At this point, I think my question belongs to the mental health thread, as doctors can't find a reason for my son's issues (he's 13 years old). If anybody is experiencing the same situation I will be grateful for any insight I get.
My son is a very healthy teenager, or this I thought. A year and a half ago he started having digestive issues (mucus instead of stools, loose stools, constipation, cramps). These issues were temporal, disappeared for a few months then returned for a few weeks for no apparent reason. All the tests done by the gastroenterologist at the hospital were good, with no disease diagnoses, they said he was fine and that those problems might be a light IBS.
Then came a period of time when he needed to pee constantly (no burning feeling, no pain). Urine and blood tests were perfect, and showed my son was very healthy but like with GI issues the frequent peeing comes and goes.
A new problem appeared a month ago: after lunch, if he goes out to walk/exercise he gets stabbing pain in his chest, doubles, and says he can't breathe. He's fine when he exercises in the morning, but when he walks and drinks water, and when he walks and eats while walking the pain shows up. He needs to sit down for a few minutes and then he is fine.
All those issues are very limiting as we are afraid to travel, or go somewhere. We spent last week in Italy and every afternoon we had to sit down for half an hour, every other hour, due to this chest pain. We had a lot of planned visits we had to cancel and of course, he felt awful.
Could this all be a phase? Anxiety? His doctor won't see him, says all tests have been good for the past year and there are no more tests to be done that are not invasive and she doesn't see the need to make him go through that as there is no visible inflammation or infection and his blood couldn't be better.
We try not to worry as he's a happy kid but still, I can't help wondering if something is wrong...