Any Complications If Child Is Given Asthalin Respiratory Medicine Accidentally?

My kid is 16 months old and wieghs about 15 Kgs. By mistake we gave orally aesthalin respiratory medicine meant for nebulization . Dosage was about 4 times normal. After that he did vomiting. 2-3 times and in 3 hours his stomach was emptied out in paediatric emergency. Its been 12 hours since this happened and he seems normal. Heartbeast is normal.. Please advice.