Caution/Monitor.chlorpromazineMonitor Closely (1)chlorpromazine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.chlorthalidoneMonitor Closely (1)terbutaline and chlorthalidone both decrease serum potassium. Use Caution/Monitor.Minor (2)terbutaline, chlorthalidone. Mechanism: pharmacodynamic synergism. Minor/Significance Unknown. Hypokalemia. chlorthalidone, terbutaline. Mechanism: pharmacodynamic synergism. Minor/Significance Unknown. Additive hypokalemic effects.choline magnesium trisalicylateMonitor Closely (1)choline magnesium trisalicylate increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor. .cinnarizineMonitor Closely (1)cinnarizine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.clemastineMonitor Closely (1)clemastine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.clomipramineMonitor Closely (1)clomipramine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.Serious - Use Alternative (1)clomipramine, terbutaline. Other (see comment). Avoid or Use Alternate Drug. Comment: Tricyclic antidepressants increase or decrease effects of sympathomimetics, by blocking reuptake of NE, or blocking uptake of indirect sympathomimetics into the adrenergic neuron.clonazepamMonitor Closely (1)clonazepam increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.clorazepateMonitor Closely (1)clorazepate increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.clozapineMonitor Closely (1)clozapine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.codeineMonitor Closely (1)codeine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.cyclizineMonitor Closely (1)cyclizine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.cyclopenthiazideMonitor Closely (1)terbutaline and cyclopenthiazide both decrease serum potassium. Use Caution/Monitor.Minor (2)terbutaline, cyclopenthiazide. Mechanism: pharmacodynamic synergism. Minor/Significance Unknown. Hypokalemia. cyclopenthiazide, terbutaline. Mechanism: pharmacodynamic synergism. Minor/Significance Unknown. Additive hypokalemic effects.cyproheptadineMonitor Closely (1)cyproheptadine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.deflazacortMonitor Closely (1)terbutaline and deflazacort both decrease serum potassium. Use Caution/Monitor.desipramineMonitor Closely (1)desipramine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.Serious - Use Alternative (1)desipramine, terbutaline. Other (see comment). Avoid or Use Alternate Drug. Comment: Tricyclic antidepressants increase or decrease effects of sympathomimetics, by blocking reuptake of NE, or blocking uptake of indirect sympathomimetics into the adrenergic neuron.dexchlorpheniramineMonitor Closely (1)dexchlorpheniramine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.dexfenfluramineMonitor Closely (2)terbutaline and dexfenfluramine both decrease sedation. Use Caution/Monitor. terbutaline and dexfenfluramine both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.dexmedetomidineMonitor Closely (1)dexmedetomidine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.dexmethylphenidateMonitor Closely (2)terbutaline and dexmethylphenidate both decrease sedation. Use Caution/Monitor. terbutaline and dexmethylphenidate both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.dextroamphetamineMonitor Closely (2)terbutaline and dextroamphetamine both decrease sedation. Use Caution/Monitor. terbutaline and dextroamphetamine both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.dextromoramideMonitor Closely (1)dextromoramide increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.diamorphineMonitor Closely (1)diamorphine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.dichlorphenamideMonitor Closely (1)dichlorphenamide and terbutaline both decrease serum potassium. Use Caution/Monitor.diclofenacMonitor Closely (1)diclofenac increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.diethylpropionMonitor Closely (2)terbutaline and diethylpropion both decrease sedation. Use Caution/Monitor. terbutaline and diethylpropion both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.difenoxin hclMonitor Closely (1)difenoxin hcl increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.diflunisalMonitor Closely (1)diflunisal increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.digoxinMonitor Closely (1)digoxin increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.dimenhydrinateMonitor Closely (1)dimenhydrinate increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.diphenhydramineMonitor Closely (1)diphenhydramine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.diphenoxylate hclMonitor Closely (1)diphenoxylate hcl increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.dipipanoneMonitor Closely (1)dipipanone increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.dobutamineMonitor Closely (3)dobutamine and terbutaline both decrease serum potassium. Use Caution/Monitor. dobutamine and terbutaline both decrease sedation. Use Caution/Monitor. dobutamine and