It doesn't need heat for plugging, adderall is amphetamine salts and they're highly soluble in water. If you have instant release they're especially soluble and turn into a fine powder (they would probably dissolve if left whole and just let sit for a bit with some stirring...). Amphetamines also work very well rectally,
This paper suggest that the intranasal route is especially effective for amphetamines but there are zero papers on rectal administration despite wikipedia's claim on bioavailability. (
http://onlinelibrary.wiley.com/doi/10.1046/j.1471-4159.1997.68010233.x/pdf ). The paper says
These data provide neurochemical evidence that the intranasal route may not only be efficient in drug abuse, but may also be useful to target the brain therapeutically, as in the case of neurodegenerative brain disorders.
Gotta thank the Journal of Neurochemistry for keeping us high as hell! This is the first journal article I've ever read phrase it quite like that.... However they didn't test rectal administration and I have a pretty good feeling that rectal administration is similar to intranasal administration and easier on you (no nose irritation).
Whatever you do please do not go shooting up amphetamine again chasing that high. The conclusion is unpleasant but it is pretty apparent - you need to take a break from abusing amphetamine otherwise you may not find it pleasurable like you used to. It likely has an extremely high rectal bioavailability, it's extremely soluble in water I'm sure you're not doing it wrong, though maybe you are? You may want to have the syringe deeper than 2", there are two rectal sphincters. I believe I remember reading that past the second one was ideal and it's more than two inches in there. A 1ml oral syringe works perfectly, CVS gives them away for free (mine does and every employee does so I assume they will). I still don't think you're doing it wrong and you need to face up to that your body can't take chronic high doses of something that both releases neurotransmitters and inhibits their reuptake
and continue to produce the same response without some physiological change and/or some other tolerance mechanism.
However in my experience stimulant tolerance resets fairly rapidly, but I've never used stimulants for more than a handful of days so I don't know about extended abuse. You need a break, shooting will only get you in the same position a little down the line, you'll be trashing your body risking death with sepsis as your procedure probably was insufficient and I'm sure you weren't using .3 micrometer syringe filters... this can cause strokes or actually destroy your lung tissue and the smaller ones also can filter out bacteria however you should have been filtering and using bacteriostatic water and alcohol prep pads and sterile syringes one time only. I have a feeling you neglected one of these things. I assume cause you're trying the rectal route that you understand that sepsis can easily lead to death.
Last time I did stimulants on a 4+ day binge I felt like shit for three days but then it got better rapidly. I have a feeling you never make it that far? You really need it.
