Low risk, decreased effect

Low risk of harm from the combination, but one substance is expected to blunt the other. Redosing to chase the missing effect is the usual way this turns dangerous.

Do this

If one feels weaker than usual, wait it out instead of taking more.

Reported

Commonly used to come down or sleep, and reasonably effective at it. Two cautions: benzodiazepines cause blackouts, so it becomes easy to lose track of further stimulant doses, and taking them before the meth has substantially cleared usually means taking more benzodiazepine than intended to get any sedation at all.

General answer for Benzodiazepines: nothing specific to these two is documented.

What “Low risk, decreased effect” means

Low risk of harm from the combination, but one substance is expected to blunt the other. Redosing to chase the missing effect is the usual way this turns dangerous.

How the ratings work
Sources (2)
Other names
Methamphetamine
meth, crystal, crystal meth, ice, tina, shard
Roughly twice as potent, and lasts three to four times as long
Zolpidem
ambien, ambien cr, stilnox, edluar, intermezzo, zolpimist
Works like a benzo, plus sleepwalking and sleep-driving with no memory of it
Also searched asmeth and Ambien, crystal and Ambien, meth and ambien cr, crystal and ambien cr

Related combinations

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Can you mix Methamphetamine (meth) and Zolpidem (Ambien)?

MixSafe rates mixing Methamphetamine and Zolpidem as "Low risk, decreased effect" — low risk of harm from the combination, but one substance is expected to blunt the other. Redosing to chase the missing effect is the usual way this turns dangerous. No interaction specific to Methamphetamine and Zolpidem is documented; this is the default for Benzodiazepines. Source: MixSafe research. Educational information, not medical advice.

This is a class-level answer, inherited from Benzodiazepines. Nothing specific to this exact pair is documented, so treat it as the default for the class rather than a measurement of these two drugs together.