ipratropium by pharmacodynamic synergism. Use Caution/Monitor. Additive anticholinergic effects, possible hypoglycemia.phendimetrazinealbuterol and phendimetrazine both decrease sedation. Use Caution/Monitor.albuterol and phendimetrazine both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.physostigminephysostigmine increases and ipratropium decreases cholinergic effects/transmission. Effect of interaction is not clear, use caution. Use Caution/Monitor.phenobarbitalphenobarbital increases and albuterol decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.phenoxybenzaminephenoxybenzamine, albuterol. Mechanism: pharmacodynamic synergism. Use Caution/Monitor. Hypotension, tachycardia.phenterminealbuterol and phentermine both decrease sedation. Use Caution/Monitor.albuterol and phentermine both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.phenylephrinealbuterol and phenylephrine both decrease sedation. Use Caution/Monitor.albuterol and phenylephrine both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.phenylephrine POalbuterol and phenylephrine PO both decrease sedation. Use Caution/Monitor.albuterol and phenylephrine PO both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.pholcodinepholcodine increases and albuterol decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.pilocarpinepilocarpine increases and ipratropium decreases cholinergic effects/transmission. Effect of interaction is not clear, use caution. Use Caution/Monitor.pimavanserinalbuterol and pimavanserin both increase QTc interval. Use Caution/Monitor.pimozidepimozide increases and albuterol decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.ipratropium decreases levels of pimozide by pharmacodynamic antagonism. Use Caution/Monitor.ipratropium decreases levels of pimozide by inhibition of GI absorption. Applies only to oral form of both agents. Use Caution/Monitor.pimozide increases effects of ipratropium by pharmacodynamic synergism. Use Caution/Monitor. Additive anticholinergic effects, possible hypoglycemia.pindololpindolol increases and albuterol decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.pindolol decreases effects of albuterol by pharmacodynamic antagonism. Use Caution/Monitor.pralidoximeipratropium and pralidoxime both decrease cholinergic effects/transmission. Use Caution/Monitor. Due to the poor systemic absorption of ipratropium, interaction unlikely at regularly recommended dosages.pirbuterolalbuterol and pirbuterol both decrease serum potassium. Use Caution/Monitor.albuterol and pirbuterol both decrease sedation. Use Caution/Monitor.albuterol and pirbuterol both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.piroxicampiroxicam increases and albuterol decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.pitolisantalbuterol and pitolisant both increase QTc interval. Use Caution/Monitor.ponesimodalbuterol and ponesimod both increase QTc interval. Use Caution/Monitor.posaconazolealbuterol and posaconazole both increase QTc interval. Use Caution/Monitor.potassium acid phosphatepotassium acid phosphate increases and albuterol decreases serum potassium. Effect of interaction is not clear, use caution. Modify Therapy/Monitor Closely.potassium chloridepotassium chloride increases and albuterol decreases serum potassium. Effect of interaction is not clear, use caution. Modify Therapy/Monitor Closely.primaquinealbuterol and primaquine both increase QTc interval. Use Caution/Monitor.primidoneprimidone increases and albuterol decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.procainamidealbuterol and procainamide both increase QTc interval. Use Caution/Monitor.procarbazineprocarbazine increases effects of albuterol by pharmacodynamic synergism. Use Caution/Monitor. Risk of acute hypertensive episode.prochlorperazineprochlorperazine increases effects of ipratropium by pharmacodynamic synergism. Use Caution/Monitor. Additive anticholinergic effects, possible hypoglycemia.ipratropium decreases levels of prochlorperazine by pharmacodynamic antagonism. Use Caution/Monitor.prochlorperazine increases and albuterol decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.ipratropium decreases levels of prochlorperazine by inhibition of GI absorption. Applies only to oral form of both agents. Use Caution/Monitor.promethazineipratropium decreases levels of promethazine by inhibition of GI absorption. Applies only to oral form of both agents. Use Caution/Monitor.ipratropium