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Does Timolol Interact with Ritonavir 100 Mg?

Timolol and Ritonavir 100 Mg have a moderate drug interaction according to U.S. FDA drug labeling data. β-Blockers: metoprolol, timolol ↑ beta-blockers Caution is warranted and clinical monitoring of patients is recommended. 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 Timolol and your doctor is considering prescribing Ritonavir 100 Mg (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
💊 Timolol(Timoptic)+💊 Ritonavir 100 Mg(Ritonavir Film Coated)

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
—
Drug B class
Cytochrome P450 3A Inhibitor
Source
FDA drug label - ritonavir 100 mg

What this means in plain English

β-Blockers: metoprolol, timolol ↑ beta-blockers Caution is warranted and clinical monitoring of patients is recommended.

About Timolol and Ritonavir 100 Mg

Ritonavir 100 Mg is a Cytochrome P450 3A Inhibitor. Timolol is also sold under the brand name Timoptic. Timolol is applied to the eye, whereas Ritonavir 100 Mg is taken by mouth. Ritonavir 100 Mg additionally carries an FDA boxed warning, the FDA's strongest safety alert.

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Data integrity: Every interaction shown is extracted directly from official U.S. FDA drug labeling via openFDA and the U.S. National Library of Medicine (NIH) — no interactions are invented, inferred, or manually edited. Maintained by CheckDrugInteractions.com. See our methodology or report a correction at support@checkdruginteractions.com.

Data sourced from U.S. FDA drug labeling via openFDA and the NIH National Library of Medicine, supplemented with a small number of well-established interactions from curated clinical references. For informational purposes only. Always consult your pharmacist or physician.