Carbamazepine generics can cause dangerous drops in blood levels due to enzyme induction and formulation differences. Learn why switching brands risks seizures, how to prevent interactions, and what to ask your doctor.
Theophylline has a narrow therapeutic range, and common medications like cimetidine, fluvoxamine, and allopurinol can drastically reduce its clearance, leading to life-threatening toxicity. Learn which drugs are dangerous and how to stay safe.
Pharmacodynamic drug interactions occur when drugs affect each other's effects at the target site, not their levels in the blood. Learn how synergy, antagonism, and receptor competition can make meds work better-or cause life-threatening reactions.
Learn how CYP enzyme interactions raise methadone serum levels, increase QT risk, and how to monitor and manage these cardiac safety concerns effectively.