Ritonavir Oral Solution and Valium
Determining the interaction of Ritonavir Oral Solution and Valium and the possibility of their joint administration.
In the database of official manuals used in the service creation an interaction registered by statistical results of studies was found, which can either lead to negative consequences for the patient health or strengthen a mutual positive effect. A doctor should be consulted to address the issue of joint drug administration.
Consumer:Using diazePAM together with ritonavir may increase the effects of diazePAM. Contact your doctor if you experience extreme drowsiness, confusion, muscle weakness, or fainting. You should avoid activities requiring mental alertness until you know how these medications affect you. If your doctor does prescribe these medications together, you may need a dose adjustment or special test to safely use both medications. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.
Professional:MONITOR: The coadministration of ritonavir and benzodiazepines that are substrates of the CYP450 3A4 enzymatic pathway may result in elevated plasma concentrations of the latter. The mechanism is decreased clearance of benzodiazepines due to inhibition of CYP450 3A4 activity by ritonavir.
MANAGEMENT: While clinical data are not available for all agents in the class, the possibility of prolonged and/or increased pharmacologic effects of benzodiazepines, including sedation and respiratory depression, should be considered in patients receiving ritonavir therapy. It may be appropriate to use lower benzodiazepine dosages in these patients, or use agents that are not metabolized by the CYP450 3A4 pathway (e.g., lorazepam, oxazepam, temazepam).
- Michalets EL "Update: clinically significant cytochrome P-450 drug interactions." Pharmacotherapy 18 (1998): 84-112
- Greenblatt DJ, vonMoltke LL, Harmatz JS, Durol ALB, Daily JP, Graf JA, Mertzanis P, Hoffman JL, Shader RI "Alprazolam-ritonavir interaction: Implications for product labeling." Clin Pharmacol Ther 67 (2000): 335-41
- "Product Information. Norvir (ritonavir)." Abbott Pharmaceutical, Abbott Park, IL.
Generic Name: ritonavir
Brand name: Norvir, Norvir Soft Gelatin
Synonyms: Ritonavir
Generic Name: diazepam
Brand name: Valium, Diastat, Diastat AcuDial, Diastat Pediatric, Diazepam Intensol, Zetran
Synonyms: n.a.
In the course of checking the drug compatibility and interactions, data from the following reference sources was used: Drugs.com, Rxlist.com, Webmd.com, Medscape.com.
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