decreases levels of promethazine by pharmacodynamic antagonism. Use Caution/Monitor.promethazine increases effects of ipratropium by pharmacodynamic synergism. Use Caution/Monitor. Additive anticholinergic effects, possible hypoglycemia.promethazine increases and albuterol decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.propafenonealbuterol and propafenone both increase QTc interval. Use Caution/Monitor.propanthelineipratropium and propantheline both decrease cholinergic effects/transmission. Use Caution/Monitor. Due to the poor systemic absorption of ipratropium, interaction unlikely at regularly recommended dosages.propranololpropranolol increases and albuterol decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.propranolol decreases effects of albuterol by pharmacodynamic antagonism. Use Caution/Monitor.propylhexedrinealbuterol and propylhexedrine both decrease sedation. Use Caution/Monitor.albuterol and propylhexedrine both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.protriptylineprotriptyline increases and albuterol decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.albuterol and protriptyline both increase QTc interval. Use Caution/Monitor.ipratropium and protriptyline both decrease cholinergic effects/transmission. Use Caution/Monitor.pseudoephedrinealbuterol and pseudoephedrine both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.pyridostigminepyridostigmine increases and ipratropium decreases cholinergic effects/transmission. Effect of interaction is not clear, use caution. Use Caution/Monitor.quazepamquazepam increases and albuterol decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.quetiapineipratropium decreases levels of quetiapine by inhibition of GI absorption. Applies only to oral form of both agents. Use Caution/Monitor.quetiapine increases effects of ipratropium by pharmacodynamic synergism. Use Caution/Monitor. Additive anticholinergic effects, possible hypoglycemia.albuterol and quetiapine both increase QTc interval. Use Caution/Monitor.quetiapine increases and albuterol decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.ipratropium decreases levels of quetiapine by pharmacodynamic antagonism. Use Caution/Monitor.quinidinealbuterol and quinidine both increase QTc interval. Use Caution/Monitor.rapacuroniumipratropium and rapacuronium both decrease cholinergic effects/transmission. Use Caution/Monitor.quininealbuterol and quinine both increase QTc interval. Use Caution/Monitor.ranolazinealbuterol and ranolazine both increase QTc interval. Use Caution/Monitor.ribociclibalbuterol and ribociclib both increase QTc interval. Use Caution/Monitor.rilpivirinealbuterol and rilpivirine both increase QTc interval. Use Caution/Monitor.risperidonealbuterol and risperidone both increase QTc interval. Use Caution/Monitor.risperidone increases effects of ipratropium by pharmacodynamic synergism. Use Caution/Monitor. Additive anticholinergic effects, possible hypoglycemia.risperidone increases and albuterol decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.rocuroniumipratropium and rocuronium both decrease cholinergic effects/transmission. Use Caution/Monitor.romidepsinalbuterol and romidepsin both increase QTc interval. Use Caution/Monitor.sacubitril/valsartansacubitril/valsartan increases and albuterol decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.salicylates (non-asa)salicylates (non-asa) increases and albuterol decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.salmeterolalbuterol and salmeterol both decrease serum potassium. Use Caution/Monitor.albuterol and salmeterol both decrease sedation. Use Caution/Monitor.albuterol and salmeterol both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.salsalatesalsalate increases and albuterol decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.saquinaviralbuterol and saquinavir both increase QTc interval. Use Caution/Monitor.scopolamineipratropium and scopolamine both decrease cholinergic effects/transmission. Use Caution/Monitor. Due to the poor systemic absorption of ipratropium, interaction unlikely at regularly recommended dosages.scullcapscullcap increases and albuterol decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.secobarbitalsecobarbital increases and albuterol decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.selpercatinibalbuterol and selpercatinib both increase QTc interval. Use Caution/Monitor.serdexmethylphenidate/dexmethylphenidatealbuterol