Rantac 300

✅ Acid reflux relief
✅ Ulcer treatment
✅ Heartburn reduction
✅ Gastric discomfort alleviation
✅ Digestive system support

Rantac contains Ranitidine.

Product Overview

Rantac is a medication containing the active ingredient Ranitidine (300mg). It is available in tablet form and is commonly used to treat various gastrointestinal conditions. Ranitidine belongs to a class of drugs known as H2 blockers, which work by reducing the production of stomach acid. Rantac provides relief from symptoms such as heartburn, acid indigestion, and gastroesophageal reflux disease (GERD), helping to improve overall digestive health.


Rantac tablets are primarily used to relieve symptoms associated with excessive stomach acid production. These symptoms may include heartburn, acid reflux, and indigestion. Additionally, Rantac is prescribed to treat and prevent peptic ulcers, both in the stomach and the intestines. It works by inhibiting the action of histamine, a substance that stimulates the secretion of gastric acid, thereby reducing the acidity in the stomach and alleviating discomfort.

How to Use

Rantac tablets should be taken orally with a full glass of water, usually once or twice daily, as directed by your healthcare provider. It is best to take Rantac either 30 minutes before meals or at bedtime to maximize its effectiveness in reducing stomach acid. Swallow the tablet whole without chewing or crushing it. Follow the dosage instructions carefully and do not exceed the recommended dose without consulting your doctor.

How it Works

Rantac contains Ranitidine, which works by blocking the action of histamine on the cells in the stomach lining. Histamine normally stimulates the production of stomach acid. By inhibiting histamine, Rantac reduces the secretion of acid into the stomach, thereby lowering its acidity levels. This helps to relieve symptoms of heartburn, acid reflux, and indigestion, providing relief to individuals with gastrointestinal issues.

Dosage and Administration

The dosage of Rantac may vary depending on the severity of the condition being treated and the individual’s response to treatment. Typically, the recommended dose for adults is 150mg to 300mg once or twice daily. For maintenance therapy, a lower dose may be prescribed. It is important to take Rantac exactly as directed by your healthcare provider to achieve optimal results.


Rantac offers several benefits for individuals with gastrointestinal conditions, including:

  • Relief from symptoms such as heartburn, acid reflux, and indigestion
  • Treatment and prevention of peptic ulcers
  • Reduction of stomach acid levels to promote healing of the digestive tract
  • Improvement in overall digestive health and quality of life

Common Side Effects

Common side effects of Rantac may include headache, dizziness, constipation, diarrhea, and abdominal pain. These side effects are usually mild and transient, resolving with continued use or upon discontinuation of the medication. However, if any side effects persist or worsen, contact your healthcare provider for further guidance.


Rantac should be used with caution in individuals with a history of kidney disease or liver dysfunction. It may interact with certain medications, including antacids and drugs metabolized by the liver. Inform your doctor about all medications, supplements, and medical conditions before starting Rantac. Do not use Rantac if you are allergic to Ranitidine or other H2 blockers.

Storage Information

Store Rantac tablets at room temperature away from moisture and heat. Keep the medication out of reach of children and pets. Do not use Rantac tablets beyond the expiration date printed on the packaging.


Our sole intention is to ensure that its consumers get information that is expert-reviewed, accurate, and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover all possible side effects, drug interactions, or warnings or alerts. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.


300 mg


20 Tablet/s, 40 Tablet/s, 60 Tablet/s, 120 Tablet/s, 240 Tablet/s


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