How about you don't do heroin crack baby
anywhere from three to five days typically depending on the amount ingested and your metabolism. mixing the dope with water has no effect on the length of time it will be detectable in a drug test.
The only sure way is to not put it in the system in the first place.
In the UK, heroin is a class A drug.
Heroin is an opiate.
Heroin will usually stay in your system for 2-5 days. Drink several glasses of water so you urinate as much as possible before your drug test. But, be warned that drinking enough water to flush your system will result in clear urine which will be considered too diluted and you will fail your drug test. After you've drank enough water, and your urine is clear, drink enough soda to make you urinate a couple more times to make your urine a yellowish color.
No, Methadone will not hide heroin on a drug test.
Heroin is a narcotic drug, not a demon.
It's called heroin. Go back to school.
Yes, never done heroin but done this several times for pot, use gaterade instead of water though that way you pee still has color.
Either heroin, or cocaine.
Heroin
heroin is a semi-synthetic drug, ive just done about it in my drugs and toxicology module at uni