 [ Symptoms ] what should i do if i suspect an overdose of banophen maximum strength [ Disease ] see also precautions this product may be harmful if swallowed if overdose or swallowing is suspected contact a poison control center or emergency room immediately us residents can call the us national poison hotline at 1 800 222 1222 canada residents can call a provincial poison control center if too much of this medication is applied to the skin wash it off with plenty of soap and water symptoms of overdose may include mentalmood changes confusion dry mouth slurred speech trembling handsfeet seizures