 [ Symptoms ] my wife gives my 3 year old son tums when he claims to have a stomachache is it goodsafe to give it to him [ Disease ] the first thought that pops into my mind is how often are we talking about and is it the children is version  tums makes a product for children but there are specific instructions on how and when to use them this should not be a usual situation and i would recommend bringing this up with the doctor or health care provider for further evaluation