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Med Rx.

Dextromethorphan Hydrobromide + Guaifenesin interactions

Checked as Dextromethorphan in this data source.

Full monograph for Dextromethorphan Hydrobromide + GuaifenesinCheck it against another medicine

Medicines

238 documented

Medicines documented to interact with Dextromethorphan Hydrobromide + Guaifenesin, worst severity first.
MedicineSeverityMechanismEffectSources
AlmotriptanMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…99 sources — open the full entry
Amitriptyline HydrochlorideMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…99 sources — open the full entry
Amitriptyline Hydrochloride + ChlordiazepoxideMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…2 documented mechanisms143 sources — open the full entry
Citalopram HydrobromideMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…134 sources — open the full entry
Clobetasol Propionate + Ofloxacin + Ornidazole + TerbinafineMajorMetabolism · UnknownCoadministration with potent CYP450 2D6 inhibitors (e.g., quinidine, terbinafine) may significantly increase the plasma concentrations of dextromethorphan in…2 documented mechanisms46 sources — open the full entry
Clomipramine HydrochlorideMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…99 sources — open the full entry
Cyclobenzaprine HydrochlorideMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…99 sources — open the full entry
Desvenlafaxine SuccinateMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…134 sources — open the full entry
Doxepin (Oral)MajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…99 sources — open the full entry
Doxepin (Topical)MajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…99 sources — open the full entry
Duloxetine HydrochlorideMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…134 sources — open the full entry
Escitalopram OxalateMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…134 sources — open the full entry
Fentanyl CitrateMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…99 sources — open the full entry
Fluoxetine HydrochlorideMajorMetabolismCoadministration with potent CYP450 2D6 inhibitors (e.g., quinidine, terbinafine) may significantly increase the plasma concentrations of dextromethorphan in…46 sources — open the full entry
Fluphenazine + NortriptylineMajorMetabolism · SynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…2 documented mechanisms105 sources — open the full entry
Fluvoxamine MaleateMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…134 sources — open the full entry
GranisetronMajorSynergyConcomitant use of 5-HT3 receptor antagonists with agents that possess or enhance serotonergic activity such as selective serotonin reuptake inhibitors…7 sources — open the full entry
Imipramine HydrochlorideMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…99 sources — open the full entry
Lasmiditan HemisuccinateMajorSynergyCoadministration of lasmiditan and serotonergic agents may increase the risk of serotonin syndrome. Lasmiditan binds to the 5-HT(1F) receptor, where it…5 sources — open the full entry
Levomilnacipran HydrochlorideMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…134 sources — open the full entry
LinezolidMajorSynergyCoadministration of dextromethorphan with linezolid may increase the risk of serotonin syndrome, a rare but serious and potentially fatal condition thought to…41 sources — open the full entry
Maprotiline HydrochlorideMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…99 sources — open the full entry
Milnacipran HydrochlorideMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…134 sources — open the full entry
MirtazapineMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…100 sources — open the full entry
NortriptylineMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…99 sources — open the full entry
OndansetronMajorSynergyConcomitant use of 5-HT3 receptor antagonists with agents that possess or enhance serotonergic activity such as selective serotonin reuptake inhibitors…7 sources — open the full entry
PalonosetronMajorSynergyConcomitant use of 5-HT3 receptor antagonists with agents that possess or enhance serotonergic activity such as selective serotonin reuptake inhibitors…7 sources — open the full entry
Paracetamol + Tramadol HydrochlorideMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…99 sources — open the full entry
Paroxetine HydrochlorideMajorMetabolismCoadministration with potent CYP450 2D6 inhibitors (e.g., quinidine, terbinafine) may significantly increase the plasma concentrations of dextromethorphan in…46 sources — open the full entry
PentazocineMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…99 sources — open the full entry
Pethidine HydrochlorideMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…99 sources — open the full entry
RasagilineMajorSynergyBy inhibiting serotonin metabolism, monoamine oxidase inhibitors (MAOIs) may potentiate the pharmacologic activity of serotonergic agents such as serotonin…74 sources — open the full entry
Remifentanil HydrochlorideMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…99 sources — open the full entry
Rizatriptan BenzoateMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…99 sources — open the full entry
Safinamide MesylateMajorMetabolismBy inhibiting serotonin metabolism, monoamine oxidase inhibitors (MAOIs), including the selective MAO-B inhibitor safinamide, may potentiate the pharmacologic…117 sources — open the full entry
Sertraline HydrochlorideMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…134 sources — open the full entry
SumatriptanMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…99 sources — open the full entry
Tapentadol HydrochlorideMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…100 sources — open the full entry
Terbinafine HydrochlorideMajorMetabolismCoadministration with potent CYP450 2D6 inhibitors (e.g., quinidine, terbinafine) may significantly increase the plasma concentrations of dextromethorphan in…46 sources — open the full entry
Tramadol HydrochlorideMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…99 sources — open the full entry
Venlafaxine HydrochlorideMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…134 sources — open the full entry
Vilazodone HydrochlorideMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…100 sources — open the full entry
Vortioxetine HydrobromideMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…134 sources — open the full entry
ZolmitriptanMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…99 sources — open the full entry
AbametapirModerateMetabolismBased on in vitro inhibition data, a single topical application of abametapir lotion may increase plasma concentrations of drugs that are substrates of CYP450…1 sources — open the full entry
Abiraterone AcetateModerateMetabolismCoadministration with CYP450 2D6 inhibitors may increase the plasma concentrations of dextromethorphan in patients who are extensive metabolizers of this…6 sources — open the full entry
AlprazolamModerateSynergyCentral nervous system- and/or respiratory-depressant effects may be additively or synergistically increased in patients taking multiple drugs that cause these…44 sources — open the full entry
Amiodarone HydrochlorideModerateMetabolismCoadministration with CYP450 2D6 inhibitors may increase the plasma concentrations of dextromethorphan in patients who are extensive metabolizers of this…6 sources — open the full entry
AripiprazoleModerateSynergyCentral nervous system- and/or respiratory-depressant effects may be additively or synergistically increased in patients taking multiple drugs that cause these…44 sources — open the full entry
Artemether + LumefantrineModerateMetabolismCoadministration with lumefantrine may increase the plasma concentrations of drugs that are substrates of the CYP450 2D6 isoenzyme. In vitro, lumefantrine…2 documented mechanisms5 sources — open the full entry

Food & lifestyle

Therapeutic duplication

Drug classes that overlap with Dextromethorphan Hydrobromide + Guaifenesin, so taking both doubles up the same effect. This source publishes no per-row citations for duplication.