Pantoprazole

Pantoprazole is a Proton Pump Inhibitor (PPI). It is used in animals to treat acid hypersecretory conditions by reducing gastric acid secretion and protecting the gastrointestinal mucosa.

Group

Pantoprazole belongs to the Proton Pump Inhibitor (PPI) class of drugs and is an antacid/anti-ulcer medication.

Mechanism of Action

Pantoprazole acts by irreversibly inhibiting the gastric H⁺/K⁺-ATPase (proton pump), thereby suppressing gastric acid secretion. PPIs have potent, long-lasting effects and are more effective than H₂-receptor antagonists such as ranitidine.

Dose Rates

Dog & Cat: 1 mg/kg IV PO q24h

Horse: 1.5 mg/kg IV PO q24h

Cattle, Sheep and Goats: 0.5 mg/kg IV q24h

Indications

• Gastric ulcers and duodenal ulcers
• Gastrinoma
• Mast cell neoplasia

Contraindications

• Intramuscular (IM) and Subcutaneous (SC) routes are contraindicated for pantoprazole.

Interactions

• Do not administer pantoprazole concurrently with medications that require an acidic gastric environment for absorption, such as ketoconazole, itraconazole, and iron supplements.

Adverse effects

• No side effects reported in animals.

Toxicity

Doses exceeding 300 mg/kg body weight may be toxic in animals. Treatment is symptomatic and supportive.

Preparations

Injectables: 40 mg vial

Tablets: 10 mg, 20 mg, 40 mg

More About Pantoprazole for Animals

Pantoprazole is a widely used proton pump inhibitor in veterinary medicine for the prevention and treatment of gastric acid-related disorders. It provides longer-lasting acid suppression than H₂-receptor antagonists and is commonly used in animals with gastric or duodenal ulcers, gastritis, gastroesophageal reflux, or conditions causing excessive gastric acid secretion.

For oral therapy, pantoprazole is generally most effective when administered on an empty stomach, approximately 30–60 minutes before feeding. Because proton pump inhibitors require several doses to achieve their maximum acid-suppressive effect, they are often continued for several days or weeks depending on the underlying condition and the veterinarian’s treatment plan.