23yo vomits if she gets upset about anything?not anorexia but worrying.if it continues?

ANXIETY: May be anxiety as this can lead to a variety of physical symptoms. Speak with pcp and seek therapy perhaps medications.

Anxiety: Anxiety manifests in multiple combinations if physical symptoms including nausea, vomiting, diarrhea, lightheaded ness...Etc. Treatment of anxiety requires careful assessment to decide which subtype of anxiety one has. Then after a diagnosis is made a treatment plan is introduces, mild anxiety usually responds to cbt but moderate & severe may require medication and cbt.