Kaletra Oral Solution and Propoxyphene
Determining the interaction of Kaletra Oral Solution and Propoxyphene 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 propoxyphene together with ritonavir may alter the effects of propoxyphene. Contact your doctor if you experience extreme drowsiness, pinpoint pupils, confusion, cold and clammy skin, weak pulse, shallow breathing, and fainting, 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: Ritonavir inhibits CYP450 isoenzymes and may interfere with the metabolism of propoxyphene. Clinical data have not been reported; however, the accumulation of propoxyphene may result in excessive CNS- and/or respiratory-depressant effects. Excessive doses of propoxyphene, either alone or in combination with other CNS depressants, have been a major cause of drug-related deaths, particularly in patients with a history of emotional disturbances, suicidal ideation, or alcohol and drug abuse. In a large Canadian study, propoxyphene use was also associated with a 60% increased risk of hip fracture in the elderly.
MANAGEMENT: During concomitant administration, monitoring for excessive side effects of propoxyphene may be advisable. Dose reductions may be considered if an interaction is suspected.
- EMEA. European Medicines Agency "EPARs. European Union Public Assessment Reports. Available from: URL: http://www.ema.europa.eu/ema/index.jsp?curl=pages/includes/medicines/medicines_landingpage.jsp&mid."
Generic Name: lopinavir / ritonavir
Brand name: Kaletra
Synonyms: Kaletra
Generic Name: propoxyphene
Brand name: Darvon, Darvon-N, PP-Cap
Synonyms: Propoxyphene Capsules
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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