Lidocaine and Epinephrine Injection and Saquinavir
Determining the interaction of Lidocaine and Epinephrine Injection and Saquinavir 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 saquinavir together with lidocaine is not recommended. Saquinavir can increase the blood levels of lidocaine to dangerous levels and cause an irregular heart rhythm that may be serious. You should seek immediate medical attention if you develop sudden dizziness, lightheadedness, fainting, or fast or pounding heartbeats during treatment with lidocaine. 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:CONTRAINDICATED: Coadministration with saquinavir may significantly increase the plasma concentrations of some antiarrhythmic agents such as amiodarone, bepridil, flecainide, lidocaine, propafenone, and quinidine. The mechanism is decreased clearance due to inhibition of CYP450 3A4- and 2D6-mediated metabolism by saquinavir, particularly when coadministered with ritonavir as a pharmacokinetic booster. Although clinical data are lacking, the interaction could conceivably lead to serious and/or life-threatening reactions including QT interval prolongation and ventricular arrhythmias such as ventricular tachycardia and torsade de pointes.
MANAGEMENT: The use of saquinavir-ritonavir in combination with amiodarone, bepridil, flecainide, lidocaine, propafenone, and quinidine is considered contraindicated.
- "Product Information. Fortovase (saquinavir)" Roche Laboratories, Nutley, NJ.
- "Product Information. Invirase (saquinavir)." Roche Laboratories, Nutley, NJ.
Generic Name: epinephrine / lidocaine
Brand name: D-Care 100X, Lignospan Forte, Lignospan Standard, Xylocaine MPF With Epinephrine, Xylocaine With Epinephrine
Synonyms: Lidocaine and Epinephrine
Generic Name: saquinavir
Brand name: Invirase, Fortovase
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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