Bupropion Tablets and Theraflu Warming Relief Nighttime Severe Cold

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.

BuPROPion may increase the blood levels and effects of diphenhydrAMINE. You may need a dose adjustment or more frequent monitoring by your doctor to safely use both medications. Contact your doctor if you experience increased side effects or your condition changes. 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.

ADJUST DOSE: Coadministration with bupropion may increase the plasma concentrations of drugs that are metabolized by CYP450 2D6 (e.g., selective serotonin reuptake inhibitors; tricyclic antidepressants; some beta blockers, antiarrhythmics, and antipsychotics). The mechanism is decreased clearance due to inhibition of CYP450 2D6 activity by bupropion. Approximately 93% of Caucasians and more than 98% of Asians and individuals of African descent are extensive metabolizers of CYP450 2D6 and may be affected by this interaction. In a study of 15 male volunteers who were extensive metabolizers of CYP450 2D6, administration of a single 50 mg dose of desipramine following treatment with bupropion 150 mg twice daily increased the desipramine peak plasma concentration (Cmax), systemic exposure (AUC) and half-life by an average of 2-, 5-, and 2-fold, respectively. The effect was present for at least 7 days after the last dose of bupropion. A case report describes a 4-fold increase in plasma levels of imipramine and its metabolite, desipramine, in a 64-year-old woman following the addition of bupropion 225 mg/day. Plasma levels of desipramine were increased twofold more than the imipramine levels, which is consistent with the fact that desipramine is primarily metabolized by CYP450 2D6 while imipramine is also metabolized by other CYP450 isoenzymes. In another report, an 83-year-old woman became unsteady, confused, and lethargic following the addition of bupropion SR 300 mg/day. Her nortriptyline level was found to have increased by 185%. A later rechallenge prompted recurrence of the interaction. Likewise, a 62-year-old woman with no history of seizures developed a generalized tonic-clonic seizure in association with toxic trimipramine plasma levels following the addition of bupropion 300 mg/day. No further seizures occurred following dosage reductions of both drugs.

MANAGEMENT: Caution is advised if bupropion must be used concomitantly with medications that undergo metabolism by CYP450 2D6, particularly those with a narrow therapeutic range. Concomitant medications should be initiated at the lower end of the dose range. Clinical and laboratory monitoring may be appropriate for some drugs whenever bupropion is added to or withdrawn from therapy.

Bupropion Tablets

Generic Name: bupropion

Brand name: Aplenzin, Buproban, Forfivo XL, Wellbutrin SR, Wellbutrin XL, Zyban, Zyban Advantage Pack, Budeprion XL

Synonyms: Bupropion, BuPROPion

What is Bupropion Tablets?

Theraflu Warming Relief Nighttime Severe Cold

Generic Name: acetaminophen / diphenhydramine / phenylephrine

Brand name: Theraflu Warming Relief Nighttime Severe Cold, Benadryl Allergy & Sinus Headache, Delsym Cough Plus Cold Night Time, Mucinex Fast-Max Night Time Cold and Flu, Robitussin Nighttime Multi-Symptom Cold, Sudafed PE Severe Cold, Theraflu Severe Cold & Cough Nighttime, Theraflu Warming Flu & Sore Throat, Theraflu Warming Sinus & Cold, Theraflu Warming Severe Cold Nighttime, Benadryl Allergy & Cold, Sudafed PE Nighttime Cold, Tylenol Allergy Multi-Symptom Nighttime, Theraflu Nighttime Severe Cough & Cold, Children's Delsym Cough Plus Cold Night Time, Children's Mucinex Night Multi-Symp Cold, Children's Dimetapp Multi-Symptom Cold & Flu, Theraflu ExpressMax Nighttime Severe C&C, Theraflu PowerPods Nighttime Severe Cold, Benadryl Allergy/Cold, Tylenol Allergy Multi-Symptom

Synonyms: n.a.

What is Theraflu Warming Relief Nighttime Severe Cold?