J.T.
What did they test for / what are the results? Don't know if this was ruled out, but It could be the coughing is from reflux and the vomiting is from overfeeding becuase he is so hungry...
I had to feed my daughter small amounts at a time and she had to be upright afterwards. She even slept with her head higher than her feet. It helped when she was put on medication, but we still needed to be careful not to let her have too much at one time. SHe grew out of it by around 10 months or so...