Methamphetamine can reduce your appetite and make you feel:
How long the effects last and the drug stays in your system depends on how much you’ve taken, your size and what other drugs you may have also taken.
The effects of methamphetamine can last a very long time.
Smoking the purer, crystalline form of methamphetamine, crystal meth, produces a very intense high similar to that produced by crack cocaine but is much longer lasting. The effects can last for a period of between 4 and 12 hours.
The comedown from methamphetamine is severe.
Crystal meth can report positive in a urine test for 1 to 4 days after using.
How long a drug can be detected for depends on how much is taken and which testing kit is used. This is only a general guide.