and serdexmethylphenidate/dexmethylphenidate both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.sertralinealbuterol and sertraline both increase QTc interval. Use Caution/Monitor.sevofluranealbuterol and sevoflurane both increase QTc interval. Use Caution/Monitor.shepherd's purseshepherd's purse increases and albuterol decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.siponimodalbuterol and siponimod both increase QTc interval. Use Caution/Monitor.sodium sulfate/potassium chloride/magnesium sulfate/polyethylene glycolalbuterol and sodium sulfate/potassium chloride/magnesium sulfate/polyethylene glycol both decrease serum potassium. Modify Therapy/Monitor Closely.solifenacinipratropium and solifenacin both decrease cholinergic effects/transmission. Use Caution/Monitor. Due to the poor systemic absorption of ipratropium, interaction unlikely at regularly recommended dosages.albuterol and solifenacin both increase QTc interval. Use Caution/Monitor.solriamfetolalbuterol and solriamfetol both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.succinylcholinesuccinylcholine increases and ipratropium decreases cholinergic effects/transmission. Effect of interaction is not clear, use caution. Use Caution/Monitor.sorafenibalbuterol and sorafenib both increase QTc interval. Use Caution/Monitor.sotalolsotalol increases and albuterol decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.sotalol decreases effects of albuterol by pharmacodynamic antagonism. Use Caution/Monitor.albuterol and sotalol both increase QTc interval. Use Caution/Monitor.spironolactonespironolactone increases and albuterol decreases serum potassium. Effect of interaction is not clear, use caution. Modify Therapy/Monitor Closely.succinylcholinesuccinylcholine increases and albuterol decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.sufentanilsufentanil increases and albuterol decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.sulfasalazinesulfasalazine increases and albuterol decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.sulindacsulindac increases and albuterol decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.sunitinibalbuterol and sunitinib both increase QTc interval. Use Caution/Monitor.tacrolimusalbuterol and tacrolimus both increase QTc interval. Use Caution/Monitor.tapentadoltapentadol increases and albuterol decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.telavancinalbuterol and telavancin both increase QTc interval. Use Caution/Monitor.temazepamtemazepam increases and albuterol decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.terbutalinealbuterol and terbutaline both decrease serum potassium. Use Caution/Monitor.albuterol and terbutaline both decrease sedation. Use Caution/Monitor.albuterol and terbutaline both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.tetrabenazinealbuterol and tetrabenazine both increase QTc interval. Use Caution/Monitor.thioridazinethioridazine increases effects of ipratropium by pharmacodynamic synergism. Use Caution/Monitor. Additive anticholinergic effects, possible hypoglycemia.ipratropium decreases levels of thioridazine by inhibition of GI absorption. Applies only to oral form of both agents. Use Caution/Monitor.thioridazine increases and albuterol decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.ipratropium decreases levels of thioridazine by pharmacodynamic antagonism. Use Caution/Monitor.thiothixenethiothixene increases effects of ipratropium by pharmacodynamic synergism. Use Caution/Monitor. Additive anticholinergic effects, possible hypoglycemia.ipratropium decreases levels of thiothixene by pharmacodynamic antagonism. Use Caution/Monitor.thiothixene increases and albuterol decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.ipratropium decreases levels of thiothixene by inhibition of GI absorption. Applies only to oral form of both agents. Use Caution/Monitor.timololtimolol increases and albuterol decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.timolol decreases effects of albuterol by pharmacodynamic antagonism. Use Caution/Monitor.tiotropiumipratropium and tiotropium both decrease cholinergic effects/transmission. Use Caution/Monitor. Due to the poor systemic absorption of ipratropium, interaction unlikely at regularly recommended dosages.tolfenamic acidtolfenamic acid increases and albuterol decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.tolmetintolmetin increases