Quick answer

You cannot reverse a THC edible. The main treatment is time, a calm place, and fluids. Effects can last 6 to 12 hours and often peak 1 to 3 hours after eating. Do not take more cannabis. Do not drink alcohol. If symptoms are severe, call Poison Control at 1-800-222-1222 or 911.

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First steps

  1. Stop eating or drinking anything with THC.
  2. Move to a quiet, safe room. Dim the lights. Sit or lie down.
  3. Drink water in small sips. Eat a light snack if you feel shaky.
  4. Tell a trusted person how you feel. Ask them to stay with you.
  5. Set a timer for 30 minutes. Check whether symptoms are getting better, worse, or staying the same.

What helps while you wait

What not to do

When to get medical help

Call 911 or Poison Control if you have:

cannabis edibles mg dosage chart

How to prevent a repeat

  1. Start with 2.5 to 5 mg THC. Wait 2 hours before taking more.
  2. Read the label. One piece may contain several doses.
  3. Keep edibles in a locked place away from children and pets.
  4. Write the dose and time on a note so you can track it.

Bottom line

Most strong edible experiences pass with time, rest, and reassurance. Severe symptoms need medical care. Poison Control is free and confidential at 1-800-222-1222 in the US.

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