cetdex syrup - Cetirizine (5mg) + Dextromethorphan Hydrobromide (10mg) medicine

cetdex syrup

4.5 (18 reviews)
๐Ÿญ Digmedi Pvt Ltd ๐Ÿ“ฆ Varies by brand ๐Ÿ’Š Allopathy ๐Ÿ“… Updated: Aug 22, 2026
๐Ÿ“‹ Prescription Required ๐Ÿ’Š Generic Available
Medically Reviewed
SaathiMed Expert Panel | Aug 22, 2026

What is cetdex syrup used for?

Alkof Syrup (Cetirizine + Dextromethorphan Hydrobromide) is used to treat RESPIRATORY. It contains Cetirizine (5mg) + Dextromethorphan Hydrobromide (10mg), which Cetirizine: selective H1-receptor antagonist; Dextromethorphan: NMDA receptor an. Always consult your doctor before use. Take as prescribed.

  • Generic Name: Cetirizine + Dextromethorphan Hydrobromide
  • Manufacturer: Digmedi Pvt Ltd
  • Form: Allopathy
  • Pregnancy Category: A
  • Prescription Required: Yes
๐Ÿ’ก Did You Know? Over 80% of the antiretroviral drugs used globally to combat AIDS are supplied by Indian pharmaceutical companies.

๐Ÿ’Š cetdex syrup Uses & Benefits

Allergic rhinitis, cough suppression

Off-label uses: Chronic urticaria, nocturnal cough

๐Ÿ“‹ Drug Information

Generic Name(s)Cetirizine + Dextromethorphan Hydrobromide
Brand NameAlkof Syrup
ManufacturerDigmedi Pvt Ltd
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassRESPIRATORY
Action ClassAntihistamine + Antitussive
Route of AdministrationOral
StorageStore at room temperature (20-25ยฐC), protect from light
Shelf LifeAs per manufacturer

๐Ÿ”ฌ Pharmacology (PK/PD)

Pharmacokinetics

AbsorptionRapidly absorbed from gastrointestinal tract
DistributionDistributed throughout body; crosses blood-brain barrier
Protein BindingCetirizine: 93%; Dextromethorphan: ~70%
MetabolismCetirizine: minimal hepatic; Dextromethorphan: hepatic via CYP2D6
Half-LifeCetirizine: 8-11 hours; Dextromethorphan: 3-6 hours
ExcretionCetirizine: primarily renal; Dextromethorphan: renal
BioavailabilityCetirizine: ~70%; Dextromethorphan: ~11%
Onset of ActionCetirizine: 1 hour; Dextromethorphan: 15-30 minutes
Peak Plasma TimeCetirizine: 1 hour; Dextromethorphan: 2.5 hours
Duration of ActionCetirizine: 24 hours; Dextromethorphan: 4-6 hours

How It Works

Cetirizine: selective H1-receptor antagonist; Dextromethorphan: NMDA receptor antagonist and sigma-1 agonist

Mechanism Steps

1Cetirizine selectively blocks peripheral H1 receptors, reducing histamine-mediated allergic symptoms
2Dextromethorphan acts on NMDA receptors and sigma-1 receptors in the cough center, suppressing cough reflex

๐Ÿ’ก How to Take cetdex syrup

Follow your doctor's prescription exactly.

โš ๏ธ Side Effects of cetdex syrup

โœ… Common Side Effects

  • Drowsiness
  • Dry mouth
  • Fatigue
  • Dizziness
  • Nausea

๐Ÿšจ Serious Side Effects

  • Respiratory depression
  • Serotonin syndrome
  • Severe allergic reaction

โš ๏ธ Rare Side Effects

  • Hepatotoxicity
  • Arrhythmias
  • Seizures

Consult your doctor if you experience any unusual symptoms.

๐Ÿ”ฌ Drug Interactions

โš ๏ธ DrugSeverityEffect
MAOIs Major Hypertensive crisis, serotonin syndrome
CYP2D6 inhibitors Major Increased dextromethorphan toxicity
CNS depressants Major Additive sedation and respiratory depression
Alcohol Moderate Enhanced sedation and impaired coordination
Sedatives Moderate Additive CNS depression
Anticholinergics Moderate Increased anticholinergic effects
Cimetidine Minor Slight increase in cetirizine levels
Ritonavir Minor Possible increase in dextromethorphan levels

๐Ÿšจ Major Interactions

  • MAOIs
  • CYP2D6 inhibitors
  • CNS depressants

โšก Moderate Interactions

  • Alcohol
  • Sedatives
  • Anticholinergics

โ„น๏ธ Minor Interactions

  • Cimetidine
  • Ritonavir

๐Ÿฝ๏ธ Food Interactions

Grapefruit juice may increase dextromethorphan levels

๐Ÿท Alcohol Interaction

Increased CNS depression and sedation

๐Ÿ›ก๏ธ Safety & Warnings

๐Ÿšซ Contraindications

Hypersensitivity, MAOI use within 14 days, severe hypertension, narrow-angle glaucoma

๐Ÿ“Š Monitoring Parameters

Sedation, respiratory rate, blood pressure, liver function

๐Ÿคฑ Lactation Safety

Use with caution; small amounts excreted in breast milk

๐Ÿ’Š Overdose Management

Supportive care; activated charcoal; consider naloxone for respiratory depression

โฐ Missed Dose

Take as soon as remembered; skip if near next dose; do not double

๐Ÿ‘จโ€โš•๏ธ Reviewed by Expert

SaathiMed Expert Panel

MD, PhD - Pharmacology

Last reviewed on: Aug 22, 2026

๐Ÿ”— View Profile

โญ User Reviews

Regular Customer Jul 10, 2026

Found this to be a helpful product. Good results.

Trusted Reviewer Jul 10, 2026

Effective and reliable. Worked as expected.

Verified User Jul 10, 2026

Found this to be a helpful product. Good results.

Happy Patient Jul 10, 2026

Good quality medicine. Satisfied with the outcome.

Verified User Jul 10, 2026

Effective and reliable. Worked as expected.

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