thanks for asking i gone through your question.you giving whole mild in 8 month old kid since last 1 month. since last 2 days he vomit 3 times. I i would your treating pediatrician. i would prescribe medicine syp domperidom 2.5 ml stat and sos. Most common cause of vomiting is gastritis .which is relived by one or two dose of domeperidom .Domperidome is oral the counter avaible drug in most part of world . you can try domperidom before going to urgent care. and there no need for 2% milk. some time loose motion follow the vomiting , if loose motion occur then you should give oral re-hydration solution to replace water loss in loose motions hope i able to answer your query have health family life