Alka-Seltzer Heartburn Relief Extra Strength (Anhydrous citric acid, Sodium bicarbonate (heat-treated))

**Product type:** Human Otc Drug

**Active ingredient:** CITRIC ACID MONOHYDRATE; SODIUM BICARBONATE

**Strength:** 1000; 1976 mg/1; mg/1

**Dosage form:** Tablet, Effervescent

**Route:** Oral

**Labeler:** Bayer Healthcare LLC

**Marketing category:** OTC MONOGRAPH DRUG (M001)

**Pharmacologic class:** Acidifying Activity [MoA], Anti-coagulant [EPC], Calcium Chelating Activity [MoA], Calculi Dissolution Agent [EPC], Decreased Coagulation Factor Activity [PE], Increased Large Intestinal Motility [PE], Inhibition Large Intestine Fluid/Electrolyte Absorption [PE], Osmotic Activity [MoA], Osmotic Laxative [EPC]