Does Sulfamethoxazole Interact with Lumacaftor And Ivacaftor?
Sulfamethoxazole and Lumacaftor And Ivacaftor have a unknown drug interaction according to U.S. FDA drug labeling data. 7.15 Concomitant Drugs That Do Not Need Dosage Adjustment No dosage adjustment of ORKAMBI or concomitant drug is recommended when ORKAMBI is given with the following: azithromycin, aztreonam, budesonide, ceftazidime, cetirizine, ciprofloxacin, colistimethate, colistin, dornase alfa, fluticasone, ipratropium, levofloxacin, pancreatin, pancrelipase, salbutamol, salmeterol, sulfamethoxazole, trimethoprim, tiotropium, and tobramycin. Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This information is based on official FDA drug labeling sourced from OpenFDA and the NIH National Library of Medicine.
- Severity
- Unknown
- Lumacaftor And Ivacaftor Class
- Cystic Fibrosis Transmembrane Conductance Regulator Potentiator
- Management
- Consult your pharmacist
- Data Source
- U.S. FDA via OpenFDA
What To Tell Your Doctor or Pharmacist
If you are taking Sulfamethoxazole and your doctor is considering prescribing Lumacaftor And Ivacaftor (or vice versa), make sure to:
- Inform your doctor and pharmacist of all current medications, including over-the-counter drugs and supplements
- Ask whether the benefits of combining these medications outweigh the risks for your specific situation
- Ask what symptoms to watch for that would indicate the interaction is causing problems
- Never stop or change either medication without first consulting your healthcare provider