Early Warning Signs of Dangerous Medication Side Effects: What to Watch For
Learn the early warning signs of dangerous medication side effects - from sudden breathing trouble to slow-burning organ damage - and what to do before it's too late. Know when to call 911 and when to call your doctor.
Delayed Medication Side Effects: Recognizing Late-Onset Adverse Reactions
Delayed medication side effects can appear weeks, months, or even years after starting a drug-often when you least expect it. Learn which medications carry hidden risks and how to spot dangerous late-onset reactions before they become life-threatening.
Dechallenge and Rechallenge in Drug Side Effects: What These Tests Mean
Dechallenge and rechallenge are clinical methods used to confirm if a drug is causing side effects. Stopping the drug (dechallenge) and restarting it (rechallenge) provide the strongest evidence of causality in pharmacovigilance.