antac 150mg tablet - Ranitidine (150mg) medicine

antac 150mg tablet - Uses, Price, Side Effects & Substitutes

No reviews yet
๐Ÿญ Angel Laboratories Pvt Ltd ๐Ÿ“ฆ Varies by brand ๐Ÿ’Š Allopathy ๐Ÿ“… Updated: Jun 26, 2026
๐Ÿ“‹ Prescription Required ๐Ÿ’Š Generic Available
Medically Reviewed
Dr. SaathiMed Expert Panel | Jun 26, 2026

What is antac 150mg tablet used for?

Aciloc 150 Tablet (Ranitidine) is used to treat GASTRO INTESTINAL. It contains Ranitidine (150mg), which Competitive inhibition of histamine at H2-receptors of gastric parietal cells, r. Always consult your doctor before use. Take as prescribed.

  • Generic Name: Ranitidine
  • Manufacturer: Angel Laboratories Pvt Ltd
  • Form: Allopathy
  • Pregnancy Category: B
  • Prescription Required: Yes
๐Ÿ’ก Did You Know? India is the largest provider of generic medicines globally, supplying over 50% of global vaccine demand.

๐Ÿ’Š antac 150mg tablet Uses & Benefits

Duodenal ulcer, Gastric ulcer, Gastroesophageal reflux disease (GERD), Zollinger-Ellison syndrome, Erosive esophagitis, Prevention of stress ulcers

Off-label uses: Urticaria (off-label), Prevention of aspiration pneumonitis (off-label)

๐Ÿ“‹ Drug Information

Generic Name(s)Ranitidine
Brand NameAciloc 150 Tablet
ManufacturerAngel Laboratories Pvt Ltd
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassGASTRO INTESTINAL
Action ClassH2 Receptor Blocker
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; peak plasma concentration reached within 1-3 hours.
DistributionWidely distributed in body tissues; crosses placenta and blood-brain barrier.
Protein BindingApproximately 15%
MetabolismHepatic metabolism via N-oxidation, N-demethylation, and S-oxidation.
Half-Life2.5-3 hours
ExcretionRenal excretion (70% unchanged) and fecal excretion.
Bioavailability50-60%
Onset of Action30-60 minutes
Peak Plasma Time1-3 hours
Duration of Action4-8 hours

How It Works

Competitive inhibition of histamine at H2-receptors of gastric parietal cells, reducing gastric acid secretion.

Mechanism Steps

1Ranitidine binds to H2-receptors on gastric parietal cells
2Competitive inhibition of histamine binding
3Reduction in intracellular cAMP levels

๐Ÿ’ก How to Take antac 150mg tablet

Follow your doctor's prescription exactly.

โš ๏ธ Side Effects of antac 150mg tablet

โœ… Common Side Effects

  • Headache
  • Dizziness
  • Constipation
  • Diarrhea
  • Nausea

๐Ÿšจ Serious Side Effects

  • Hepatitis
  • Pancreatitis
  • Agranulocytosis
  • Thrombocytopenia
  • Bradycardia

โš ๏ธ Rare Side Effects

  • Gynecomastia
  • Impotence
  • Confusion
  • Hallucinations

Consult your doctor if you experience any unusual symptoms.

๐Ÿ”ฌ Drug Interactions

โš ๏ธ DrugSeverityEffect
Minor
Minor
Minor

๐Ÿšจ Major Interactions

  • Warfarin (increased anticoagulant effect)
  • Theophylline (increased theophylline levels)
  • Phenytoin (increased phenytoin levels)

โšก Moderate Interactions

  • Ketoconazole (decreased absorption)
  • Itraconazole (decreased absorption)
  • Atazanavir (decreased absorption)
  • Delavirdine (decreased absorption)

โ„น๏ธ Minor Interactions

  • Antacids (decreased absorption of ranitidine)
  • Sucralfate (decreased absorption of ranitidine)

๐Ÿฝ๏ธ Food Interactions

Food does not significantly affect absorption

๐Ÿท Alcohol Interaction

No direct interaction, but alcohol may exacerbate gastric irritation.

๐Ÿ›ก๏ธ Safety & Warnings

๐Ÿšซ Contraindications

Hypersensitivity to ranitidine or any component, Acute porphyria

๐Ÿ“Š Monitoring Parameters

Renal function in elderly or renally impaired, Liver function tests if hepatic impairment

๐Ÿคฑ Lactation Safety

Excreted in breast milk; use with caution.

๐Ÿ’Š Overdose Management

Supportive care; activated charcoal may be considered; dialysis not effective.

โฐ Missed Dose

Take as soon as remembered; if near next dose, skip missed dose.

๐Ÿ‘จโ€โš•๏ธ Reviewed by Expert

Dr. SaathiMed Expert Panel

MD, PhD - Pharmacology

Reviewed: Jun 26, 2026

๐Ÿ”— View Profile

๐Ÿ”„ Substitutes for antac 150mg tablet

View All

Alternative brands with exact same active ingredient (Ranitidine (150mg)):

Medical Note: Always consult your doctor before switching medications.

๐Ÿ˜Š Was this information helpful?

Browse Medicines A-Z

Search our extensive medical database alphabetically.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Back to Medicines Directory
SaathiMed App
SaathiMed App Consult doctors & order medicines faster
Install