Acrivastine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Acrivastine.
Albuterol
The therapeutic efficacy of Salbutamol can be decreased when used in combination with Betahistine.
Alcaftadine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Alcaftadine.
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Amphetamine
The serum concentration of Betahistine can be increased when it is combined with Amphetamine.
Antazoline
The therapeutic efficacy of Betahistine can be decreased when used in combination with Antazoline.
Arbutamine
The therapeutic efficacy of Arbutamine can be decreased when used in combination with Betahistine.
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Arformoterol
The therapeutic efficacy of Arformoterol can be decreased when used in combination with Betahistine.
Astemizole
The therapeutic efficacy of Betahistine can be decreased when used in combination with Astemizole.
Azatadine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Azatadine.
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Azelastine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Azelastine.
Bambuterol
The therapeutic efficacy of Bambuterol can be decreased when used in combination with Betahistine.
Benztropine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Benzatropine.
Brompheniramine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Brompheniramine.
Buclizine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Buclizine.
Butyrate
The therapeutic efficacy of Betahistine can be decreased when used in combination with Butyric Acid.
Butyric Acid
The therapeutic efficacy of Betahistine can be decreased when used in combination with Butyric Acid.
Carbinoxamine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Carbinoxamine.
Celiprolol
The therapeutic efficacy of Celiprolol can be decreased when used in combination with Betahistine.
Cetirizine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Cetirizine.
Chloropyramine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Chloropyramine.
Chlorpheniramine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Chlorphenamine.
CHLORPHENIRAMINE POLISTIREX
The therapeutic efficacy of Betahistine can be decreased when used in combination with Chlorphenamine.
Chlorphenoxamine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Chlorphenoxamine.
Cimetidine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Cimetidine.
Cinnarizine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Cinnarizine.
Clemastine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Clemastine.
Clenbuterol
The therapeutic efficacy of Clenbuterol can be decreased when used in combination with Betahistine.
Cyclizine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Cyclizine.
Cyproheptadine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Cyproheptadine.
Desloratadine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Desloratadine.
Dexbrompheniramine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Dexbrompheniramine.
Dexchlorpheniramine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Dexchlorpheniramine.
Dexchlorpheniramine maleate
The therapeutic efficacy of Betahistine can be decreased when used in combination with Dexchlorpheniramine maleate.
Dimenhydrinate
The therapeutic efficacy of Betahistine can be decreased when used in combination with Dimenhydrinate.
Dimethindene
The therapeutic efficacy of Betahistine can be decreased when used in combination with Dimetindene.
Diphenhydramine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Diphenhydramine.
Dipivefrin
The therapeutic efficacy of Dipivefrin can be decreased when used in combination with Betahistine.
Dobutamine
The therapeutic efficacy of Dobutamine can be decreased when used in combination with Betahistine.
Doxepin
The therapeutic efficacy of Betahistine can be decreased when used in combination with Doxepin.
Doxylamine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Doxylamine.
Droxidopa
The therapeutic efficacy of Droxidopa can be decreased when used in combination with Betahistine.
Ebastine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Ebastine.
Emedastine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Emedastine.
Epinastine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Epinastine.
Epinephrine
The therapeutic efficacy of Epinephrine can be decreased when used in combination with Betahistine.
Famotidine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Famotidine.
Fenoterol
The therapeutic efficacy of Fenoterol can be decreased when used in combination with Betahistine.
Fexofenadine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Fexofenadine.
Flunarizine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Flunarizine.
Fonazine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Dimetotiazine.
Formoterol
The therapeutic efficacy of Formoterol can be decreased when used in combination with Betahistine.
Furazolidone
The serum concentration of Betahistine can be increased when it is combined with Furazolidone.
Hydroxyzine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Hydroxyzine.
Indacaterol
The therapeutic efficacy of Indacaterol can be decreased when used in combination with Betahistine.
Iproniazid
The serum concentration of Betahistine can be increased when it is combined with Iproniazid.
Isocarboxazid
The serum concentration of Betahistine can be increased when it is combined with Isocarboxazid.
Isoetharine
The therapeutic efficacy of Isoetarine can be decreased when used in combination with Betahistine.
Isoproterenol
The therapeutic efficacy of Isoprenaline can be decreased when used in combination with Betahistine.
