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Medically Verified MonographPrescriptionClass: Proton Pump Inhibitors (PPIs)

Pantoprazole

Generic Name: Pantoprazole Sodium

Common Brand Names: Protonix
Dosage Form:Delayed-Release Tablet, Injection
Route:Oral, Intravenous
Pregnancy Category:C
Last Reviewed:9/6/2026

Seek Urgent Medical Attention If:

Severe abdominal pain, persistent watery diarrhea with fever.

Uses & Medical Indications

Short-term treatment of erosive esophagitis associated with GERD, Zollinger-Ellison syndrome

Medical Conditions Treated:

GERD, Erosive Esophagitis, Pathological Hypersecretion

Dosage & Administration Guidelines

Adult Dosage

40 mg once daily

Pediatric Dosage

20 mg (>=15 to =40 kg) daily for >=5 yrs

Elderly / Geriatric Considerations

Same as adult

Maximum Dose Limit

240 mg/day (Zollinger-Ellison)

Renal Impairment:

No adjustment necessary

Hepatic Impairment:

No adjustment necessary for oral; max 20 mg/day IV in severe impairment

Side Effects & Safety Warnings

Common Side Effects

Headache, diarrhea, nausea, abdominal pain, flatulence

Serious Adverse Reactions

C. difficile-associated diarrhea, hypomagnesemia, bone fractures, acute interstitial nephritis

Contraindications:

Hypersensitivity to PPIs, use with rilpivirine

Important Warnings & Precautions:

Long-term use may cause vitamin B12 deficiency and hypomagnesemia

Interactions (Drugs, Food & Alcohol)

Drug-Drug Interactions:

Methotrexate, clopidogrel (less interaction than omeprazole), atazanavir

Food & Dietary Interactions:

Can take with or without food, but typically 30 mins before a meal

Alcohol Interaction Warning:

May exacerbate GERD symptoms

Pregnancy & Breastfeeding Safety

Pregnancy Safety

Use only if clearly needed

Breastfeeding / Lactation

Present in human milk; use caution

Patient Counseling & Practical Advice

How to Take:

Swallow tablet whole; do not crush or chew. Take 30 mins before a meal.

What to Do if You Miss a Dose:

Take as soon as remembered. Skip if close to next dose.

Recommended Monitoring & Lab Tests:

Symptom improvement, magnesium and B12 if long-term

Frequently Asked Questions

Related Medicines in Proton Pump Inhibitors (PPIs)

Trustworthy Sources & Medical Review

Content for Pantoprazole was synthesized and fact-checked against standardized regulatory monographs, official pharmacopoeias, and national health authorities:

  • ACGClinical Guidelines for Gastroesophageal Reflux Disease
Reviewer Credentials: PharmD, Clinical PharmacologistLast Reviewed Date: 9/6/2026

The information provided on this website is for educational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a qualified healthcare provider with any questions you may have regarding a medical condition.