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Does Fluticasone Propionate And Salmeterol Interact with Ritonavir?

Fluticasone Propionate And Salmeterol and Ritonavir have a contraindicated drug interaction according to U.S. FDA drug labeling data. Strong CYP3A4 inhibitor significantly increases fluticasone propionate exposure and reduces serum cortisol. Postmarketing reports of systemic corticosteroid effects including Cushing's syndrome and adrenal suppression. The mechanism involves cyp3a4 inhibition increases systemic corticosteroid and cardiovascular adverse effects. 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
Contraindicated
Ritonavir Class
Cytochrome P450 3A Inhibitor
Management
Do not take together
Data Source
U.S. FDA via OpenFDA

How This Interaction Works

The interaction between Fluticasone Propionate And Salmeterol and Ritonavir occurs because cyp3a4 inhibition increases systemic corticosteroid and cardiovascular adverse effects. Clinically, this means strong cyp3a4 inhibitor significantly increases fluticasone propionate exposure and reduces serum cortisol. postmarketing reports of systemic corticosteroid effects including cushing's syndrome and adrenal suppression. Because of the severity of this interaction, these medications are contraindicated — meaning they should not be taken together under any circumstances. If you are currently taking both, contact your healthcare provider immediately to discuss alternatives.

What To Tell Your Doctor or Pharmacist

If you are taking Fluticasone Propionate And Salmeterol and your doctor is considering prescribing Ritonavir (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
  • Ask about alternative medications that do not interact with your current regimen
  • Ask how frequently you should be monitored while these are co-prescribed
  • Never stop or change either medication without first consulting your healthcare provider
💊 Fluticasone Propionate And Salmeterol(Fluticasone Propionate And Salmeterol Diskus)+💊 Ritonavir

Severity & Interaction Details

⛔
contraindicated
Avoid this combination
FDA labeling lists this pair as contraindicated. The risk outweighs the benefit in nearly all cases.
Severity scale
MinorContra
On record
Yes
Drug A class
—
Drug B class
Cytochrome P450 3A Inhibitor
Source
NLP:fluticasone propionate and salmeterol

What this means in plain English

Strong CYP3A4 inhibitor significantly increases fluticasone propionate exposure and reduces serum cortisol. Postmarketing reports of systemic corticosteroid effects including Cushing's syndrome and adrenal suppression.

What the FDA label says

"CYP3A4 inhibition increases systemic corticosteroid and cardiovascular adverse effects"

📖 Source: NLP:fluticasone propionate and salmeterol

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Data sourced from U.S. FDA drug labeling via openFDA and the NIH National Library of Medicine. For informational purposes only. Always consult your pharmacist or physician.