Epidrin Cap Excellium: Cetirizine-Pseudoephedrine Combo for Allergies - Uses, Dosage, and Side Effects

Epidrin Cap Excellium is a fixed‑dose combination of cetirizine hydrochloride 5 mg (second‑gen antihistamine) + pseudoephedrine hydrochloride 120 mg (decongestant).

Indications

• Seasonal/perennial allergic rhinitis (hay fever)
• Nasal congestion from common cold
• Symptoms: sneezing, rhinorrhea, itchy eyes/nose/throat, sinus pressure

Mechanism

• Cetirizine: H₁‑receptor antagonist → blocks histamine effects.
• Pseudoephedrine: α‑adrenergic agonist → vasoconstricts nasal mucosa → reduces edema/congestion.

Dosage (Adults and Children ≥12 yrs)

• 1 capsule every 12 hours (max 2/day).
• Swallow whole; do not crush/chew (extended‑release pseudoephedrine).
• Onset ~1 hour; duration ~24 hours.

Contraindications and Cautions

• MAOI use (past 14 days)
• Severe hypertension, coronary artery disease
• Angle‑closure glaucoma, urinary retention
• Hyperthyroidism
• Pregnancy (category C); breastfeeding – pseudoephedrine reduces milk supply.

Common Side Effects

• Insomnia, nervousness, dry mouth, headache, dizziness
• Elevated BP/HR (monitor if hypertensive)

Drug Interactions

• Other sympathomimetics, MAOIs, beta‑blockers, digoxin.
• Alcohol may increase sedation (cetirizine minimally sedating).

Use only as directed; consult pharmacist/physician if chronic conditions exist.