There is considerable risk of physical harm when combining these substances. Use extreme caution.
Note: Amphetamines and NBOMes both provide considerable stimulation. When combined they can result in tachycardia, hypertension, vasoconstriction and in extreme cases heart failure. The anxiogenic and focusing effects of stimulants are also not good in combination with psychedelics as they can lead to unpleasant thought loops. NBOMes are known to cause seizures and stimulants can increase this risk.
Substances in these categories
Amphetamines
NBOMes
Interaction Matrix
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These drugs work together to cause an effect greater than the sum of its parts. They aren't likely to cause an adverse or undesirable reaction when used carefully.
Effects are additive. The combination is unlikely to cause any adverse or undesirable reaction beyond those that might ordinarily be expected from these drugs.
One substance may reduce or counteract some of the effects of the other.
These combinations are not usually physically harmful, but may produce undesirable effects. Use caution.
There is considerable risk of physical harm when combining these substances. Use extreme caution.
These combinations are considered dangerous and should be avoided.
The interactions between these substances are not well documented.