Well following the results of the RAST blood tests I have no idea what sets Thomas's asthma off. Turns out it was negative to moulds, house dust mites and animal dander. The coeliac screen was negative. Normal immunoglobulin levels, normal c3-c4, normal IgE..
The MRI showed normal intracranial appearance, small anterior pituitary but posterior pituitary shows normal signal. Have to wait for his endo appointment in may to discuss this further along with some of the other tests that we still don't have results for.
He is having a bone age X-ray tomorrow.
Luckily his asthma is ok at the moment but I was just hoping there would be something allergy wise so we could avoid it.