rome_iv_cannabinoid_hyperemesis_syndrome: Rome IV Diagnostic Criteria for Cannabinoid Hyperemesis...

In cliot: Clinical Indices and Outcomes Tools

Rome IV Diagnostic Criteria for Cannabinoid Hyperemesis Syndrome (CHS)

Description

Evaluates the **Rome IV criteria** for diagnosing **Cannabinoid Hyperemesis Syndrome (CHS)**. Diagnosis requires cyclical episodes of vomiting and nausea, chronic cannabis use, relief from symptoms with hot baths/showers, and exclusion of other causes.

Usage

rome_iv_cannabinoid_hyperemesis_syndrome(recurrent_severe_vomiting,
                                         cannabis_use_ge_6mo,
                                         symptoms_relieved_by_hot_bath,
                                         symptom_onset_after_cannabis,
                                         other_conditions_excluded,
                                         symptom_onset_ge_6mo,
                                         symptoms_active_last_3mo)

Arguments

recurrent_severe_vomiting	Numeric (0 or 1). Presence of recurrent, severe nausea and vomiting. (1 = Yes).
cannabis_use_ge_6mo	Numeric (0 or 1). History of prolonged and frequent cannabis use (e.g., typically daily/weekly for >= 6 months). (1 = Yes).
symptoms_relieved_by_hot_bath	Numeric (0 or 1). Symptoms are relieved by hot baths or showers. (1 = Yes).
symptom_onset_after_cannabis	Numeric (0 or 1). Did symptoms start after cannabis use began? (1 = Yes).
other_conditions_excluded	Numeric (0 or 1). Have other causes of cyclical vomiting been excluded? (1 = Yes).
symptom_onset_ge_6mo	Numeric (0 or 1). Did symptom onset occur at least **6 months ago**? (1 = Yes).
symptoms_active_last_3mo	Numeric (0 or 1). Have criteria been fulfilled for the last **3 months**? (1 = Yes).

Value

A list containing:

Diagnosis

"Criteria Met for Cannabinoid Hyperemesis Syndrome (CHS)" or "Criteria Not Met".

References

Stanghellini V, Chan FK, Hasler WL, et al. Gastroduodenal Disorders. Gastroenterology. 2016;150:1380-1392. doi:10.1053/j.gastro.2016.02.011

Examples

# Example 1: Diagnosis Met
# Recurrent vomiting (1), Chronic use (1), Hot bath relief (1),
#Onset after cannabis (1), Exclusions clear, Chronic duration met
rome_iv_cannabinoid_hyperemesis_syndrome(1, 1, 1, 1, 1, 1, 1)

# Example 2: Not Met (No hot bath relief)
# All criteria met except no symptom relief with hot baths (0)
rome_iv_cannabinoid_hyperemesis_syndrome(1, 1, 0, 1, 1, 1, 1)

cliot documentation built on Dec. 1, 2025, 1:06 a.m.