HomeRitonavir 100 MgRitonavir 100 Mg + Disopyramide

Does Ritonavir 100 Mg Interact with Disopyramide?

Ritonavir 100 Mg and Disopyramide have a moderate drug interaction according to U.S. FDA drug labeling data. Antiarrhythmics: disopyramide, lidocaine, mexiletine ↑ antiarrhythmics Caution is warranted and therapeutic concentration monitoring is recommended for antiarrhythmics when co-administered with ritonavir, if available. 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
Moderate
Ritonavir 100 Mg Class
Cytochrome P450 3A Inhibitor
Management
Monitor for effects
Data Source
U.S. FDA via OpenFDA

What To Tell Your Doctor or Pharmacist

If you are taking Ritonavir 100 Mg and your doctor is considering prescribing Disopyramide (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 whether any dosage adjustments are needed
  • Never stop or change either medication without first consulting your healthcare provider
💊 Ritonavir 100 Mg(Ritonavir Film Coated)+💊 Disopyramide

Severity & Interaction Details

🟡
moderate
Be aware — moderate interaction
Documented interaction with manageable risk. May require dose adjustment or monitoring.
Severity scale
MinorContra
On record
Yes
Drug A class
Cytochrome P450 3A Inhibitor
Drug B class
Source
FDA drug label - ritonavir 100 mg

What this means in plain English

Antiarrhythmics: disopyramide, lidocaine, mexiletine ↑ antiarrhythmics Caution is warranted and therapeutic concentration monitoring is recommended for antiarrhythmics when co-administered with ritonavir, if available.

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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.