Meth alters mood in different ways, depending on how it is taken. Immediately after smoking or injecting, the user experiences an intense "rush" or "flash" that lasts only a few minutes and is described as extremely pleasurable. Smoking or injecting meth produces effects fastest, within five to ten seconds. Snorting or ingesting meth produces euphoria - a high but not an intense rush. Snorting produces effects within three to five minutes, and ingesting orally produces effects within 15 to 20 minutes.