(1)lorazepam increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.lormetazepamMonitor Closely (1)lormetazepam increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.lornoxicamMonitor Closely (1)lornoxicam increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.losartanMonitor Closely (1)losartan increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.loxapineMonitor Closely (1)loxapine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.loxapine inhaledMonitor Closely (1)loxapine inhaled increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.maprotilineMonitor Closely (1)maprotiline increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.Serious - Use Alternative (1)maprotiline, 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.marijuanaMonitor Closely (1)marijuana increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.meclofenamateMonitor Closely (1)meclofenamate increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.mefenamic acidMonitor Closely (1)mefenamic acid increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.melatoninMonitor Closely (1)melatonin increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.meloxicamMonitor Closely (1)meloxicam increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.meperidineMonitor Closely (1)meperidine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.meprobamateMonitor Closely (1)meprobamate increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.metaproterenolMonitor Closely (3)metaproterenol and terbutaline both decrease serum potassium. Use Caution/Monitor. metaproterenol and terbutaline both decrease sedation. Use Caution/Monitor. metaproterenol and terbutaline both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.methadoneMonitor Closely (1)methadone increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.methamphetamineMonitor Closely (2)terbutaline and methamphetamine both decrease sedation. Use Caution/Monitor. terbutaline and methamphetamine both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.methyclothiazideMinor (1)methyclothiazide, terbutaline. Mechanism: pharmacodynamic synergism. Minor/Significance Unknown. Additive hypokalemic effects.methylenedioxymethamphetamineMonitor Closely (2)terbutaline and methylenedioxymethamphetamine both decrease sedation. Use Caution/Monitor. terbutaline and methylenedioxymethamphetamine both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.methylphenidateMonitor Closely (1)terbutaline and methylphenidate both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.metolazoneMonitor Closely (1)terbutaline and metolazone both decrease serum potassium. Use Caution/Monitor.Minor (2)terbutaline, metolazone. Mechanism: pharmacodynamic synergism. Minor/Significance Unknown. Hypokalemia. metolazone, terbutaline. Mechanism: pharmacodynamic synergism. Minor/Significance Unknown. Additive hypokalemic effects.metoprololMonitor Closely (3)metoprolol increases effects of terbutaline by pharmacodynamic synergism. Use Caution/Monitor. metoprolol decreases effects of terbutaline by pharmacodynamic antagonism. Use Caution/Monitor. metoprolol increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.midazolamMonitor Closely (1)midazolam increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.midodrineMonitor Closely (2)terbutaline and midodrine both decrease sedation. Use Caution/Monitor. terbutaline and midodrine both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.mirtazapineMonitor Closely (1)mirtazapine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.modafinilMonitor Closely (1)terbutaline and modafinil both decrease sedation. Use Caution/Monitor.morphineMonitor Closely (1)morphine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.motherwortMonitor Closely (1)motherwort increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.moxonidineMonitor Closely (1)moxonidine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.nabiloneMonitor Closely (1)nabilone increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.nabumetoneMonitor Closely (1)nabumetone increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.nadololMonitor Closely (2)nadolol decreases effects of terbutaline by pharmacodynamic antagonism. Use Caution/Monitor. nadolol increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.nalbuphineMonitor Closely (1)nalbuphine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.naproxenMonitor Closely (1)naproxen increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.nebivololMonitor Closely (2)nebivolol decreases effects of terbutaline by pharmacodynamic antagonism. Use Caution/Monitor. nebivolol increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.noni juiceMinor (1)noni juice increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Minor/Significance Unknown.norepinephrineMonitor Closely (3)norepinephrine and terbutaline both decrease serum potassium. Use Caution/Monitor. norepinephrine and terbutaline both decrease sedation. Use Caution/Monitor. norepinephrine and terbutaline both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.nortriptylineMonitor Closely (1)nortriptyline increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.Serious - Use Alternative (1)nortriptyline, 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.olanzapineMonitor Closely (1)olanzapine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.olmesartanMonitor Closely (1)olmesartan increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.olodaterol inhaledMonitor Closely (1)terbutaline and olodaterol inhaled both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor. Caution with coadministration of adrenergic drugs by any route because of additive sympathetic effectsopium tinctureMonitor Closely (1)opium tincture increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.osilodrostatMonitor Closely (1)osilodrostat and terbutaline both increase QTc interval. Use Caution/Monitor.oxaprozinMonitor Closely (1)oxaprozin increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.oxazepamMonitor Closely (1)oxazepam increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.oxycodoneMonitor Closely (1)oxycodone increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.oxymorphoneMonitor Closely (1)oxymorphone increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.paliperidoneMonitor Closely (1)paliperidone increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.papaveretumMonitor Closely (1)papaveretum increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.parecoxibMonitor Closely (1)parecoxib increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.penbutololMonitor Closely (2)penbutolol decreases effects of terbutaline