|Take Zantac exactly as prescribed by your doctor. Make sure you follow the diet your doctor recommends.
You can take an antacid for pain while you are taking Zantac.
Active Duodenal Ulcer
The usual starting dose of Zantac is 150 milligrams 2 times a day. Your doctor also might prescribe 300 milligrams once a day, after the evening meal or at bedtime, if necessary for your convenience. The dose of Zantac should be the lowest effective dose. Long-term use should be reduced to a daily total of 150 milligrams taken at bedtime.
Other Excess Acid Conditions (such as Zollinger-Ellison Syndrome)
The usual dose of Zantac is 150 milligrams 2 times a day. This dose can be adjusted upwards by your doctor.
Benign Gastric Ulcer and Gastroesophageal Reflux Disease (GERD)
The usual dose of Zantac is 150 milligrams 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.
The usual dose of Zantac is 150 milligrams 4 times a day. Maintenance dosage is 150 milligrams twice a day.
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.
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.
If you miss a Zantac dose
If you miss a dose of Zantac, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses of Zantac.
Zantac overdose can lead to serious consequences. Seek medical emergency immediately.
Symptoms of Zantac overdose may include
• an abnormal manner of walking,
• low blood pressure
Zantac Storage instructions
Keep Zantac out of reach of children.
Store the Zantac tablets at room temperature 2-25°C (36-77°F), away from direct heat and light. Do not freeze. Keep the prescription bottle tightly closed. Throw away any unused amount of Zantac after the expiration date.
Zantac Preparations: Tablet- 150mg, 300mg