VPT 311: General and Systemic Veterinary Pharmacology (2+1)

DECONGESTANTS

• Two major categories of drugs used as decongestants are the H₁ antagonists and sympathomimetic drugs like ephedrine, pseudoephedrine and phenylephrine.
• The alpha adrenoceptor agonists cause shrinkage of the swollen mucosa of the nasal tract in allergic or viral rhinitis
• Examples are oxymetazoline, xylometazoline etc.