They are signs of a heart attack. But it may be a combination of the nicotine withdrawals and a sugar rush as well if he ate a lot of candy.
Here is an excellent site to explain more about heart attack symptoms as well.
Also here is a site that gives symptoms of nicotine withdrawals as well.
Hope this helps, if you are unsure, you may wish to take him just to be on the safe side. I'm not that to evaluate him. So it would be hard to say which it may be. But at the hospital they will know for sure.
Hope this helps, If you need anything else please feel free to ask. If you found this helpful don’t forget to click the *accept* button!
