Bismuth subsalicylate. 5 Symptom Relief: Nausea; Heartburn; Indigestion; Upset stomach; Diarrhea. www.pg.com. www.pepto-bismol.com. Questions? 1-800-717-3786. Made in Mexico. Other information: Each Tablet Contains: Calcium 140 mg, magnesium 9 mg. Salicylate 99 mg. Low sodium. Avoid excessive heat (Over 104 degrees F or 40 degrees C).