What are the side effects from topamax (topiramate)?

Numbness,stones: The most common is nubness and tingling which respond by adding potassium next is kidnet stones, need extra hydration third is speech difficulty need to start with 25 mg and double every 2 weeks, very slow introduction and the best of all is weight loss which is very desirable for obesity, as a matter of fact they are making topomax and Phentermine for weight loss.