Mixing Ketamine and Opioids
- Ketamine also called
- ket, special k, kitty, kittens
- Opioids also called
- opiate, opiates, opioid, heroin, dope, smack
Dangerous
Both substances bring a risk of vomiting and unconsciousness. If the user falls unconscious while under the influence there is a severe risk of vomit aspiration if they are not placed in the recovery position.
This combination carries bodily risk and can go badly psychologically. The headspace part often arrives first and makes the physical part harder to notice.
Can you mix Ketamine and Opioids?
High risk of death or life-changing injury. Do not combine.
- Opioids
- Full agonists — heroin, oxycodone, morphine
TripSit drug combination chart, retrieved 2026-08-20. View the dataset.
Checking more than two?
Combinations of three or more carry risks that no pair-by-pair chart can show. The checker rates every pair at once and flags the whole-mix ones on top.
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Rated dangerous. Educational information only, not medical advice. Absence of a documented interaction is not evidence of safety.