An 18-year-old with CHS developed dangerous phosphorus depletion from severe vomiting | Research

The takeaway

An 18-year-old daily cannabis user with cannabinoid hyperemesis syndrome developed severe and rapidly changing hypophosphatemia, a potentially dangerous electrolyte disturbance from prolonged vomiting.

Emergency physicians, internists, and clinicians managing CHS presentations.

Severe, rapidly changing hypophosphatemia in 18-year-old CHS patient

What the researchers found

An 18-year-old male with daily cannabis use presented with CHS and developed severe hypophosphatemia (low blood phosphorus) that changed rapidly, requiring careful monitoring and correction. This electrolyte disturbance is a less recognized but potentially serious CHS complication.

Why it matters

CHS-related vomiting can cause electrolyte disturbances beyond the commonly checked sodium and potassium. Hypophosphatemia can cause muscle weakness, respiratory failure, and cardiac dysfunction if unrecognized.

The numbers in context

18-year-old male with daily, prolonged cannabis use. Severe and rapidly changing hypophosphatemia documented during CHS episode.

How the study worked

Single case report documenting clinical presentation, laboratory findings, and management of severe hypophosphatemia in an 18-year-old with CHS and daily cannabis use.

What this study cannot tell us

Single case report. Cannot determine how common hypophosphatemia is in CHS. Other factors (nutritional status, refeeding) may have contributed. No long-term follow-up reported.

How to read the evidence

Single case report alerting clinicians to a specific complication. Cannot establish frequency.

When this study was published

Published 2023.

The bigger picture

As CHS becomes more common, the full spectrum of its complications is still being mapped. Electrolyte monitoring in CHS should be comprehensive, not limited to the most commonly checked values.

Questions still open

How often does clinically significant hypophosphatemia occur in CHS? Should phosphorus be routinely monitored in CHS presentations?

Common questions

What electrolyte problems can CHS cause?

The severe vomiting in CHS can deplete multiple electrolytes. This case highlights hypophosphatemia (low phosphorus), which is less commonly checked than sodium or potassium but can cause serious complications including muscle weakness, breathing problems, and heart rhythm disturbances.

How serious is hypophosphatemia?

Severe hypophosphatemia can be life-threatening. Phosphorus is essential for cellular energy production, muscle function, and many metabolic processes. When levels drop severely, it can cause respiratory failure, cardiac dysfunction, and confusion. It requires careful, gradual correction.

Read the original research

Severe and rapidly changing hypophosphatemia in cannabinoid hyperemesis syndrome: a case report.

Oxford medical case reports, 2024(6), omae055

View on PubMed ↗Publisher’s paper ↗

Citation

Acharya, Prakash; Mishra, Aakash; Kuikel, Sandip; Mishra, Aman; Rauniyar, Robin; Khanal, Kunjan; Nepal, Amit Sharma; Thapaliya, Sahil. (2024). Severe and rapidly changing hypophosphatemia in cannabinoid hyperemesis syndrome: a case report.. Oxford medical case reports, 2024(6), omae055. https://doi.org/10.1093/omcr/omae055