P 40 Tablet
Clinical Background: Balrampur Hospital, Lucknow (Emergency Medicine) & SCPM Hospital | Standards: CDSCO, Indian Pharmacopoeia (IP) & WHO
What is p 40 tablet used for?
Pantoprazole is a proton pump inhibitor (PPI) used to reduce stomach acid. It treats GERD, erosive esophagitis, and Zollinger-Ellison syndrome. It is also used with antibiotics for H. pylori. Common side effects include headache, diarrhea, and nausea. Long-term use may increase risk of fractures and vitamin B12 deficiency.
- Generic Name: Pantoprazole (40mg)
- Manufacturer: Jaiwik Biotech
- Form: Allopathy
- Pregnancy Category: Category B
- Prescription Required: Yes
p 40 tablet Uses & Benefits
- Pantoprazole is primarily used for the treatment of gastroesophageal reflux disease (GERD), including symptomatic relief and healing of erosive esophagitis.
- It is also indicated for the management of Zollinger-Ellison syndrome and other pathological hypersecretory conditions.
- In combination with antibiotics (e.g., amoxicillin and clarithromycin), it is used for Helicobacter pylori eradication to reduce the risk of duodenal ulcer recurrence.
- Additionally, it is used for the prevention of gastric ulcers in patients on chronic nonsteroidal anti-inflammatory drug (NSAID) therapy.
Off-Label & Investigational Uses:
- Off-label uses include treatment of dyspepsia, prevention of stress ulcers in critically ill patients, and management of eosinophilic esophagitis.
- It may also be used for aspiration prophylaxis during anesthesia.
📋 Drug Information
| Generic Name(s) | Pantoprazole (40mg) |
| Brand Name | p 40 tablet |
| Manufacturer | Jaiwik Biotech |
| Packaging / Form | Varies by brand (Allopathy) |
| Therapeutic Class | Proton Pump Inhibitor |
| Action Class | Gastric Acid Secretion Inhibitor |
| Route of Administration | Oral, Intravenous |
| Storage | Store at 20-25°C (68-77°F); excursions permitted to 15-30°C (59-86°F). Protect from moisture. Keep in tightly closed container. |
| Shelf Life | 2-3 years (check packaging) |
| WHO Guideline | WHO Model List of Essential Medicines: Pantoprazole is included as a proton pump inhibitor for peptic ulcer disease and GERD. |
| ICMR Guideline | ICMR guidelines recommend PPIs like pantoprazole for GERD and peptic ulcer management; H. pylori eradication therapy includes PPI with antibiotics. |
🔬 How This Medicine Works (Pharmacology)
Pharmacokinetics
How It Works
Pantoprazole is a proton pump inhibitor (PPI) that suppresses gastric acid secretion by irreversibly inhibiting the H+/K+ ATPase enzyme system (the proton pump) at the secretory surface of gastric parietal cells. It is a prodrug that is activated in the acidic environment of the parietal cell canaliculus. The active sulfenamide form binds covalently to cysteine residues on the H+/K+ ATPase, blocking acid transport into the gastric lumen. This inhibition is dose-dependent and results in profound and prolonged acid suppression. The effect lasts for more than 24 hours, allowing once-daily dosing. Because the proton pump is the final step in acid secretion, pantoprazole is effective in reducing both basal and stimulated acid secretion, regardless of the stimulus.
Mechanism Steps
💡 How to Take p 40 tablet
Dosage Information
| Adult Dosage | GERD: 40 mg once daily for 4-8 weeks. Erosive esophagitis: 40 mg once daily for 4-8 weeks; maintenance: 40 mg once daily. Zollinger-Ellison syndrome: 80 mg twice daily (adjust based on acid output). H. pylori eradication: 40 mg twice daily with antibiotic |
| Pediatric Dosage | Children ≥5 years: GERD: 20-40 mg once daily for up to 8 weeks (weight-based). Safety and efficacy in children <5 years not established. |
| Elderly Dosage | No dose adjustment required; monitor renal function. |
| Renal Impairment | No dose adjustment needed for mild to moderate impairment. Not studied in severe impairment; use with caution. |
| Hepatic Impairment | Mild to moderate impairment: no adjustment. Severe impairment (Child-Pugh C): maximum dose 20 mg daily (oral) or 40 mg every other day (IV). |
| Maximum Daily Dose | 80 mg (oral), 240 mg (IV for Zollinger-Ellison syndrome) |
Dosage Timeline
⚠️ Side Effects of p 40 tablet
✅ Common Side Effects
🚨 Serious Side Effects
⚠️ Rare Side Effects
Consult your doctor if you experience any unusual symptoms.
