Active substance

Aspirin, Anhydrous Citric Acid, Sodium Bicarbonate

4 products from 3 companies contain this in United States.

4 without prescriptionTablet, Effervescent

Available without a prescription

Cvs Health Extra Strength Antacid and Pain Reliever1000 mg + 1985 mg + 500 mgWithout prescriptionTablet, Effervescent CVS Pharmacy · Aspirin, Anhydrous Citric Acid, Sodium Bicarbonate Meijer Effervescent Antacid and Pain Relief325 mg + 1916 mg + 1000 mgWithout prescriptionTablet, Effervescent Meijer Distribution Inc · Aspirin, Anhydrous Citric Acid, Sodium Bicarbonate Quality Choice Effervescent Antacid and Pain Relief - Extra Strength500 mg + 1000 mg + 1985 mgWithout prescriptionTablet, Effervescent Chain Drug Marketing Association · Aspirin, Anhydrous Citric Acid, Sodium Bicarbonate Quality Choice Extra Strength Effervescent Antacid and Pain Relief1985 mg + 500 mg + 1000 mgWithout prescriptionTablet, Effervescent Chain Drug Marketing Association · Aspirin, Anhydrous Citric Acid, Sodium Bicarbonate

Same substance is not the same product. Strength, form, release mechanism and other ingredients all differ. Whether one can replace another is a decision for a pharmacist.