and albuterol decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.tolterodineipratropium and tolterodine both decrease cholinergic effects/transmission. Use Caution/Monitor. Due to the poor systemic absorption of ipratropium, interaction unlikely at regularly recommended dosages.tolvaptantolvaptan increases and albuterol decreases serum potassium. Effect of interaction is not clear, use caution. Use Caution/Monitor.topiramatetopiramate increases and albuterol decreases sedation. Effect of interaction is not clear, use caution. Modify Therapy/Monitor Closely.toremifenealbuterol and toremifene both increase QTc interval. Use Caution/Monitor.torsemidealbuterol and torsemide both decrease serum potassium. Use Caution/Monitor.tramadoltramadol increases and albuterol decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.trazodonetrazodone increases and albuterol decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.albuterol and trazodone both increase QTc interval. Use Caution/Monitor.ipratropium and trazodone both decrease cholinergic effects/transmission. Use Caution/Monitor.triamterenetriamterene increases and albuterol decreases serum potassium. Effect of interaction is not clear, use caution. Modify Therapy/Monitor Closely.trifluoperazineipratropium decreases levels of trifluoperazine by inhibition of GI absorption. Applies only to oral form of both agents. Use Caution/Monitor.ipratropium decreases levels of trifluoperazine by pharmacodynamic antagonism. Use Caution/Monitor.trifluoperazine increases effects of ipratropium by pharmacodynamic synergism. Use Caution/Monitor. Additive anticholinergic effects, possible hypoglycemia.triazolamtriazolam increases and albuterol decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.triclabendazolealbuterol and triclabendazole both increase QTc interval. Use Caution/Monitor.triclofostriclofos increases and albuterol decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.trifluoperazinetrifluoperazine increases and albuterol decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.trihexyphenidylipratropium and trihexyphenidyl both decrease cholinergic effects/transmission. Use Caution/Monitor. Potential for additive anticholinergic effects.trimipraminealbuterol and trimipramine both increase QTc interval. Use Caution/Monitor.trimipramine increases and albuterol decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.ipratropium and trimipramine both decrease cholinergic effects/transmission. Use Caution/Monitor. Due to the poor systemic absorption of ipratropium, interaction unlikely at regularly recommended dosages.triprolidinetriprolidine increases and albuterol decreases sedation. Effect of interaction is not clear, use caution. Use Caution/Monitor.trospium chlorideipratropium and trospium chloride both decrease cholinergic effects/transmission. Use Caution/Monitor. Due to the poor systemic absorption of ipratropium, interaction unlikely at regularly recommended dosages.triptorelinalbuterol and triptorelin both increase QTc interval. Use Caution/Monitor.umeclidinium bromideumeclidinium bromide and ipratropium both decrease cholinergic effects/transmission. Use Caution/Monitor. If possible, avoid coadministration of additional anticholinergic agents valbenazinevalbenazine and albuterol both increase QTc interval. Use Caution/Monitor.vandetanibalbuterol and vandetanib both increase QTc interval. Use Caution/Monitor.vardenafilalbuterol and vardenafil both increase QTc interval. Use Caution/Monitor.vecuroniumipratropium and vecuronium both decrease cholinergic effects/transmission. Use Caution/Monitor. Due to the poor systemic absorption of ipratropium, interaction unlikely at regularly recommended dosages.vemurafenibalbuterol and vemurafenib both increase QTc interval. Use Caution/Monitor.voclosporinalbuterol and voclosporin both increase QTc interval. Use Caution/Monitor.voriconazolealbuterol and voriconazole both increase QTc interval. Use Caution/Monitor.vorinostatalbuterol and vorinostat both increase QTc interval. Use Caution/Monitor.xylometazolinealbuterol and xylometazoline both decrease sedation. Use Caution/Monitor.albuterol and xylometazoline both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate. Use Caution/Monitor.yohimbinealbuterol and yohimbine both decrease sedation. Use Caution/Monitor.albuterol and yohimbine both increase sympathetic (adrenergic) effects, including increased blood pressure and heart rate.