Aminophylline and Caffeine interaction

Aminophylline and Caffeine: the Aminophylline prescribing label mentions this combination without an instruction to avoid it or change the dose.

Minor

Mentioned, no instruction to avoid. Worth knowing; rarely a reason to change anything on its own.

What the FDA labels say

From the Aminophylline label · effective 2026-05-22

Minor

Other xanthines such as caffeine, dyphylline, and pentoxifylline are not detected by these assays.

Drug interactionsnames CaffeineView label on DailyMed
Minor

Caffeine and xanthine metabolites in neonates or patients with renal dysfunction may cause the reading from some dry reagent office methods to be higher than the actual serum theophylline concentration.

Drug interactionsnames CaffeineView label on DailyMed
No interaction

…Theophylline Refer to PRECAUTIONS , Drug Interactions for information regarding table. albuterol, systemic and inhaled amoxicillin ampicillin, with or without sulbactam atenolol azithromycin caffeine, dietary ingestion cefaclor co-trimoxazole (trimethoprim and sulfamethoxazole) diltiazem dirithromycin enflurane famotidine felodipine finasteride hydrocortisone isoflurane…

Drug interactionsnames CaffeineView label on DailyMed

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Not medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.