Zantac

Other Excess Acid Conditions (such as Zollinger-Ellison Syndrome)

The usual dose is 150 milligrams or 10 milliliters (2 teaspoonfuls) 2 times a day. This dose can be adjusted upwards by your doctor.

Benign Gastric Ulcer and Gastroesophageal Reflux Disease (GERD)

The usual dose is 150 milligrams or 10 milliliters (2 teaspoonfuls) 2 times a day. Once an ulcer has cleared up, a single bedtime dose is prescribed to maintain healing. Symptoms of GERD generally improve within 24 hours after the start of therapy.

Erosive Esophagitis

The usual dose is 150 milligrams or 10 milliliters (2 teaspoonfuls) 4 times a day. Maintenance dosage is 150 milligrams or 10 milliliters (2 teaspoonfuls) twice a day.

CHILDREN

Duodenal and Gastric Ulcers

For children 1 month to 16 years of age, the recommended dosage for initial treatment is 2 to 4 milligrams per 2.2 pounds of body weight per day twice daily up to a maximum of 300 milligrams per day. For long-term maintenance of healing, the recommendation is 2 to 4 milligrams per 2.2 pounds of body weight once daily up to a maximum of 150 milligrams per day.

Gastroesophageal Reflux Disease (GERD) and Erosive Esophagitis

For children 1 month to 16 years of age, the usual daily dosage is 5 to 10 milligrams per 2.2 pounds of body weight, divided into two doses.

OLDER ADULTS

People with kidney problems, such as some older adults, typically are given a lower dose. During the therapy with Zantac, the doctor is also more likely to monitor your kidney function if you're over 65.

ZANTAC 75 AND ZANTAC 150

Do not give Zantac 75 or Zantac 150 to children under 12 years old unless your doctor approves. Swallow tablets with a glass of water. Do not take more than 2 tablets a day or take them for longer than 2 weeks unless your doctor approves.

For Prevention of Heartburn Symptoms

Take 1 tablet with a glass of water 30 to 60 minutes before eating food or drinking beverages that could cause heartburn.

For Relief of Heartburn Symptoms

Take 1 tablet with a glass of water.

Overdosage

Any medication taken in excess can have serious consequences. If you suspect an overdose, seek medical attention immediately.

Information concerning Zantac overdosage is limited. However, an abnormal manner of walking, low blood pressure, and exaggerated side effect symptoms may be signs of an overdose.

If you experience any of these symptoms, notify your doctor immediately.