GERD Home > Axid Dosage

For adults with gastroesophageal reflux disease (GERD), the usual starting Axid dose is 150 mg twice daily or 300 mg once daily in the evening. Children over the age of 12 should take 150 mg of Axid Oral Solution twice a day. For the treatment of ulcers, the usual Axid dose is either 150 twice a day or 300 mg once daily in the evening. Your age and other drugs you may be taking are among the factors that can affect Axid dosing.

Axid Dosing: An Overview

The dose of Axid® (nizatidine) that your healthcare provider recommends will vary depending on a number of factors, including:
  • Your age
  • The medical condition you are being treated for
  • Other medical conditions you may have
  • Other medications you may be currently taking.
As always, do not adjust your dose unless your healthcare provider specifically instructs you to do so.
Axid Dosing for Ulcers
When treating a duodenal ulcer or stomach ulcer, the usual dose is Axid 150 mg twice daily or Axid 300 mg once daily in the evening. For duodenal ulcers, Axid can also be used to prevent the ulcers from returning. After the ulcer is healed, the dose to prevent future duodenal ulcers is Axid 150 mg once daily at bedtime.
Axid Dosing for GERD
The recommended Axid dosage for gastroesophageal reflux disease (GERD) in adults is Axid 150 mg twice daily. For GERD in children age 12 and over, the dose of Axid® Oral Solution is 150 mg (2 teaspoonfuls) twice daily. Axid Oral Solution is a bubble gum-flavored liquid version of Axid.
Non-Prescription Axid Dosing
For adults and children 12 and over, the Axid® AR dose for heartburn, sour stomach, or acid indigestion is Axid AR 75 mg twice a day, taken 30 to 60 minutes before eating.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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