Call Poison Control at 1-800-222-1222 as soon as you know or suspect a child ate a cannabis edible, even if the child looks fine. Call 911 instead if the child is hard to wake, breathing slowly or struggling to breathe, having a seizure, or vomiting without stop. Both calls are free, and poison center specialists stay on the line with you. The sections below cover what to watch for hour by hour, what to tell the people treating your child, and how households with kids should store edibles so this does not repeat.
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Why Edibles Affect Children Differently
THC dose is measured against body weight, and a small child weighs a fraction of an adult. A single piece of candy that gives an adult a mild buzz can deliver a large dose to a 30 pound child. Edibles also absorb slowly through the stomach, so effects arrive late and last longer than inhaled cannabis. Many legal US markets cap one serving at 5 to 10 mg of THC while the full package may hold 100 mg or more, which means one small candy can equal several adult servings.
Child Cannabis Overdose Signs: A Parent's Quick Guide
- Children absorb THC from food over 30 minutes to 2 hours, so a child can look normal right after eating it.
- Peak effects often land 2 to 4 hours after eating, and symptoms can linger 8 to 12 hours or longer.
- Young children cannot describe what they feel, so behavior changes are the main signal.
Symptoms to Watch For
Mild to moderate signs include sleepiness, unsteady walking, slurred speech, confusion, dizziness, fast heartbeat, nausea, and vomiting. More serious signs include slow or shallow breathing, a child who cannot be roused, muscle twitching, seizures, and pale or bluish lips. Some children also become agitated or see things that are not there. Symptoms can build for hours after the edible was eaten, so a child who seems okay at first still needs observation and a call to Poison Control.
child ate cannabis edible
What to Do in the First Hour
- Move the child away from any remaining edibles and keep the package.
- Call 1-800-222-1222 or 911 based on the signs above.
- Stay with the child and keep them on their side if they vomit.
- Note the time of eating, the product name, and the THC milligrams per piece and per package.
- Follow the instructions you are given, including whether to go to an emergency department.
Do not try to make the child vomit unless a medical professional tells you to. Do not give food, drinks, or home remedies to dilute the dose. Do not wait to see if symptoms pass on their own, because breathing problems can start without warning.
What to Tell Poison Control or the Emergency Team
Bring the packaging. Staff need the THC content, the number of pieces missing, the child's age and weight, the time of ingestion, and any medications the child takes. If the edible also contained CBD, chocolate, xylitol, or alcohol, say so, since those change the treatment plan. Expect monitoring, and in serious cases IV fluids, oxygen, or other supportive care. Most children recover fully with observation and time.
Storage Options Compared
Locked hard case or lockbox
- Pros: blocks access from climbing kids, keeps edibles out of sight, protects potency and freshness.
- Cons: costs money, needs a key or code you will not lose, requires you to use it every single time.
High shelf or kitchen cabinet
- Pros: free, fast to set up, works for adults who use edibles rarely.
- Cons: kids climb, and candy-shaped products sit next to actual snacks, which invites mistakes.
Refrigerator or freezer
- Pros: good for chocolates and baked goods that spoil.
- Cons: shared with food, easy for a child to open, and cold does not stop anyone from eating it.
Use-Case Recommendation
If a child under 12 lives in or visits your home, use a locked case kept in a room the child does not enter, and return the product to that case the moment you finish. Keep edibles in their original child-resistant packaging so the THC content is readable in an emergency. Households without kids can store edibles in a cabinet, as long as visitors with children are told where they are before they arrive.