Drug Guide

Generic Name

Betazole Hydrochloride

Brand Names Histalog

Classification

Therapeutic: Gastric acid secretion stimulant

Pharmacological: Histamine H2 receptor agonist

FDA Approved Indications

Mechanism of Action

Betazole stimulates gastric acid secretion by directly activating histamine H2 receptors on parietal cells in the stomach, leading to increased gastric acid production.

Dosage and Administration

Adult: Typically, 25-50 mg administered intravenously or intramuscularly; dosage may vary based on clinical indication.

Pediatric: Use is limited; consult specific guidelines or specialist.

Geriatric: Adjust dose based on hepatic function and response.

Renal Impairment: Adjust dose accordingly; monitor for increased sensitivity.

Hepatic Impairment: Dose adjustment may be necessary; use with caution.

Pharmacokinetics

Absorption: Rapid upon intramuscular or intravenous injection.

Distribution: Distributed throughout body tissues.

Metabolism: Metabolized in the liver.

Excretion: Excreted in urine.

Half Life: Approximately 20-25 minutes.

Contraindications

Precautions

Adverse Reactions - Common

Adverse Reactions - Serious

Drug-Drug Interactions

Drug-Food Interactions

N/A

Drug-Herb Interactions

N/A

Nursing Implications

Assessment: Monitor gastric acidity levels if used diagnostically; observe for adverse reactions.

Diagnoses:

  • Risk for allergic reaction
  • Impaired gastrointestinal perfusion

Implementation: Administer as prescribed; monitor vital signs and for allergic reactions.

Evaluation: Assess effectiveness in stimulating gastric acid secretion or symptom relief.

Patient/Family Teaching

Special Considerations

Black Box Warnings:

Genetic Factors: None established.

Lab Test Interference: May affect tests related to gastric acid secretion.

Overdose Management

Signs/Symptoms: Excessive gastric acid production, gastrointestinal discomfort, hypotension.

Treatment: Discontinue drug, provide supportive care, treat symptoms as needed.

Storage and Handling

Storage: Store at room temperature away from moisture and heat.

Stability: Stable under recommended storage conditions.

This guide is for educational purposes only and is not intended for clinical use.