing drug interactions
Side Effects & Safety

Pimecrolimus Drug Interactions: What to Avoid and What to Tell Your Doctor

What drugs interact with pimecrolimus (Elidel)? Learn about important interactions with CYP3A4 inhibitors, alcohol, immunosuppressants, and vaccines in 2026.

By Peter Daggett·
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