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Halofantrine and Zithromax Injection

Determining the interaction of Halofantrine and Zithromax Injection and the possibility of their joint administration.

Check result:

Halofantrine <> Zithromax Injection

Relevance: 08.10.2022 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:

Using halofantrine together with azithromycin is not recommended. Combining these medications can increase the risk of an irregular heart rhythm that may be serious and potentially life-threatening, although it is a relatively rare side effect. You may be more susceptible if you have a heart condition called congenital long QT syndrome, other cardiac diseases, conduction abnormalities, or electrolyte disturbances (for example, magnesium or potassium loss due to severe or prolonged diarrhea or vomiting). Talk to your doctor if you have any questions or concerns. Your doctor may be able to prescribe alternatives that do not interact. You should seek immediate medical attention if you develop sudden dizziness, lightheadedness, fainting, shortness of breath, or heart palpitations during treatment with either of these 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:

CONTRAINDICATED: Halofantrine can cause dose-related prolongation of the QT interval at recommended therapeutic doses. QTc interval prolongation and death have been reported during combination use of halofantrine and mefloquine. Theoretically, coadministration with other agents that can prolong the QT interval may result in additive effects and increased risk of ventricular arrhythmias including torsade de pointes and sudden death.

MANAGEMENT: Coadministration of halofantrine with other drugs that can prolong the QT interval is considered contraindicated. The manufacturer recommends performing an ECG before initiating halofantrine therapy and monitoring cardiac rhythm during and for 8 to 12 hours after completion of therapy.

References

Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0
Cerner Multum, Inc. "Australian Product Information." O 0
"Product Information. Halfan (halofantrine)." GlaxoSmithKline, Philadelphia, PA.
Abernethy DR, Wesche DL, Barbey JT, et al. "Stereoselective halofantrine disposition and effect: concentration-related QTc prolongation." Br J Clin Pharmacol 51 (2001): 231-7
"Sudden death in a traveler following halofantrine administration--Togo, 2000." MMWR Morb Mortal Wkly Rep 50 (2001): 169-70, 179
Giao PT, de Vries PJ "Pharmacokinetic interactions of antimalarial agents." Clin Pharmacokinet 40 (2001): 343-73
"Product Information. Lariam (mefloquine)." Roche Laboratories, Nutley, NJ.
Canadian Pharmacists Association "e-CPS. Available from: URL: http://www.pharmacists.ca/function/Subscriptions/ecps.cfm?link=eCPS_quikLink."
Nosten F, ter Kuile FO, Luxemburger C, et al "Cardiac effects of antimalarial treatment with halofantrine." Lancet 341 (1993): 1054-6

Halofantrine

Generic Name: halofantrine

Brand name:

Synonyms: Halofantrine (Oral)

What is Halofantrine?

Zithromax Injection

Generic Name: azithromycin

Brand name: AzaSite, Azithromycin 3 Day Dose Pack, Azithromycin 5 Day Dose Pack, Zithromax, Zithromax Tri-Pak, Zithromax Z-Pak, Zmax, Zithromax IV

Synonyms: Azithromycin, Azithromycin (Systemic)

What is Zithromax Injection?

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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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