Tag: adverse drug reaction

Dechallenge and Rechallenge in Drug Side Effects: What These Tests Mean
Feb 2 2026 Charlie Hemphrey

Dechallenge and Rechallenge in Drug Side Effects: What These Tests Mean

Dechallenge and rechallenge are key clinical tools used to confirm if a drug caused a side effect. Stopping the drug (dechallenge) and, if safe, restarting it (rechallenge) provide the strongest evidence of causality in pharmacovigilance.

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When to Avoid a Medication Family After a Severe Drug Reaction
Jan 17 2026 Ryan Gregory

When to Avoid a Medication Family After a Severe Drug Reaction

Not every severe drug reaction means avoiding an entire medication family. Learn when cross-reactivity is real, when it’s not, and how to get tested to avoid unnecessary drug restrictions.

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When to Seek Medical Help for a Suspected Drug Interaction
Jan 14 2026 Charlie Hemphrey

When to Seek Medical Help for a Suspected Drug Interaction

Learn when to seek emergency care for drug interactions - from life-threatening symptoms like seizures and swelling to warning signs that need prompt medical attention. Know what to do before it's too late.

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