Isothipendyl
The therapeutic efficacy of Betahistine can be decreased when used in combination with Isothipendyl.
Ketotifen
The therapeutic efficacy of Betahistine can be decreased when used in combination with Ketotifen.
Levalbuterol
The therapeutic efficacy of Levosalbutamol can be decreased when used in combination with Betahistine.
Levocabastine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Levocabastine.
Levocetirizine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Levocetirizine.
Lodoxamide
The therapeutic efficacy of Betahistine can be decreased when used in combination with Lodoxamide.
Loratadine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Loratadine.
Meclizine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Meclizine.
Mequitazine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Mequitazine.
Metaproterenol
The therapeutic efficacy of Orciprenaline can be decreased when used in combination with Betahistine.
Methapyrilene
The therapeutic efficacy of Betahistine can be decreased when used in combination with Methapyrilene.
Methylene blue
The serum concentration of Betahistine can be increased when it is combined with Methylene blue.
Mianserin
The therapeutic efficacy of Betahistine can be decreased when used in combination with Mianserin.
Minaprine
The serum concentration of Betahistine can be increased when it is combined with Minaprine.
Mirtazapine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Mirtazapine.
Mizolastine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Mizolastine.
Moclobemide
The serum concentration of Betahistine can be increased when it is combined with Moclobemide.
Nialamide
The serum concentration of Betahistine can be increased when it is combined with Nialamide.
Nizatidine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Nizatidine.
Norepinephrine
The therapeutic efficacy of Norepinephrine can be decreased when used in combination with Betahistine.
Olodaterol
The therapeutic efficacy of Olodaterol can be decreased when used in combination with Betahistine.
Olopatadine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Olopatadine.
Oxatomide
The therapeutic efficacy of Betahistine can be decreased when used in combination with Oxatomide.
Pargyline
The serum concentration of Betahistine can be increased when it is combined with Pargyline.
Pemirolast
The therapeutic efficacy of Betahistine can be decreased when used in combination with Pemirolast.
Phenelzine
The serum concentration of Betahistine can be increased when it is combined with Phenelzine.
Phenindamine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Phenindamine.
Pheniramine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Pheniramine.
Phenylpropanolamine
The therapeutic efficacy of Phenylpropanolamine can be decreased when used in combination with Betahistine.
Pirbuterol
The therapeutic efficacy of Pirbuterol can be decreased when used in combination with Betahistine.
Procarbazine
The serum concentration of Betahistine can be increased when it is combined with Procarbazine.
Procaterol
The therapeutic efficacy of Procaterol can be decreased when used in combination with Betahistine.
Prochlorperazine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Prochlorperazine.
Profenamine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Ethopropazine.
Promethazine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Promethazine.
Pyrilamine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Mepyramine.
Ranitidine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Ranitidine.
Rasagiline
The serum concentration of Betahistine can be increased when it is combined with Rasagiline.
Ritodrine
The therapeutic efficacy of Ritodrine can be decreased when used in combination with Betahistine.
Roxatidine Acetate
The therapeutic efficacy of Betahistine can be decreased when used in combination with Roxatidine acetate.
Salmeterol
The therapeutic efficacy of Salmeterol can be decreased when used in combination with Betahistine.
Selegiline
The serum concentration of Betahistine can be increased when it is combined with Selegiline.
Terbutaline
The therapeutic efficacy of Terbutaline can be decreased when used in combination with Betahistine.
Terbutaline Sulfate
The therapeutic efficacy of Terbutaline can be decreased when used in combination with Betahistine.
Terfenadine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Terfenadine.
Thonzylamine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Thonzylamine.
Toloxatone
The serum concentration of Betahistine can be increased when it is combined with Toloxatone.
Tranilast
The therapeutic efficacy of Betahistine can be decreased when used in combination with Tranilast.
Tranylcypromine
The serum concentration of Betahistine can be increased when it is combined with Tranylcypromine.
Trimeprazine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Alimemazine.
Tripelennamine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Tripelennamine.
Triprolidine
The therapeutic efficacy of Betahistine can be decreased when used in combination with Triprolidine.
Vilanterol
The therapeutic efficacy of Vilanterol can be decreased when used in combination with Betahistine.