Hello dr my baby is 3 years old day before she got a vomit so we gave ondem, vomit has stopped but yesterday night she has cold and cough because of which she didn’t not sleep please suggest something

A. hi dear your child is repeatedly vomiting and is unable to hold down fluids. you think they're dehydrated – symptoms of dehydration can include a dry mouth, crying without producing tears, peeing less or not wetting many nappies, and drowsiness. their vomit is green or contains blood.