Zenifexo 180mg Tablet 10s

Side Effects of Zenifexo 180mg Tablet 10s

Viral infection (cold/flu); headache, dizziness, drowsiness, fatigue; nausea, dyspepsia, dysmenorrhoea.

Drug Interactions

Co-admin with ketoconazole or erythromycin may increase plasma levels of fexofenadine. May increase adverse effects of other anticholinergics and CNS depressants. May increase arrhythmogenic effect of antipsychotic agents (phenothiazines); avoid concurrent usage. May reduce the efficacy of betahistine. Pramlintide may increase the anticholinergic effect of fexofenadine. Bioavailability may be increased by verapamil. Efficacy may be reduced by rifampin.

Contraindications

Hypersensitivity.

Mechanism of Action

Fexofenadine, an active metabolite of terfenadine, is a competitive peripheral histamine H1-receptor antagonist on effector cells in the GI tract, blood vessels and respiratory tract. Absorption: Absorbed rapidly from the GI tract (oral); peak plasma concentrations after 2-3 hr. Distribution: Enters breast milk. 60-70% bound to plasma proteins. Metabolism: Intestinal mucosa (5% of total dose); hepatic (0.5-1.5% of dose). Excretion: Mainly via faeces, via urine (10% of dose); 14 hr (elimination half-life; may be prolonged in renal impairment).

Special Precautions

Renal impairment. Pregnancy, lactation; children <6 yr.

How to Use

Take orally with food and water, as directed by your physician.

How to Store

Keep in a cool, dry place away from sunlight and moisture.

Safety Concerns

• Alcohol: Avoid during treatment.
• Breastfeeding: Not recommended.
• Pregnancy: Contraindicated.
• Liver/Kidney: Use with caution.

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