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Zantac.

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Compare Prices

Package Price, $ Price with coupon
allrxdir
Savings, $
150mg x 30 15.00 10.50 4.50
150mg x 60 25.80 18.06 7.74
150mg x 90 37.80 26.46 11.34
150mg x 120 48.00 33.60 14.40
150mg x 180 66.60 46.62 19.98
150mg x 240 72.00 50.40 21.60
150mg x 360 104.40 73.08 31.32
300mg x 30 22.80 15.96 6.84
300mg x 60 40.80 28.56 12.24
300mg x 90 55.80 39.06 16.74
300mg x 120 70.80 49.56 21.24
300mg x 180 95.40 66.78 28.62
300mg x 240 117.60 82.32 35.28
300mg x 360 165.60 115.92 49.68

Prescription

Zantac is prescribed to decrease the production of stomach acid, which may reduce irritation to the stomach lining and help heal ulcers and other gastrointestinal conditions. It's prescribed for the following:
- Maintenance therapy (at a reduced dosage) to help keep the ulcer from coming back after it has healed;
- Short-term treatment (4 to 8 weeks) of active ulcers, specifically duodenal ulcers or benign stomach ulcers (also called gastric ulcers);
- Treating and maintaining healing of erosive esophagitis (severe inflammation of the esophagus);
- Treatment of conditions in which the stomach produces too much acid, such as zollinger-ellison syndrome and systemic mastocytosis;
- Treatment of gastroesophageal reflux disease (also known as gerd, which occurs when stomach acid backs up into the esophagus);

Zantac can be prescribed to prevent and treat peptic ulcers that can occur as a side effect of non-steroidal anti-inflammatory drugs, such as diclofenac.
Zantac is prescribed to depress stomach acid production in various other conditions. It is prescribed in varying doses and for varying lengths of time depending on the condition being treated.
Zantac tablets, effervescent tablets, syrup and injection all contain the active ingredient Zantac, which is a type of drug called an H2 receptor antagonist. Zantac is available without a brand name, ie as the generic drug. Zantac acts in the stomach to decrease the production of stomach acid.
Zantac works by blocking histamine H2 receptors that are found on the cells in the stomach lining. A natural body chemical called histamine normally binds to these receptors, causing the cells to produce stomach acid. By blocking the H2 receptors, Zantac prevents histamine from binding to them. This stops the cells from producing stomach acid.
Acid produced in the stomach can sometimes flow back into the food pipe. This is called gastro-oesophageal reflux, and can cause pain and a burning sensation known as heartburn. It can irritate and damage the lining of the oesophagus, causing a condition called reflux oesophagitis.
By reducing the amount of acid in the stomach and duodenum Zantac relieves the symptoms of indigestion. It allows peptic ulcers to heal, and prevents them from recurring. Zantac can be given together with antibiotics to help eradicate bacteria called Helicobacter pylori from the stomach. These bacteria can contribute to the formation of peptic ulcers. Zantac helps create an environment in the gut in which the antibiotics can be more effective at killing the bacteria.
By reducing the production of stomach acid, Zantac can be prescribed to treat all these and other conditions. It stops excess acid flowing back into the foodpipe and can be prescribed to relieve heartburn symptoms associated with acid reflux. It allows the oesophagus to heal in reflux oesophagitis.
Over-the-counter versions of Zantac are available for relieving and preventing heartburn associated with acid indigestion and sour stomach. However, the prescription version is still needed for treatment of ulcers, esophagitis, GERD, and other conditions that require monitoring by a doctor.
Stomach acid is produced in the stomach as a normal part of the digestive process. Normally the linings of the stomach and duodenum are protected by a layer that resists acid attack. However, if this layer is damaged, or large amounts of stomach acid are formed, an ulcer can develop on the lining of the stomach or duodenum. This is called a peptic ulcer.

Zantac is prescribed for the treatment of:

In adults:
- Chronic indigestion related to meals or that disturbs sleep, but which is not related to any of the above conditions;
- Excessive secretion of stomach acid due to a tumour or enlargement of the pancreas;
- Gastro-oesophageal reflux disease;
- Preventing bleeding from stress ulceration in the gut in people who are critically ill, eg in intensive care;
- Preventing inhalation of acid from the stomach in pregnant women during labour;
- Preventing inhalation of acid from the stomach whilst under general anaesthetic;
- Preventing peptic ulcers in people taking non-steroidal anti-inflammatory drugs;
- Preventing recurrent bleeding in people with bleeding peptic ulcers;
- Treating duodenal ulcers associated with h pylori infection;
- Treating peptic ulcers;

In children aged 3 to 18 years:
- Gastro-oesophageal reflux disease;
- Short-term treatment of peptic ulcers;

Side Effects

Zantac side effects that you should report to your health care professional or doctor as soon as possible:
- Allergic reaction;
- Alteration in results of liver function tests;
- Blurred vision;
- Confusion;
- Decrease in the normal number of blood cells in the blood;
- Depression;
- Diarrhoea;
- Dizziness;
- False perceptions of things that are not really there;
- Hair loss;
- Headache;
- Impotence;
- Inflammation of the liver;
- Inflammation of the pancreas;
- Pain in the muscles and joints;
- Skin rash;
- Slow heart rate;

Dosage

CHILDREN

Gastroesophageal Reflux Disease (GERD) and Erosive Esophagitis

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

Duodenal and Stomach Ulcers

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

ADULTS

Erosive Esophagitis

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

Benign Stomach Ulcer and Gastroesophageal Reflux Disease (GERD)

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

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

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

Active Duodenal Ulcer

The usual starting dose is 150 mg 2 times a day or 10 ml (2 teaspoonfuls) 2 times a day.
Your doctor might prescribe 300 mg or 20 ml (4 teaspoonfuls) once a day, after the evening meal or at bedtime, if necessary for your convenience.
The dose should be the lowest effective dose. Long-term use should be reduced to a daily total of 150 mg or 10 ml (2 teaspoonfuls), taken at bedtime.


OLDER ADULTS

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

 

 
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