Computers and Electronics Can Tums hurt a baby? Can Tums hurt a baby? Antacid Tablets are minimally toxic. If your child ate antacid tablets, give them a few sips of water. If your child experiences symptoms, or ate Pepto Bismol Tablets call IPC immediately at 1-800-222-1222. Related Posts:Should I take Pepto-Bismol if I feel like throwing up?Can Pepto-Bismol help you poop?Should I stop taking Pepto Bismol if my stool is black?Help a child with special needs deal with having surgery.