Hello & welcome, I am Dr. B, a licensed veterinarian and I would like to help you with your wee one today.
How long has he had these signs?
Any retching, gagging, lip licking or vomiting?
Can Milo drink and keep water down?
Are his gums pink or pale/white? Moist or sticky?
If you press on his belly, does he have any discomfort, tenderness, or tensing?
Could he have eaten something he should not have (ie bones, toys, plants, chemicals, etc)?
Has he been straining like he needs to pass stool? Did he have diarrhea before today?