Lithium Carbonate and vomiting

I am up at this moment, because my stomach is hurting from the lithium. I've been on it now for about a year, but my stomach just started hurting at night after about an hour after taking it for about three months now. Is anyone else experiencing this? I read one post above about it, but that's all. There is no vomiting, but just upset stomach. It keeps me awake. I'm on lithium and lamictal, and Topomax. If you experience this, is anyone taking anything for the nausea? Thank you! And everyone hang in there! You're in my prayers! Don't give up!

My seven year old son has been on Lithium for a month. He had Smith-Magnis Syndrome and has severe behavior problems. After only one month of Lithium he is vomiting and has diarrhea. I am calling his pyschriatrist to find out what to do with him. I guess I'll take him to Children's Hospital for a work up.