by pharmacodynamic antagonism. Use Caution/Monitor. penbutolol increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.pentazocineMonitor Closely (1)pentazocine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.pentobarbitalMonitor Closely (1)pentobarbital increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.perphenazineMonitor Closely (1)perphenazine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.phendimetrazineMonitor Closely (2)terbutaline and phendimetrazine both decrease sedation. Use Caution/Monitor. terbutaline and phendimetrazine both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.phenelzineSerious - Use Alternative (1)phenelzine increases effects of terbutaline by pharmacodynamic synergism. Contraindicated. Risk of acute hypertensive episode.phenobarbitalMonitor Closely (1)phenobarbital increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.phenoxybenzamineMonitor Closely (1)phenoxybenzamine, terbutaline. Mechanism: pharmacodynamic synergism. Use Caution/Monitor. Hypotension, tachycardia.phentermineMonitor Closely (2)terbutaline and phentermine both decrease sedation. Use Caution/Monitor. terbutaline and phentermine both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.phenylephrineMonitor Closely (2)terbutaline and phenylephrine both decrease sedation. Use Caution/Monitor. terbutaline and phenylephrine both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.phenylephrine POMonitor Closely (2)terbutaline and phenylephrine PO both decrease sedation. Use Caution/Monitor. terbutaline and phenylephrine PO both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.pholcodineMonitor Closely (1)pholcodine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.pimozideMonitor Closely (1)pimozide increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.pindololMonitor Closely (2)pindolol decreases effects of terbutaline by pharmacodynamic antagonism. Use Caution/Monitor. pindolol increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.pirbuterolMonitor Closely (3)pirbuterol and terbutaline both decrease serum potassium. Use Caution/Monitor. pirbuterol and terbutaline both decrease sedation. Use Caution/Monitor. pirbuterol and terbutaline both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.piroxicamMonitor Closely (1)piroxicam increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.potassium acid phosphateMonitor Closely (1)potassium acid phosphate increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Modify Therapy/Monitor Closely.potassium chlorideMonitor Closely (1)potassium chloride increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Modify Therapy/Monitor Closely.potassium citrateMonitor Closely (1)potassium citrate increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Modify Therapy/Monitor Closely.primidoneMonitor Closely (1)primidone increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.procarbazineMonitor Closely (1)procarbazine increases effects of terbutaline by pharmacodynamic synergism. Use Caution/Monitor.prochlorperazineMonitor Closely (1)prochlorperazine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.promethazineMonitor Closely (1)promethazine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.propranololMonitor Closely (2)propranolol decreases effects of terbutaline by pharmacodynamic antagonism. Use Caution/Monitor. propranolol increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.propylhexedrineMonitor Closely (2)terbutaline and propylhexedrine both decrease sedation. Use Caution/Monitor. terbutaline and propylhexedrine both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.protriptylineMonitor Closely (1)protriptyline increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.Serious - Use Alternative (1)protriptyline, 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.pseudoephedrineMonitor Closely (1)terbutaline and pseudoephedrine both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.quazepamMonitor Closely (1)quazepam increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.quetiapineMonitor Closely (1)quetiapine increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.risperidoneMonitor Closely (1)risperidone increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.sacubitril/valsartanMonitor Closely (1)sacubitril/valsartan increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.sageMinor (1)sage increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Minor/Significance Unknown.salicylates (non-asa)Monitor Closely (1)salicylates (non-asa) increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.salmeterolMonitor Closely (3)salmeterol and terbutaline both decrease serum potassium. Use Caution/Monitor. salmeterol and terbutaline both decrease sedation. Use Caution/Monitor. salmeterol and terbutaline both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.salsalateMonitor Closely (1)salsalate increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.scullcapMonitor Closely (1)scullcap increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.secobarbitalMonitor Closely (1)secobarbital increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.serdexmethylphenidate/dexmethylphenidateMonitor Closely (1)terbutaline and serdexmethylphenidate/dexmethylphenidate both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.shepherd's purseMonitor Closely (1)shepherd's purse increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.sodium sulfate/potassium chloride/magnesium sulfate/polyethylene glycolMonitor Closely (1)terbutaline and sodium sulfate/potassium chloride/magnesium sulfate/polyethylene glycol both decrease serum potassium. Modify Therapy/Monitor Closely.solriamfetolMonitor Closely (1)terbutaline and solriamfetol both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.sotalolMonitor Closely (2)sotalol decreases effects of terbutaline by pharmacodynamic antagonism. Use Caution/Monitor. sotalol increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.spironolactoneMonitor Closely (1)spironolactone increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Modify Therapy/Monitor Closely.succinylcholineMonitor Closely (1)succinylcholine increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.sufentanilMonitor Closely (1)sufentanil increases and terbutaline decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.sulfasalazineMonitor Closely (1)sulfasalazine increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.sulindacMonitor Closely (1)sulindac increases and terbutaline decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.tapentadolMonitor Closely (1)tapentadol increases and terbutaline decreases sedation. Effect of interaction is not