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Med Rx.

Paroxetine Hydrochloride interactions

Checked as Paroxetine in this data source.

Full monograph for Paroxetine HydrochlorideCheck it against another medicine

Medicines

698 documented

Medicines documented to interact with Paroxetine Hydrochloride, worst severity first.
MedicineSeverityMechanismEffectSources
AlmotriptanMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…100 sources — open the full entry
Amitriptyline HydrochlorideMajorMetabolismCoadministration with paroxetine may significantly increase the plasma concentrations of some tricyclic antidepressants (TCAs). The proposed mechanism is…23 sources — open the full entry
Amitriptyline Hydrochloride + ChlordiazepoxideMajorMetabolism · SynergyCoadministration with paroxetine may significantly increase the plasma concentrations of some tricyclic antidepressants (TCAs). The proposed mechanism is…2 documented mechanisms67 sources — open the full entry
Atomoxetine HydrochlorideMajorMetabolismCoadministration with potent inhibitors of CYP450 2D6 may significantly increase the plasma concentrations of atomoxetine, which is primarily metabolized by…7 sources — open the full entry
BrexpiprazoleMajorMetabolismCoadministration with inhibitors of CYP450 3A4 and/or 2D6 may significantly increase the plasma concentrations of brexpiprazole, which is metabolized by these…5 sources — open the full entry
Bupropion HydrochlorideMajorMetabolismThe use of bupropion is associated with a dose-related risk of seizures. The risk may be further increased when coadministered with other agents that can…23 sources — open the full entry
Clomipramine HydrochlorideMajorMetabolismCoadministration with paroxetine may significantly increase the plasma concentrations of some tricyclic antidepressants (TCAs). The proposed mechanism is…23 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…100 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…100 sources — open the full entry
DeutetrabenazineMajorMetabolismDeutetrabenazine has been associated with modest QT prolongation. Coadministration with a strong CYP450 2D6 inhibitor may increase the plasma concentrations of…5 sources — open the full entry
Dextromethorphan + BupropionMajorMetabolismCoadministration with potent CYP450 2D6 inhibitors (e.g., quinidine, terbinafine) may significantly increase the plasma concentrations of dextromethorphan in…2 documented mechanisms69 sources — open the full entry
Dextromethorphan + Phenylephrine + TriprolidineMajorMetabolism · SynergyCoadministration with potent CYP450 2D6 inhibitors (e.g., quinidine, terbinafine) may significantly increase the plasma concentrations of dextromethorphan in…2 documented mechanisms90 sources — open the full entry
Dextromethorphan + Pseudoephedrine + TriprolidineMajorMetabolism · SynergyCoadministration with potent CYP450 2D6 inhibitors (e.g., quinidine, terbinafine) may significantly increase the plasma concentrations of dextromethorphan in…2 documented mechanisms90 sources — open the full entry
Dextromethorphan HydrobromideMajorMetabolismCoadministration with potent CYP450 2D6 inhibitors (e.g., quinidine, terbinafine) may significantly increase the plasma concentrations of dextromethorphan in…46 sources — open the full entry
Dextromethorphan Hydrobromide + GuaifenesinMajorMetabolismCoadministration with potent CYP450 2D6 inhibitors (e.g., quinidine, terbinafine) may significantly increase the plasma concentrations of dextromethorphan in…46 sources — open the full entry
Dextromethorphan PolistirexMajorMetabolismCoadministration with potent CYP450 2D6 inhibitors (e.g., quinidine, terbinafine) may significantly increase the plasma concentrations of dextromethorphan in…46 sources — open the full entry
Diphenhydramine + Dextromethorphan + LevomentholMajorMetabolism · SynergyCoadministration with potent CYP450 2D6 inhibitors (e.g., quinidine, terbinafine) may significantly increase the plasma concentrations of dextromethorphan in…2 documented mechanisms90 sources — open the full entry
Doxepin (Oral)MajorMetabolismCoadministration with paroxetine may significantly increase the plasma concentrations of some tricyclic antidepressants (TCAs). The proposed mechanism is…23 sources — open the full entry
Doxepin (Topical)MajorMetabolismCoadministration with paroxetine may significantly increase the plasma concentrations of some tricyclic antidepressants (TCAs). The proposed mechanism is…23 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…100 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…100 sources — open the full entry
