dosage for zantac 300 mg
When treating a duodenal ulcer, the recommended Zantac dosage is usually Zantac 150 mg twice daily or Zantac 300 mg once daily in the evening. After the ulcer is healed, the dose to prevent future ulcers is typically Zantac 150 mg once daily at bedtime. Zantac Dosing for Stomach Ulcers.