Prednisolone and Theophylline Interaction
Drug interaction information between Prednisolone and Theophylline.
Prednisolone and Theophylline have a documented major interaction in FDA labeling.
FDA drug labeling documents a major-severity interaction between Prednisolone and Theophylline. This page displays the available source-record category and label text. The category is not an individual risk estimate or medication-combination direction.
How They Interact
Taking these two drugs together can change how quickly your body gets rid of theophylline. This may cause the amount of medicine in your blood to go up or down.
FDA Label Information
albuterol, systemic and inhaled mebendazole amoxicillin medroxyprogesterone ampicillin, with or without sulbactam methylprednisolone atenolol metronidazole azithromycin metoprolol caffeine, dietary ingestion nadolol cefaclor nifedipine co-trimoxazole (trimethoprim and sulfamethoxazole) nizatidine diltiazem norfloxacin dirithromycin ofloxacin enflurane omeprazole famotidine prednisone, prednisolone felodipine ranitidine finasteride rifabutin hydrocortisone roxithromycin isoflurane Sorbitol (purgative doses do not inhibit theophylline absorption) isoniazid sucralfate isradipine terbutaline,...
Prednisolone Also Interacts With
- Darunavir moderate
- Nirmatrelvir/Ritonavir moderate
- Carbamazepine minor
- Estradiol minor
- Ethinyl Estradiol/Etonogestrel minor
Theophylline Also Interacts With
- Metoprolol major
- Albuterol major
- Omeprazole major
- Amoxicillin major
- Famotidine major
Frequently Asked Questions
What SPL severity band is on file for Prednisolone + Theophylline?
Compiled FDA labeling labels this pair major. That is a source-record field, not an individual medication-combination decision.
Which drug in this pair has the larger labeled-interaction portfolio?
Theophylline has 86 labeled pairs on file vs Prednisolone's 14. In the major band specifically: Prednisolone has 1; Theophylline has 27 (also Metoprolol, Albuterol, Omeprazole, Amoxicillin).
What mechanism field is on file for Prednisolone and Theophylline?
Taking these two drugs together can change how quickly your body gets rid of theophylline. This may cause the amount of medicine in your blood to go up or down.
Theophylline carries more major-labeled pairs than Prednisolone
SPL source-record counts only. This page's band is major · classes on file: Prednisolone (Corticosteroid); Theophylline (Methylxanthine Bronchodilator).
Theophylline has 27 major-labeled pairs vs Prednisolone's 1.
1 major · 2 moderate · 11 minor · 14 total
Prednisolone has no other major-band peer in this dataset besides Theophylline.
27 major · 5 moderate · 54 minor · 86 total
- Other major peers for Theophylline
- Metoprolol
- Albuterol
- Omeprazole
- Amoxicillin
Sources: FDA Drug Labels (SPL) via openFDA (2026). This is for informational purposes only and is not medical advice. This registry does not provide individual medication-combination directions.
Read our methodology - how this data is sourced, computed, and verified.