Action Plan CHSSOS
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Step 1 of 8
01
Calm Your System First
- Find a cool, quiet space immediately, away from heat, crowds, and strong smells
- Sit or lie down; slow your breathing, 4 counts in, 4 counts out
- Remind yourself: this will pass, CHS episodes are temporary
- Avoid panic, anxiety amplifies nausea and prolongs the episode

Step 2 of 8
02
Apply Heat Immediately
- Take a hot shower, this is the fastest relief for most CHS sufferers
- Water temperature: as hot as comfortably tolerable (not scalding)
- Focus stream on abdomen and lower back
- No shower? Use a heating pad on the stomach, 104–113°F (40–45°C)

Step 3 of 8
03
Hydrate Slowly
- Sip small amounts of water or electrolyte drinks, don’t gulp
- Avoid citrus, caffeine, or carbonated drinks, they worsen nausea
- If vomiting, wait 10–15 minutes after stopping before drinking
- Goal: prevent dehydration without triggering more vomiting

Step 4 of 8
04
Reduce Stimulation
- Dim or turn off bright lights, photosensitivity increases during episodes
- Mute or eliminate loud sounds, even TV or music can worsen symptoms
- Avoid strong scents, perfumes, cleaning products, food smells
- Rest in a dark, quiet room if the hot shower doesn’t provide full relief

Step 5 of 8
05
Avoid Triggers
- Do not use cannabis, even a small amount will restart or worsen the episode
- Avoid spicy, fatty, or strong-smelling foods during recovery
- Stay away from alcohol, it dehydrates and irritates the gut
- Avoid NSAIDs (ibuprofen) if vomiting, risk of kidney stress when dehydrated

Step 6 of 8
06
Support Your Body
- Take anti-nausea medication if prescribed (ondansetron/Zofran is common)
- Apply capsaicin cream to abdomen, may help some CHS sufferers (consult doctor)
- Rest as much as possible, sleep is healing
- Eat only when ready: bland foods first, crackers, toast, rice, broth

Step 7 of 8
07
Know When to Seek Help
- Go to the ER if vomiting is uncontrollable for more than 4–6 hours
- Seek help for signs of severe dehydration: dark urine, dizziness, no urination
- Watch for chest or kidney pain, rare but serious complications
- Inform the ER you have CHS, request IV fluids and anti-nausea medication
Step 8 of 8
08
After the Episode
- Give your body 24–48 hours to fully recover, take it easy
- Document the episode: duration, triggers, what helped, patterns matter
- Talk to your doctor about medication adjustments if episodes are frequent
- The only cure for CHS is cannabis cessation, every episode is a signal
Immediate Action Plan:
Managing a CHS Episode
1 / 8
Quick Overview
🧘
01
Calm Down
🚿
02
Apply Heat
💧
03
Hydrate Slowly
🔌
04
Reduce Stimulation
🚫
05
Avoid Triggers
💪
06
Support Body
🚑
07
Seek Help
🔄
08
After Episode
⚠️ Long-Term Prevention
The only proven cure for CHS is complete and permanent cessation of cannabis use.
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