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Onmel and Zolpidem Tartrate

Determining the interaction of Onmel and Zolpidem Tartrate and the possibility of their joint administration.

Check result:
Onmel <> Zolpidem Tartrate
Relevance: 27.06.2022 Reviewer: Shkutko P.M., M.D., in

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:

Itraconazole may increase the blood levels of zolpidem. This can increase the risk of side effects including daytime drowsiness, motor impairment, amnesia, anxiety, abnormal thinking, hallucinations, behavioral changes, and breathing difficulties (especially if you have a respiratory disorder such as asthma or obstructive sleep apnea). Talk to your doctor if you have any questions or concerns. Your doctor may be able to prescribe alternatives that do not interact, or you may need a dose adjustment or more frequent monitoring to safely use both medications. You should avoid the use of alcohol while being treated with zolpidem. Avoid driving or operating hazardous machinery until you know how the medication affects you, and do not exceed the dosage or frequency of use prescribed by your doctor. Because there may be some residual effects of zolpidem the day after you take it, it may be advisable to wait at least 12 hours after dosing to drive or operate machinery, even when you may feel fully awake. 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: Coadministration with inhibitors of CYP450 3A4 may increase the plasma concentrations of zolpidem, which is partially metabolized by the isoenzyme. When a single 5 mg dose of zolpidem was administered to 12 healthy study subjects following treatment with the potent CYP450 3A4 inhibitor ketoconazole (200 mg twice daily for 2 days), zolpidem peak plasma concentration (Cmax) and systemic exposure (AUC) increased by 35% and 67%, respectively. Increased sedation and other pharmacodynamic effects were noted.

MANAGEMENT: Caution is advised when zolpidem is used with CYP450 3A4 inhibitors. Patients should be advised to avoid driving, operating machinery, or engaging in potentially hazardous activities requiring mental alertness and motor coordination until they know how the medications affect them, and to notify their physician if they experience excessive somnolence or dizziness.

References
  • Luurila H, Kivisto KT, Neuvonen PJ "Effect of itraconazole on the pharmacokinetics and pharmacodynamics of zolpidem." Eur J Clin Pharmacol 54 (1998): 163-6
  • Greenblatt DJ, vonMoltke LL, Harmatz JS, Mertzanis P, Graf JA, Durol ALB, Counihan M, RothSchechter B, Shader RI "Kinetic and dynamic interaction study of zolpidem with ketoconazole, itraconazole, and fluconazole." Clin Pharmacol Ther 64 (1998): 661-71
  • "Product Information. Ambien (zolpidem)." sanofi-aventis, Bridgewater, NJ.
  • Greenblatt DJ, von Moltke LL, Harmatz JS, et al. "Differential impairment of triazolam and zolpidem clearance by ritonavir." J Acquir Immune Defic Syndr 24 (2000): 129-36
  • Saari TI, Laine K, Leino K, Valtonen M, Neuvonen PJ, Olkkola KT "Effect of voriconazole on the pharmacokinetics and pharmacodynamics of zolpidem in healthy subjects." Br J Clin Pharmacol 63 (2007): 116-20
  • Farkas D, Volak L, Harmatz J, von Moltke L, Court M, Greenblatt D "Short-term clarithromycin administration impairs clearance and enhances pharmacodynamic effects of trazodone but not of zolpidem." Clin Pharmacol Ther 85 (2009): 644-50
  • "Product Information. Norvir (ritonavir)." Abbott Pharmaceutical, Abbott Park, IL.
Onmel

Generic Name: itraconazole

Brand name: Onmel, Sporanox, Sporanox PulsePak, Tolsura

Synonyms: n.a.

Zolpidem Tartrate

Generic Name: zolpidem

Brand name: Ambien, Ambien CR, Edluar, Intermezzo, ZolpiMist

Synonyms: Zolpidem

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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