Bismuth subsalicylate. 5 Symptom Relief: Nausea. Heartburn. Indigestion. Upset stomach. Diarrhea. www.pepto-bismol.com. www.pg.com. Questions? 1-800-717-3786. Other information: Each 30 ml dose contains: Magnesium 3 mg, sodium 4 mg. Salicylate 261 mg. low sodium. protect from freezing. avoid excessive heat (over 140 degrees F or 40 degrees C). Tamper Evident: Do not use if printed shrinkband is missing or broken.