Fluphenazine + NortriptylineMajorMetabolismCoadministration with paroxetine may significantly increase the plasma concentrations of some tricyclic antidepressants (TCAs). The proposed mechanism is…2 documented mechanisms30 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 (SSRIs)…16 sources — open the full entry
Guaifenesin + Dextromethorphan + MentholMajorMetabolismCoadministration with potent CYP450 2D6 inhibitors (e.g., quinidine, terbinafine) may significantly increase the plasma concentrations of dextromethorphan in…46 sources — open the full entry
IloperidoneMajorMetabolismCoadministration with inhibitors of CYP450 3A4 and/or 2D6 may increase the plasma concentrations of iloperidone, which is a substrate of the isoenzymes.5 sources — open the full entry
Imipramine HydrochlorideMajorMetabolismCoadministration with paroxetine may significantly increase the plasma concentrations of some tricyclic antidepressants (TCAs). The proposed mechanism is…23 sources — open the full entry
IohexolMajorSynergyIntrathecal administration of iodinated contrast media may induce seizures. Although clinical data are generally lacking, there may be a theoretical risk of…5 sources — open the full entry
IopamidolMajorSynergyIntrathecal administration of iodinated contrast media may induce seizures. Although clinical data are generally lacking, there may be a theoretical risk of…5 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…100 sources — open the full entry
LinezolidMajorSynergyCoadministration of linezolid with serotonergic agents may potentiate the risk of serotonin syndrome, which is a rare but serious and potentially fatal…52 sources — open the full entry
Lithium CarbonateMajorSynergyLithium may enhance the pharmacologic effects of selective serotonin reuptake inhibitors (SSRIs) and potentiate the risk of serotonin syndrome, which is a rare…28 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…100 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…102 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
NortriptylineMajorMetabolismCoadministration with paroxetine may significantly increase the plasma concentrations of some tricyclic antidepressants (TCAs). The proposed mechanism is…23 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 (SSRIs)…16 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 (SSRIs)…16 sources — open the full entry
Paracetamol + Tramadol HydrochlorideMajorMetabolism · Synergy · UnknownDue to its serotonergic activity, coadministration of tramadol with selective serotonin reuptake inhibitors (SSRIs) may potentiate the risk of serotonin…2 documented mechanisms34 sources — open the full entry
PentazocineMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…100 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…100 sources — open the full entry
RasagilineMajorSynergyBy inhibiting serotonin metabolism, monoamine oxidase inhibitors (MAOIs) may potentiate the pharmacologic activity of selective serotonin reuptake inhibitors…32 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…100 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…100 sources — open the full entry
SumatriptanMajorSynergyConcomitant use of agents with serotonergic activity such as serotonin reuptake inhibitors, monoamine oxidase inhibitors, tricyclic antidepressants, 5-HT1…100 sources — open the full entry
Tamoxifen CitrateMajorMetabolismChronic coadministration of potent or moderate CYP450 2D6 inhibitors including certain antidepressants may reduce the effectiveness of tamoxifen. The proposed…35 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
TetrabenazineMajorMetabolismTetrabenazine may cause modest prolongation of the QT interval. Coadministration with a potent CYP450 2D6 inhibitor may increase the plasma concentrations of…5 sources — open the full entry
Tramadol HydrochlorideMajorMetabolism · SynergyDue to its serotonergic activity, coadministration of tramadol with selective serotonin reuptake inhibitors (SSRIs) may potentiate the risk of serotonin…34 sources — open the full entry
Valbenazine TosylateMajorMetabolismCoadministration with a strong CYP450 2D6 inhibitor may increase the exposure of (+)-alfa-dihydrotetrabenazine, the active metabolite of valbenazine, which may…2 sources — open the full entry

Food & lifestyle

Conditions

Conditions in which Paroxetine Hydrochloride needs care, as documented in this source.

Therapeutic duplication

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