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Midol PM and Strattera

Determining the interaction of Midol PM and Strattera and the possibility of their joint administration.

Check result:
Midol PM <> Strattera
Relevance: 04.08.2022 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:

DiphenhydrAMINE may increase the blood levels and effects of atomoxetine. This can increase side effects such as dizziness, dry mouth, loss of appetite, sleep disturbances, and heart palpitations. You may need a dose adjustment or more frequent monitoring by your doctor 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: Coadministration with drugs that are inhibitors of CYP450 2D6 may increase the plasma concentrations of atomoxetine, which is primarily metabolized by the isoenzyme. In patients who are extensive metabolizers of CYP450 2D6 (approximately 93% of Caucasians and more than 98% of Asians and individuals of African descent), potent inhibitors of the isoenzyme such as fluoxetine and paroxetine have been shown to increase atomoxetine systemic exposure (AUC) by 6- to 8-fold and peak plasma concentration (Cmax) by 3- to 4-fold. These higher concentrations are similar to those observed in CYP450 2D6 poor metabolizers given the drug alone. In vitro studies suggest that coadministration of CYP450 2D6 inhibitors to poor metabolizers will not further increase atomoxetine plasma concentrations.

MANAGEMENT: Pharmacologic response to atomoxetine should be monitored more closely whenever a CYP450 2D6 inhibitor is added to or withdrawn from therapy, as dosage adjustment of atomoxetine may be necessary in extensive metabolizers. During coadministration, patients should be advised to contact their physician if they experience excessive adverse effects of atomoxetine such as dizziness, dry mouth, anorexia, sleep disturbances, and palpitations.

References
  • Belle DJ, Ernest CS, Sauer JM, Smith BP, Thomasson HR, Witcher JW "Effect of potent CYP2D6 inhibition by paroxetine on atomoxetine pharmacokinetics." J Clin Pharmacol 42 (2002): 1219-27
  • "Product Information. Strattera (atomoxetine)." Lilly, Eli and Company, Indianapolis, IN.
Midol PM

Generic Name: acetaminophen / diphenhydramine

Brand name: Aceta-Gesic, Coricidin Night Time Cold Relief, Excedrin PM, Headache Relief PM, Legatrin PM, Mapap PM, Midol PM, Night Time Pain, Pain Relief PM Extra Strength, Percogesic Extra Strength, Tylenol Cold Relief Nighttime, Tylenol PM, Tylenol Sore Throat Nighttime, Unisom with Pain Relief, Tylenol Extra Strength PM, Bayer Select Max Strength Night Time Pain, Genapap PM, Excedrin PM Caplet, Sominex Pain Relief Formula, Tylenol Severe Allergy Caplet, Anacin PM. Aspirin Free, Tylenol Extra Strength PM Vanilla, Tylenol Cold Relief Caplet, Tylenol Cold Relief Nighttime Caplet, Tylenol Extra Strength PM Rapid Release Gelcaps, Excedrin PM Express, Percogesic Original Strength, Tylenol Cold Relief, Tylenol Severe Allergy

Synonyms: n.a.

Strattera

Generic Name: atomoxetine

Brand name: Strattera

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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