🔬 Drug Interactions
| Drug | Severity | Effect |
|---|---|---|
| Methotrexate | Major | Pantoprazole may increase methotrexate levels and toxicity, especially at high doses. |
| Atazanavir | Major | Pantoprazole reduces absorption of atazanavir, decreasing its efficacy. |
| Warfarin | Moderate | Pantoprazole may increase INR and risk of bleeding; monitor INR. |
| Clopidogrel | Moderate | Pantoprazole may reduce clopidogrel's antiplatelet effect via CYP2C19 inhibition. |
| Digoxin | Minor | Pantoprazole may slightly increase digoxin levels; monitor digoxin levels. |
🚨 Major Interactions
- Methotrexate
- Atazanavir
- Nelfinavir
- Rilpivirine
- Erlotinib
- Dasatinib
- Nilotinib
- Bosutinib
- Mycophenolate mofetil
⚡ Moderate Interactions
- Warfarin
- Clopidogrel
- Cilostazol
- Tacrolimus
- Citalopram
- Escitalopram
- Iron salts
- Calcium carbonate
- Vitamin B12
🍷 Alcohol Interaction
No direct interaction, but alcohol can irritate the stomach lining and worsen GERD symptoms. It is advisable to limit alcohol consumption.
🛡️ Safety & Warnings
🚫 Contraindications
Pantoprazole is contraindicated in patients with known hypersensitivity to pantoprazole or any component of the formulation. It should not be used in patients receiving rilpivirine-containing products due to reduced rilpivirine absorption. Concomitant use with atazanavir or nelfinavir is also contraindicated.
⚠️ Warnings & Precautions
Long-term use (e.g., >1 year) may increase the risk of osteoporosis-related fractures (hip, wrist, spine), especially in patients on high doses. Hypomagnesemia has been reported with prolonged PPI use; monitor magnesium levels if used for >3 months. Vitamin B12 deficiency may occur with long-term use. Acute interstitial nephritis has been reported; discontinue if suspected. Pantoprazole may mask symptoms of gastric malignancy; evaluate for malignancy before treatment. Use with caution in patients with hepatic impairment; dose adjustment may be needed. Clostridium difficile-associated diarrhea may occur; consider if diarrhea persists. Cutaneous lupus erythematosus and systemic lupus erythematosus have been reported; discontinue if signs occur.
🤱 Lactation Safety
Pantoprazole is excreted in breast milk in small amounts. It is generally considered compatible with
💊 Overdose Management
Overdose with pantoprazole is unlikely to cause serious toxicity. Symptoms may include confusion, drowsiness, blurred vision, tachycardia, nausea, vomiting, and diaphoresis. Management is supportive; no specific antidote exists. Hemodialysis is not effective.
⏰ Missed Dose
If a dose is missed, take it as soon as remembered unless it is almost time for the next dose. Do not double the dose. Resume the regular schedule.
🔄 Substitutes for p 40 tablet
View AllAlternative brands with exact same active ingredient:
-
avipanta 40mg injectionAvinash Health Products Pvt Ltd ₹4.22 96.7% CHEAPER
-
penz 40mg capsuleASV Laboratories India Pvt Ltd ₹5.00 96.1% CHEAPER
-
pds 40mg tabletAgron Remedies Pvt Ltd ₹6.90 94.6% CHEAPER
-
pantonec 40mg tabletNectar Remedies Ltd ₹7.03 94.5% CHEAPER
-
pantopraz 40mg tabletKhandelwal Laboratories Pvt Ltd ₹8.20 93.6% CHEAPER
Medical Note: Always consult your doctor before switching medications.
🛑 Myths vs. Facts
- Myth: Pantoprazole works immediately for heartburn.
Fact: It may take 2-3 days for full effect; immediate relief is not typical. - Myth: Pantoprazole is safe to take with any other medication.
Fact: It can interact with many drugs; always consult a doctor.
🔄 Alternative Options
Generic Alternatives
- Pantoprazole sodium
- Pantoprazole magnesium
Brand Alternatives
- Pantocid
- Pantodac
- Pantop
- Pantoheal
- Panzol