First Aid Only Over the Counter Antacid Medications for First Aid Kits and Cabinets Over the counter antacid medication for first aid kits and cabinets and can be used as a standard supply as a standalone. Convenient dispenser. Contains: 250 tablt; Calcium Carbonate 420 mg; Description: PhysiciansCare Antacid; For Use With: Standalone First Aid or as a Refill for a Kit. Global Product Type: Medicines-Digestive Relief Contains: 250 tablt; Calcium Carbonate 420 mg Description: PhysiciansCare Antacid For Use With: Standalone First Aid or as a Refill for a Kit Pre-Consumer Recycled Content Percent: 0% Post-Consumer Recycled Content Percent: 0% Total Recycled Content Percent: 0%