terbutaline both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.dopamineMonitor Closely (2)terbutaline and dopamine both decrease sedation. Use Caution/Monitor. terbutaline and dopamine both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.dopexamineMonitor Closely (4)dopexamine, terbutaline. Either increases effects of the other by pharmacodynamic synergism. Use Caution/Monitor. dopexamine and terbutaline both decrease serum potassium. Use Caution/Monitor. dopexamine and terbutaline both decrease sedation. Use Caution/Monitor. dopexamine and terbutaline both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.doxepinMonitor Closely (1)doxepin increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.Serious - Use Alternative (1)doxepin, terbutaline. Other (see comment). Avoid or Use Alternate Drug. Comment: Tricyclic antidepressants increase or decrease effects of sympathomimetics, by blocking reuptake of NE, or blocking uptake of indirect sympathomimetics into the adrenergic neuron.droperidolMonitor Closely (1)droperidol increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.drospirenoneMonitor Closely (1)drospirenone increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Modify Therapy/Monitor Closely.ephedrineMonitor Closely (3)ephedrine and terbutaline both decrease serum potassium. Use Caution/Monitor. ephedrine and terbutaline both decrease sedation. Use Caution/Monitor. ephedrine and terbutaline both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.epinephrineMonitor Closely (3)epinephrine and terbutaline both decrease serum potassium. Use Caution/Monitor. epinephrine and terbutaline both decrease sedation. Use Caution/Monitor. epinephrine and terbutaline both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.epinephrine racemicMonitor Closely (3)epinephrine racemic and terbutaline both decrease serum potassium. Use Caution/Monitor. epinephrine racemic and terbutaline both decrease sedation. Use Caution/Monitor. epinephrine racemic and terbutaline both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.eprosartanMonitor Closely (1)eprosartan increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.esmololMonitor Closely (2)esmolol decreases effects of terbutaline by pharmacodynamic antagonism. Use Caution/Monitor. esmolol increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.estazolamMonitor Closely (1)estazolam increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.ethacrynic acidMonitor Closely (1)terbutaline and ethacrynic acid both decrease serum potassium. Use Caution/Monitor.Minor (2)terbutaline, ethacrynic acid. Mechanism: pharmacodynamic synergism. Minor/Significance Unknown. Hypokalemia. ethacrynic acid, terbutaline. Mechanism: pharmacodynamic synergism. Minor/Significance Unknown. Additive hypokalemic effects.ethanolMonitor Closely (1)ethanol increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.etodolacMonitor Closely (1)etodolac increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.eucalyptusMinor (1)eucalyptus increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Minor/Significance Unknown.fenfluramineMonitor Closely (2)terbutaline and fenfluramine both decrease sedation. Use Caution/Monitor. terbutaline and fenfluramine both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.fenoprofenMonitor Closely (1)fenoprofen increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.fexinidazoleSerious - Use Alternative (1)fexinidazole and terbutaline both increase QTc interval. Avoid or Use Alternate Drug. Avoid coadministration of fexinidazole with drugs known to block potassium channels or prolong QT interval.fluoxetineMonitor Closely (1)fluoxetine and terbutaline both increase QTc interval. Modify Therapy/Monitor Closely. Fluoxetine prolongs the QT interval; the prescribing information for fluoxetine recommends avoiding concurrent use of other drugs that may prolong the QT interval; risk may be increased with higher doses and/or when associated with hypokalemia; drugs that prolong the QTc interval may potentiate the effects of beta2 agonists on the cardiovascular systemfluphenazineMonitor Closely (1)fluphenazine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.flurazepamMonitor Closely (1)flurazepam increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.flurbiprofenMonitor Closely (1)flurbiprofen increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.formoterolMonitor Closely (3)formoterol and terbutaline both decrease serum potassium. Use Caution/Monitor. formoterol and terbutaline both decrease sedation. Use Caution/Monitor. formoterol and terbutaline both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.fostemsavirMonitor Closely (1)terbutaline and fostemsavir both increase QTc interval. Use Caution/Monitor. QTc prolongation reported with higher than recommended doses of fostemsavir.furosemideMonitor Closely (1)terbutaline and furosemide both decrease serum potassium. Use Caution/Monitor.Minor (2)terbutaline, furosemide. Mechanism: pharmacodynamic synergism. Minor/Significance Unknown. Hypokalemia. furosemide, terbutaline. Mechanism: pharmacodynamic synergism. Minor/Significance Unknown. Additive hypokalemic effects.gentamicinMonitor Closely (1)terbutaline and gentamicin both decrease serum potassium. Use Caution/Monitor.green teaMonitor Closely (1)green tea increases effects of terbutaline by pharmacodynamic synergism. Use Caution/Monitor. Due to caffeine content. Combination may increase CNS stimulatory effects due to caffeine in green tea.haloperidolMonitor Closely (1)haloperidol increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.hydrochlorothiazideMonitor Closely (1)terbutaline and hydrochlorothiazide both decrease serum potassium. Use Caution/Monitor.Minor (2)terbutaline, hydrochlorothiazide. Mechanism: pharmacodynamic synergism. Minor/Significance Unknown. Hypokalemia. hydrochlorothiazide, terbutaline. Mechanism: pharmacodynamic synergism. Minor/Significance Unknown. Additive hypokalemic effects.hydromorphoneMonitor Closely (1)hydromorphone increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.hydroxyzineMonitor Closely (1)hydroxyzine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.ibuprofenMonitor Closely (1)ibuprofen increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.ibuprofen IVMonitor Closely (1)ibuprofen IV increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.iloperidoneMonitor Closely (1)iloperidone increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.imipramineMonitor Closely (1)imipramine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.Serious - Use Alternative (1)imipramine, terbutaline. Other (see comment). Avoid or Use Alternate Drug. Comment: Tricyclic antidepressants increase or decrease effects of sympathomimetics, by blocking reuptake of NE, or blocking uptake of indirect sympathomimetics into the adrenergic neuron.indapamideMonitor Closely (1)terbutaline and indapamide both decrease serum potassium. Use Caution/Monitor.Minor (2)terbutaline, indapamide. Mechanism: pharmacodynamic synergism. Minor/Significance Unknown. Hypokalemia. indapamide, terbutaline. Mechanism: pharmacodynamic synergism. Minor/Significance Unknown. Additive hypokalemic effects.indomethacinMonitor Closely (1)indomethacin increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.irbesartanMonitor Closely (1)irbesartan increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.isocarboxazidSerious - Use Alternative (1)isocarboxazid increases effects of terbutaline by pharmacodynamic synergism. Contraindicated. Risk of acute hypertensive episode.isoproterenolMonitor Closely (3)isoproterenol and terbutaline both decrease serum potassium. Use Caution/Monitor. isoproterenol and terbutaline both decrease sedation. Use Caution/Monitor. isoproterenol and terbutaline both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.ketoprofenMonitor Closely (1)ketoprofen increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.ketorolacMonitor Closely (1)ketorolac increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.ketorolac intranasalMonitor Closely (1)ketorolac intranasal increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor. .ketotifen, ophthalmicMonitor Closely (1)ketotifen, ophthalmic increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.labetalolMonitor Closely (2)labetalol decreases effects of terbutaline by pharmacodynamic antagonism. Use Caution/Monitor. labetalol increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.lefamulinSerious - Use Alternative (1)lefamulin and terbutaline both increase QTc interval. Avoid or Use Alternate Drug.levalbuterolMonitor Closely (3)levalbuterol and terbutaline both decrease serum potassium. Use Caution/Monitor. levalbuterol and terbutaline both decrease sedation. Use Caution/Monitor. levalbuterol and terbutaline both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.levorphanolMonitor Closely (1)levorphanol increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.linezolidSerious - Use Alternative (1)linezolid increases effects of terbutaline by pharmacodynamic synergism. Contraindicated. Risk of acute hypertensive episode.lisdexamfetamineMonitor Closely (2)terbutaline and lisdexamfetamine both decrease sedation. Use Caution/Monitor. terbutaline and lisdexamfetamine both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.lofepramineMonitor Closely (1)lofepramine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.Serious - Use Alternative (1)lofepramine, terbutaline. Other (see comment). Avoid or Use Alternate Drug. Comment: Tricyclic antidepressants increase or decrease effects of sympathomimetics, by blocking reuptake of NE, or blocking uptake of indirect sympathomimetics into the adrenergic neuron.lofexidineMonitor Closely (1)lofexidine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.loprazolamMonitor Closely (1)loprazolam increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.lorazepamMonitor Closely