There are several subtypes of<unk> . The classifications of<unk>  and vomiting are: *Acute: occurring within 24 hours of<unk>  *Delayed: occurring between 24 hours and 5 days after treatment *Breakthrough: occurring despite prophylactic treatment *Anticipatory: triggered by taste, odor, memories, visions, or anxiety related to<unk>  *Refractory: occurring during subsequent cycles when antiemetics have failed in earlier cycles
Chemotherapy-induced nausea and vomiting
Cyclic vomiting syndrome
Dumping syndrome
Alimentary toxic aleukia
Refeeding syndrome
Infection-induced anorexia
Acute HME syndrome
Paraneoplastic syndrome