When using Zantac to treat heartburn, it takes 30 minutes to work, according to Zantacotc.com. People who are using Zantac to promote stomach ulcer healing notice a difference within 8 weeks, Drugs.com states.Continue Reading
People who are taking Zantac to treat heartburn should feel relief within 30 minutes, which then lasts up to 12 hours. Some people take Zantac to heal stomach ulcers. As Zantac acts as a histamine blocker, it can reduce the stomach acids that exacerbate ulcers. It takes up to 8 weeks for stomach ulcers to heal, and people using Zantac for this reason should consult with a doctor first.
Patients using Zantac can take steps to ensure it is effective:
Some people may experience side effects when taking Zantac. This includes insomnia, headaches, nausea and constipation.Learn more about Medications & Vitamins