Respiratory System

Drugs affecting the lungs, airways, and breathing.

45 drugs target this system

Drugs Targeting Respiratory System

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...

Azithromycin

Zithromax, Z-Pack, Azithrocin

FDA Approved

Macrolide antibiotic effective against a broad range of bacterial infections including respiratory, skin, and sexually transmitted infections.

MacrolidesSmall Molecule

Indications: Community-acquired pneumonia, Acute bacterial sinusitis...

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