if i've taken methadone will shooting oxy not affect me?

It's hard to say, the other opiate (your DOC) would probably increase the overall action a bit but it wouldn't feel like the DOC because methadone is so powerful. Methadone is a ridiculously powerful drug and if you do mix, be careful as the sedation can get dangerous quickly. My recommendation is to wait until the methadone wears off so that you get actual good effects from your DOC and also so you don't push your limits with methadone. Seriously, methadone is about the worst drug you could push your luck with.

Good luck and stay safe.
 
i shot an oxy thirty and im feeling great it wasn't a bad combo but i know how dangerous it is to mix methadone with other stuff i deffinently wont be doing it again in the future but i got lucky
 
It depends upon the dosage and pattern of usage. For most adults the so called "Blocking Dose Threshold" is 70 millgrams of methadone. If you are only a casual user of it you can still often gain some benefit from other opiates/opioids, like your oxy. The "Blocking" effect is really dependent upon regularly patterned usage and even then it takes until at least the 4th week to reach. That said, combining opiates/opioids is not a good idea ESPECIALLY with methadone.

Substances are subject to a value known as Metabolic Half Life (as opposed to Radioactive Half Lfe). MHL, usually discussed simply as "Half Life" represents how long it takes the average adult to fully metabolise a substance (as in how long a substance "lasts"). Methadone's Half Life is thirty-six hours. Its psychoactivity, or "high", lasts up to eight hours. So, you take a dose of methadone, several hours later you are sober. You feel like getting high but your body still has dozens of hours to go before the methadone is flushed from your body. This is why methadone is a terrible drug for recreational use, and even worse for pain. People rarely understand the mechanics and amazingly this includes physicians who prescribe it for pain.
 
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