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Acilight (Ranitidine): Why Was This Heartburn Medication Withdrawn?

IMPORTANT SAFETY WARNING: This product, containing Ranitidine, has been withdrawn from the market in Egypt and globally due to safety concerns. This information is for historical and educational purposes only. Do NOT use this medication. Consult your doctor or pharmacist for safe and effective alternatives.

ACILIGHT® (Ranitidine): Information on a Withdrawn Medication

Summary

ACILIGHT was a medication containing the active ingredient Ranitidine, formerly manufactured by El Obour Pharmaceutical Industries. It was widely used to decrease stomach acid for conditions like peptic ulcers and GERD. However, all ranitidine products were globally withdrawn around 2020 due to the detection of an impurity, N-nitrosodimethylamine (NDMA), a probable human carcinogen. This page serves as a historical record and a public safety announcement.

Regulatory Status: Withdrawn from Market

In 2019-2020, health authorities like the U.S. FDA and the European Medicines Agency found that ranitidine could degrade over time to form an impurity called N-nitrosodimethylamine (NDMA). As NDMA is classified as a probable human carcinogen, a global recall was issued as a precautionary measure. ACILIGHT is no longer authorized for sale or use.

Safe Alternatives to Ranitidine

If you were previously using ACILIGHT, several safe and effective alternatives are available. Always consult your doctor or pharmacist to find the best option for you. Common alternatives include:

  • Other H2-Receptor Antagonists: Such as Famotidine (e.g., Antodine®, Famotak®) or Nizatidine. These have not been found to have the same NDMA issue.
  • Proton Pump Inhibitors (PPIs): A very effective class of drugs for reducing stomach acid. Examples include Omeprazole (e.g., Losec®, Omepak®), Esomeprazole (e.g., Nexium®), and Pantoprazole (e.g., Controloc®).
  • Antacids: For immediate, short-term relief of heartburn (e.g., Gaviscon®, Maalox®).

Historical Product Information

Manufacturer

El Obour Pharmaceutical Industries Co., Egypt.

Category & Active Ingredient

  • Category: H2-Receptor Antagonist (for peptic ulcers).
  • Active Ingredient: Ranitidine.

Formerly Available Forms & Strengths

Prior to its withdrawal, ACILIGHT was available as:

  • ACILIGHT 75 mg Film-Coated Tablets
  • ACILIGHT 150 mg Film-Coated Tablets

Mechanism of Action

Ranitidine was an H2-receptor antagonist. It worked by selectively and competitively blocking histamine H2 receptors on the stomach's parietal cells. This action inhibited both basal and stimulated gastric acid secretion, leading to reduced stomach acidity and allowing acid-related damage to heal.

Former Indications

  • Treatment and prevention of peptic ulcers (gastric and duodenal).
  • Gastroesophageal Reflux Disease (GERD).
  • Zollinger-Ellison syndrome and other hypersecretory conditions.
  • Relief of heartburn and acid indigestion.

Historical Dosage

This is typical historical dosing and is for informational purposes only.

  • For Ulcer Treatment: Typically 150 mg twice daily, or a single 300 mg dose at bedtime.
  • For GERD/Maintenance: 150 mg twice daily.
  • Dose Adjustment: The dose was reduced in patients with significant renal impairment.

Historical Side Effects

  • Common: Headache, dizziness, constipation, or diarrhea.
  • Less Common/Rare: Confusion (especially in the elderly or those with kidney problems), liver function abnormalities, and very rarely, blood count changes.

Contraindications

The only major contraindication was a known hypersensitivity to Ranitidine.

Drug Interactions

Ranitidine had fewer drug interactions than the older H2-blocker, cimetidine, but some were noted:

  • It could reduce the absorption of certain drugs that require an acidic environment to be absorbed properly (e.g., some antifungals like ketoconazole, or some HIV medications).
  • It could slightly increase the blood levels of a few other drugs.

Frequently Asked Questions (FAQ)

I still have some ACILIGHT tablets at home. Can I use them?
No. Regulatory bodies strongly advise against using any remaining ranitidine products. You should dispose of them safely and speak to a pharmacist about a suitable replacement.

I used ACILIGHT for a long time. Should I be worried about cancer?
The risk from past use is considered to be low, but it may increase with long-term exposure. The withdrawal was a precautionary measure. If you have any health concerns, it is always best to discuss them with your doctor who can provide personalized advice based on your health history.

Are other heartburn medications like Famotidine or Omeprazole safe?
Yes. Extensive testing has been done on other classes of acid-reducing medications like PPIs (e.g., omeprazole) and other H2 blockers (e.g., famotidine), and they have not been found to have the same NDMA formation issue. They are considered safe and effective alternatives.

References

  1. U.S. Food and Drug Administration (FDA): Official announcements regarding the Ranitidine withdrawal. FDA Ranitidine Information Page
  2. European Medicines Agency (EMA): European regulatory updates on Ranitidine. EMA Ranitidine Referral Page

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