doxopil 400mg tablet - Doxofylline (400mg) medicine

doxopil 400mg tablet

4.7 (10 reviews)
๐Ÿญ Psychotropics India 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 doxopil 400mg tablet used for?

Amril Plus 400mg Tablet (Doxofylline) is used to treat RESPIRATORY. It contains Doxofylline (400mg), which Inhibits phosphodiesterase (PDE) enzymes, leading to increased intracellular cAM. Always consult your doctor before use. Take as prescribed.

  • Generic Name: Doxofylline
  • Manufacturer: Psychotropics India Ltd
  • 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 doxopil 400mg tablet Uses & Benefits

Bronchial asthma, chronic obstructive pulmonary disease (COPD), chronic bronchitis

Off-label uses: None established

๐Ÿ“‹ Drug Information

Generic Name(s)Doxofylline
Brand NameAmril Plus 400mg Tablet
ManufacturerPsychotropics India Ltd
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassRESPIRATORY
Action ClassTheophylline & its derivatives
Route of AdministrationOral
StorageStore at room temperature (20-25ยฐC), protect from light and moisture
Shelf LifeAs per manufacturer

๐Ÿ”ฌ Pharmacology (PK/PD)

Pharmacokinetics

AbsorptionRapidly absorbed after oral administration
DistributionWidely distributed in body tissues
Protein BindingApproximately 50%
MetabolismHepatic metabolism via CYP450 enzymes
Half-Life6-8 hours
ExcretionRenal excretion (primarily as metabolites)
Bioavailability60-70%
Onset of Action30-60 minutes
Peak Plasma Time1-2 hours
Duration of Action12 hours

How It Works

Inhibits phosphodiesterase (PDE) enzymes, leading to increased intracellular cAMP and cGMP, resulting in bronchodilation and anti-inflammatory effects

Mechanism Steps

1Doxofylline enters bronchial smooth muscle cells
2Inhibits phosphodiesterase (PDE) enzymes, especially PDE4
3Prevents breakdown of intracellular cAMP and cGMP

๐Ÿ’ก How to Take doxopil 400mg tablet

Follow your doctor's prescription exactly.

โš ๏ธ Side Effects of doxopil 400mg tablet

โœ… Common Side Effects

  • Nausea
  • Vomiting
  • Headache
  • Insomnia
  • Dizziness
  • Tachycardia

๐Ÿšจ Serious Side Effects

  • Seizures
  • Arrhythmias
  • Severe hypotension
  • Hypersensitivity reactions

โš ๏ธ Rare Side Effects

  • Hepatotoxicity
  • Nephrotoxicity
  • Thrombocytopenia

Consult your doctor if you experience any unusual symptoms.

๐Ÿ”ฌ Drug Interactions

โš ๏ธ DrugSeverityEffect
Theophylline Major Increased risk of toxicity
Cimetidine Major Reduced clearance of doxofylline
Ciprofloxacin Major Increased doxofylline levels
Erythromycin Major Increased doxofylline levels
Fluvoxamine Major Increased doxofylline levels
Lithium Moderate Increased lithium levels
Beta-blockers Moderate Antagonism of bronchodilator effect
Phenytoin Moderate Decreased doxofylline levels
Carbamazepine Moderate Decreased doxofylline levels
Caffeine Minor Additive stimulant effects
Alcohol Minor Increased CNS side effects
Smoking Minor Increased metabolism of doxofylline

๐Ÿšจ Major Interactions

  • Theophylline
  • Cimetidine
  • Ciprofloxacin
  • Erythromycin
  • Fluvoxamine

โšก Moderate Interactions

  • Lithium
  • Beta-blockers
  • Phenytoin
  • Carbamazepine

โ„น๏ธ Minor Interactions

  • Caffeine
  • Alcohol
  • Smoking

๐Ÿฝ๏ธ Food Interactions

High-fat meals may delay absorption; avoid excessive caffeine intake

๐Ÿท Alcohol Interaction

May increase risk of side effects like dizziness and headache

๐Ÿ›ก๏ธ Safety & Warnings

๐Ÿšซ Contraindications

Hypersensitivity to doxofylline or any excipients, acute myocardial infarction, hypotension, seizure disorders

๐Ÿ“Š Monitoring Parameters

Liver function tests, renal function, serum doxofylline levels (if toxicity suspected), ECG in elderly or cardiac patients

๐Ÿคฑ Lactation Safety

Not recommended; excreted in breast milk

๐Ÿ’Š Overdose Management

Gastric lavage, activated charcoal, symptomatic treatment; monitor cardiac and CNS effects

โฐ Missed Dose

Take as soon as remembered unless almost time for next dose; do not double dose

๐Ÿ‘จโ€โš•๏ธ Reviewed by Expert

SaathiMed Expert Panel

MD, PhD - Pharmacology

Last reviewed on: Aug 22, 2026

๐Ÿ”— View Profile

๐Ÿ”„ Substitutes for doxopil 400mg tablet

View All

Alternative brands with exact same active ingredient (Doxofylline (400mg)):

Medical Note: Always consult your doctor before switching medications.

โญ User Reviews

Certified Buyer Jul 10, 2026

This medicine was effective for me. I followed the doctor's advice.

Regular Customer Jul 10, 2026

This medicine was effective for me. I followed the doctor's advice.

Certified Buyer Jul 10, 2026

Good quality medicine. Satisfied with the outcome.

Trusted Reviewer Jul 10, 2026

Effective and reliable. Worked as expected.

Happy Patient Jul 10, 2026

Helpful and effective medicine as per my experience. Always consult a doctor.

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