codistar-dx cough syrup - Chlorpheniramine Maleate (4mg/5ml) + Dextromethorphan Hydrobromide (10mg/5ml) medicine

codistar-dx cough syrup - Uses, Price, Side Effects & Substitutes

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๐Ÿญ Mankind Pharma Ltd ๐Ÿ“ฆ Varies by brand ๐Ÿ’Š Allopathy ๐Ÿ“… Updated: Jun 23, 2026
๐Ÿคฐ Pregnancy Category C ๐Ÿ“‹ Prescription Required ๐Ÿ’Š Generic Available
Medically Reviewed
Dr. SaathiMed Expert Panel | Jun 23, 2026

What is codistar-dx cough syrup used for?

Alex Junior Syrup (Chlorpheniramine Maleate + Dextromethorphan Hydrobromide) is used to treat RESPIRATORY. It contains Chlorpheniramine Maleate (4mg/5ml) + Dextromethorphan Hydrobromide (10mg/5ml), which Chlorpheniramine: H1-receptor antagonist; Dextromethorphan: NMDA receptor antago. Always consult your doctor before use. Take as prescribed.

  • Generic Name: Chlorpheniramine Maleate + Dextromethorphan Hydrobromide
  • Manufacturer: Mankind Pharma Ltd
  • Form: Allopathy
  • Pregnancy Category: C
  • Prescription Required: Yes
๐Ÿ’ก Did You Know? The Indian pharmaceutical market is expected to reach $130 billion by 2030.

๐Ÿ’Š codistar-dx cough syrup Uses & Benefits

Allergic rhinitis, cough due to cold or allergies

Off-label uses: Urticaria, pruritus, motion sickness (chlorpheniramine); neuropathic pain (dextromethorphan)

๐Ÿ“‹ Drug Information

Generic Name(s)Chlorpheniramine Maleate + Dextromethorphan Hydrobromide
Brand NameAlex Junior Syrup
ManufacturerMankind Pharma 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

AbsorptionWell absorbed orally
DistributionDistributed throughout body; crosses blood-brain barrier
Protein BindingChlorpheniramine: ~72%; Dextromethorphan: ~60-70%
MetabolismHepatic via CYP2D6 (dextromethorphan) and other pathways
Half-LifeChlorpheniramine: 14-25 hours; Dextromethorphan: 3-6 hours
ExcretionRenal (urine) as metabolites
BioavailabilityChlorpheniramine: ~25-50%; Dextromethorphan: ~11%
Onset of ActionChlorpheniramine: 30-60 min; Dextromethorphan: 15-30 min
Peak Plasma TimeChlorpheniramine: 2-6 hours; Dextromethorphan: 2-2.5 hours
Duration of ActionChlorpheniramine: 4-6 hours; Dextromethorphan: 4-6 hours

How It Works

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

Mechanism Steps

1Chlorpheniramine competitively blocks H1 receptors, preventing histamine-mediated effects
2Dextromethorphan acts as a non-competitive NMDA receptor antagonist, reducing cough reflex
3Dextromethorphan also binds to sigma-1 receptors, contributing to antitussive effect

๐Ÿ’ก How to Take codistar-dx cough syrup

Follow your doctor's prescription exactly.

โš ๏ธ Side Effects of codistar-dx cough syrup

โœ… Common Side Effects

  • Drowsiness
  • Dry mouth
  • Dizziness
  • Nausea

๐Ÿšจ Serious Side Effects

  • Respiratory depression
  • Serotonin syndrome
  • Seizures
  • QT prolongation

โš ๏ธ Rare Side Effects

  • Hypotension
  • Allergic reactions
  • Urinary retention
  • Blurred vision

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 levels, toxicity
CNS depressants Major Additive sedation, respiratory depression
Anticholinergics Moderate Additive anticholinergic effects
SSRIs Moderate Serotonin syndrome risk
Alcohol Minor Increased sedation

๐Ÿšจ Major Interactions

  • MAOIs
  • CYP2D6 inhibitors
  • CNS depressants

โšก Moderate Interactions

  • Anticholinergics
  • SSRIs
  • SNRIs

โ„น๏ธ Minor Interactions

  • Alcohol
  • Caffeine

๐Ÿฝ๏ธ Food Interactions

Grapefruit juice may increase dextromethorphan levels

๐Ÿท Alcohol Interaction

Increased CNS depression

๐Ÿ›ก๏ธ Safety & Warnings

๐Ÿšซ Contraindications

Hypersensitivity, MAOI use within 14 days, asthma attack, severe hypertension

๐Ÿ“Š Monitoring Parameters

CNS depression, respiratory rate, blood pressure, heart rate

๐Ÿคฑ Lactation Safety

Use with caution; may pass into breast milk

๐Ÿ’Š Overdose Management

Gastric lavage, activated charcoal, supportive care; naloxone may reverse dextromethorphan effects

โฐ Missed Dose

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

๐Ÿ‘จโ€โš•๏ธ Reviewed by Expert

Dr. SaathiMed Expert Panel

MD, PhD - Pharmacology

Reviewed: Jun 23, 2026

๐Ÿ”— View Profile

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