Differential diagnoses of cyclic vomiting
| DIFFERENTIAL DIAGNOSIS | ASSOCIATED CHARACTERISTICS |
|---|---|
| CHS | Chronic cannabis use |
| Learned behaviour of hot bathing | |
| Cyclic vomiting syndrome | Family history of migraines |
| Psychiatric comorbidities | |
| Psychosocial stressors | |
| Hyperemesis gravidarum | Pregnancy |
| Migraines | Unilateral headache |
| Photophobia or phonophobia with or without aura | |
| Metabolic disorders | Addison disease (symptoms include fatigue, hypotension, hyperkalemia, hyponatremia) |
| Porphyria (symptoms include neurovisceral symptoms, red or brown urine, elevated urinary porphobilinogen) | |
| Motility disorders | Gastroparesis (symptoms include early satiety, postprandial fullness, bloating, decreased gastric motility; it can be an idiopathic or postsurgical condition or associated with diabetes) |
| Ogilvie syndrome (symptoms include constipation, abdominal distention; plain film results reveal dilated colon) | |
| Intestinal obstruction (symptoms include constipation, obstipation, abdominal distention; plain film results reveal dilated loops of bowel) | |
| Psychogenic vomiting | Associated with conversion disorders, depression |
| Bulimia | Binging or purging behaviour |
CHS—cannabinoid hyperemesis syndrome.