Respiratory Agents

Medications affecting the lungs, airways, and breathing.

3 drugs in this class

Sub-classes

Bronchodilators(1)Anti-Asthmatics(1)Antihistamines(1)

Drugs in Respiratory Agents

Albuterol

Ventolin, ProAir, Proventil

Selective beta-2 adrenergic receptor agonist. Relaxes bronchial smooth muscle by activating adenylyl cyclase, increasing intracellular cAMP, leading to bronchodilation.

BronchodilatorsSmall Molecule

Indications: Bronchospasm in asthma, Exercise-induced bronchospasm prevention...

Montelukast

Singulair

FDA Approved

Leukotriene receptor antagonist used for asthma maintenance and allergic rhinitis.

Anti-AsthmaticsSmall Molecule

Indications: Chronic asthma (prophylaxis), Exercise-induced bronchospasm prevention...

Cetirizine

Zyrtec, Reactine, Alerid

OTC

Second-generation antihistamine used for allergic rhinitis and chronic urticaria with minimal sedation.

AntihistaminesSmall Molecule

Indications: Seasonal allergic rhinitis, Perennial allergic rhinitis...

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