coldifen tablet - Fexofenadine (60mg) + Phenylephrine (10mg) medicine

coldifen tablet - Uses, Price, Side Effects & Substitutes

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๐Ÿญ Dharam Lifesciences ๐Ÿ“ฆ Varies by brand ๐Ÿ’Š Allopathy ๐Ÿ“… Updated: Jun 27, 2026
๐Ÿ“‹ Prescription Required ๐Ÿ’Š Generic Available
Medically Reviewed
Dr. SaathiMed Expert Panel | Jun 27, 2026

What is coldifen tablet used for?

Coldifen Tablet (Fexofenadine + Phenylephrine) is used to treat RESPIRATORY. It contains Fexofenadine (60mg) + Phenylephrine (10mg), which Fexofenadine is a peripheral H1-receptor antagonist; Phenylephrine is a selectiv. Always consult your doctor before use. Take as prescribed.

  • Generic Name: Fexofenadine + Phenylephrine
  • Manufacturer: Dharam Lifesciences
  • Form: Allopathy
  • Pregnancy Category: C
  • Prescription Required: Yes
๐Ÿ’ก Did You Know? The first generic medicine was introduced in India in 1970 after the Patents Act was amended.

๐Ÿ’Š coldifen tablet Uses & Benefits

Symptomatic relief of allergic rhinitis and common cold symptoms (nasal congestion, sneezing, rhinorrhea).

Off-label uses: None well-established.

๐Ÿ“‹ Drug Information

Generic Name(s)Fexofenadine + Phenylephrine
Brand NameColdifen Tablet
ManufacturerDharam Lifesciences
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassRESPIRATORY
Action ClassAntihistamine + Decongestant
Route of AdministrationOral
StorageStore at room temperature (20-25ยฐC), protect from light and moisture.
Shelf LifeAs per manufacturer

๐Ÿ”ฌ Pharmacology (PK/PD)

Pharmacokinetics

AbsorptionFexofenadine is rapidly absorbed; Phenylephrine is variably absorbed after oral administration.
DistributionFexofenadine: 60-70% protein bound; Phenylephrine: minimal protein binding.
Protein BindingFexofenadine: 60-70%; Phenylephrine: negligible.
MetabolismFexofenadine: minimally metabolized; Phenylephrine: metabolized by MAO and sulfation.
Half-LifeFexofenadine: 14.4 hours; Phenylephrine: 2-3 hours.
ExcretionFexofenadine: primarily fecal (80%) and renal (11%); Phenylephrine: renal.
BioavailabilityFexofenadine: 33%; Phenylephrine: ~38%.
Onset of ActionFexofenadine: 1-2 hours; Phenylephrine: 15-30 minutes.
Peak Plasma TimeFexofenadine: 2-3 hours; Phenylephrine: 1-2 hours.
Duration of ActionFexofenadine: 24 hours; Phenylephrine: 4-6 hours.

How It Works

Fexofenadine is a peripheral H1-receptor antagonist; Phenylephrine is a selective alpha-1 adrenergic receptor agonist.

Mechanism Steps

1Fexofenadine competitively blocks H1 receptors on effector cells, preventing histamine-mediated allergic responses.
2Phenylephrine selectively stimulates alpha-1 adrenergic receptors in vascular smooth muscle, causing vasoconstriction.
3Vasoconstriction reduces nasal mucosal blood flow, decreasing congestion and edema.

๐Ÿ’ก How to Take coldifen tablet

Follow your doctor's prescription exactly.

โš ๏ธ Side Effects of coldifen tablet

โœ… Common Side Effects

  • Headache
  • Dizziness
  • Dry mouth
  • Nausea
  • Insomnia
  • Nervousness

๐Ÿšจ Serious Side Effects

  • Hypertension
  • Palpitations
  • Tachycardia
  • Allergic reactions
  • Urinary retention

โš ๏ธ Rare Side Effects

  • Hypersensitivity reactions
  • Arrhythmias
  • Seizures

Consult your doctor if you experience any unusual symptoms.

๐Ÿ”ฌ Drug Interactions

โš ๏ธ DrugSeverityEffect
MAOIs Major Hypertensive crisis
Beta-blockers Moderate Reduced efficacy of phenylephrine
Antacids Minor Decreased fexofenadine absorption

๐Ÿšจ Major Interactions

  • MAOIs
  • Rasagiline
  • Selegiline
  • Linezolid
  • Methylene Blue

โšก Moderate Interactions

  • Beta-blockers
  • Tricyclic antidepressants
  • Sympathomimetics
  • Ergot alkaloids

โ„น๏ธ Minor Interactions

  • Antacids
  • Fruit juices (grapefruit, apple, orange)

๐Ÿฝ๏ธ Food Interactions

Fruit juices (grapefruit, apple, orange) may decrease fexofenadine absorption; avoid taking with fruit juices.

๐Ÿท Alcohol Interaction

Alcohol may increase CNS depression; avoid concurrent use.

๐Ÿ›ก๏ธ Safety & Warnings

๐Ÿšซ Contraindications

Hypersensitivity, severe hypertension, coronary artery disease, MAOI use within 14 days, narrow-angle glaucoma, urinary retention.

๐Ÿ“Š Monitoring Parameters

Blood pressure, heart rate, symptom relief, CNS effects.

๐Ÿคฑ Lactation Safety

Caution; fexofenadine excreted in breast milk, phenylephrine unknown.

๐Ÿ’Š Overdose Management

Supportive care; for fexofenadine: sedation, dizziness; for phenylephrine: hypertension, bradycardia. Treat symptomatically.

โฐ Missed Dose

Take as soon as remembered; if near next dose, skip missed dose. Do not double dose.

๐Ÿ‘จโ€โš•๏ธ Reviewed by Expert

Dr. SaathiMed Expert Panel

MD, PhD - Pharmacology

Reviewed: Jun 27, 2026

๐Ÿ”— View Profile

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