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Ranitidine

ANTACID

Uses of Ranitidine

  • Ranitidine is used to treat and prevent peptic ulcers, which are ulcers occurring in the stomach or duodenum.
  • It is also used to address reflux or heartburn, manage Zollinger-Ellison Syndrome, and treat scleroderma esophagitis.

Side effects of Ranitidine

  • Dizziness, light-headedness or drowsiness
  • Headache
  • Muscle or joint pain
  • Constipation or diarrhoea
  • feeling sick (nausea) or vomiting
  • Sexual problems
  • Difficulty sleeping
  • Abdominal pain
  • Blurred vision.

How Ranitidine works

Ranitidine operates through a mechanism of action that involves inhibiting the histamine H2 receptors, which are found on the surface of stomach cells. As a competitive antagonist, ranitidine selectively blocks these receptors, specifically those of the parietal cells in the gastric mucosa. By doing so, ranitidine curtails the binding of histamine to these receptors, which would otherwise stimulate the secretion of gastric acid. The reduction in histamine-mediated stimulation results in decreased gastric acid production, leading to lower acidity levels in the stomach. This acid-suppressing effect is particularly beneficial in the treatment and prevention of peptic ulcers, reflux, heartburn, Zollinger-Ellison Syndrome, and scleroderma esophagitis. By moderating acid secretion, ranitidine alleviates symptoms associated with various gastrointestinal conditions and supports the healing of ulcers.

Certified content

Written By

docImg
Amit SharmaClinical Health & Medical Writer| 3 years

B. Pharm

Reviewed By

Amatul Ameen
Amatul Ameen Clinical Health & Medical Writer| 13 years

B. Pharm, MSc.

Expert Advice

Dosage Forms Available

  • Ranitidine is available for use via the oral route (tablets).

Age and Dose Restrictions

  • It is meant for adults and children above 6 months.

Contraindications

  • Ranitidine is contraindicated in patients with known allergies to ranitidine and heart problems, diabetes, stomach ulcers and lung disease.

Other Medications To Avoid With This Medicine

  • The usage of blood thinners (like warfarin), antifungals (like ketoconazole), anti-HIV medications (such as atazanavir), and antacids (specifically aluminium hydroxide) is not advisable in conjunction with Ranitidine. It is essential to consult with your doctor before using any prescription or over-the-counter medications.

Overdose and Missed Dose

  • In case of an overdose of Ranitidine, inform your doctor and follow the advice accordingly.
  • If you forget a Ranitidine dose, take it as soon as you remember. But avoid repeating the dose.

Use In Driving And Operating Machinery

  • Ranitidine may affect your ability to drive or operate heavy machinery. Avoid driving if you feel dizzy after taking it.

Use in Pregnancy and Lactation

  • Ranitidine is not recommended during pregnancy or breastfeeding.

Special Dietary & Lifestyle Recommendation

  • For individuals taking Ranitidine, incorporating particular diet and lifestyle adjustments can contribute to managing gastrointestinal conditions. Firstly, adopting a balanced and mindful diet that includes smaller, more frequent meals may help alleviate symptoms. Opting for low-acid foods and avoiding triggers such as spicy, acidic, or fatty foods can be beneficial. Additionally, refraining from consuming large meals close to bedtime can minimise the likelihood of reflux symptoms. Steering clear of tobacco and limiting alcohol intake are advisable, as both can exacerbate digestive issues.
  • Avoid alcohol when you are taking Ranitidine.
  • Ranitidine can be taken with or without food.

Frequently asked questions

This medication starts showing its effects within a few hours after consumption.

Avoid usage if you experience an allergic reaction (hypersensitivity) to Ranitidine. It is advisable to seek advice from a doctor promptly.

Do not stop taking this medication without consulting your doctor, even if you feel healthy.

Consult your doctor before taking this medication if you have kidney or liver issues to ensure its safety and proper dosage.

This medication does not affect contraception. 

Terms & Conditions


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