What are the differences between Donnatal (Phenobarbital, Hyoscyamine, Atropine, Scopolamine), Acid Gone Antacid Liquid (Aluminum Hydroxide, Magnesium Hydroxide), Mag-Al Plus Suspension (Magnesium Aluminum Hydroxide), and Lidocaine HCl (Lidocaine Hydrochloride)?

Medical Advisory BoardAll articles are reviewed for accuracy by our Medical Advisory Board
Educational purpose only • Exercise caution as content is pending human review
Article Review Status
Submitted
Under Review
Approved

Last updated: April 1, 2025View editorial policy

Personalize

Help us tailor your experience

Which best describes you? Your choice helps us use language that's most understandable for you.

From the Research

The most significant differences between these GI cocktails lie in their ingredients and mechanisms of action, with Donnatal being an anticholinergic/barbiturate combination, Acid Gone Antacid Liquid and Mag Al Plus Suspension being antacids, and Lidocaine HCl being a local anesthetic. The main differences between these GI cocktails are due to their distinct ingredients and mechanisms of action. Donnatal is an anticholinergic/barbiturate combination containing phenobarbital, hyoscyamine, atropine, and scopolamine that reduces GI spasms and secretions by blocking acetylcholine 1. Acid Gone Antacid Liquid is primarily an antacid containing calcium carbonate and magnesium hydroxide that neutralizes stomach acid to relieve heartburn and indigestion. Mag Al Plus Suspension combines aluminum hydroxide and magnesium hydroxide to neutralize stomach acid while providing a protective coating for the stomach lining. Lidocaine HCl is a local anesthetic that numbs nerve endings in the GI tract to reduce pain sensation. These medications are often used for different GI complaints - Donnatal for spasmodic conditions, antacids (Acid Gone and Mag Al Plus) for acid-related discomfort, and lidocaine for pain relief. Sometimes they're combined as "GI cocktails" for comprehensive symptom management. Key points to consider when choosing between these options include:

  • The specific symptoms being targeted (e.g., spasms, acid reflux, pain)
  • Potential side effects, such as drowsiness and dry mouth with Donnatal, constipation or diarrhea with antacids, and numbness or rare cardiac effects with lidocaine
  • The latest research, such as a 2023 study showing lidocaine's potential to ameliorate intestinal barrier dysfunction in irritable bowel syndrome by modulating corticotropin-releasing hormone receptor 2 2 Dosing varies by product and patient needs, and side effects differ significantly. Given the most recent and highest quality evidence, lidocaine has shown promise in managing irritable bowel syndrome symptoms, particularly in reducing intestinal barrier dysfunction 2.

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

Have a follow-up question?

Our Medical A.I. is used by practicing medical doctors at top research institutions around the world. Ask any follow up question and get world-class guideline-backed answers instantly.