MajorOther antidepressants (NDRI)×Methylxanthine
Updated · Methodology
Mechanism
Theophylline at toxic doses causes seizures by itself. Bupropion lowers the seizure threshold. High risk even at therapeutic theophylline concentrations.
Symptoms
Seizures (generalised tonic-clonic or focal), agitation, tremor, insomnia. Patients with prior epilepsy or eating disorders are at particular risk.
Management
Avoid the combination, especially in COPD or asthma patients. Alternative antidepressants: sertraline or escitalopram. Alternative bronchodilators: inhaled β2-agonists with anticholinergics.
Check the full regimen, not just this pair
Opens the checker with these two drugs prefilled. Add the rest of the regimen and recompute additive risks.
Summary of a multi-drug list →
Medicine list: everything you take in one place →
Sources
- FDA: Theo-24 (theophylline) prescribing information (2012)– ; DailyMed setid 7a108fa0-c230-475f-be93-6f864b98a410