Search results
Results From The WOW.Com Content Network
Amphetamines are a class of psychoactive drugs that are stimulants.Paradoxical drowsiness can sometimes occur in adults. [1] Research from the 1980s popularized the belief that ADHD stimulants such as amphetamine have a calming effect in individuals with ADHD, but opposite effects in the general population. [2]
In contrast, stimulants, or "uppers", increase mental alertness, making stimulants the opposite drug class from depressants. Antidepressants are defined by their effect on mood, not on general brain activity, so they form an orthogonal category of drugs. Depressants are closely related to sedatives as a category of drugs, with significant ...
A stimulant is an overarching term that covers many drugs including those that increase the activity of the central nervous ... while cocaine has the opposite effect. [9]
As a stimulant, Adderall can constrict blood vessels throughout the body. As a result, it can restrict the flow of blood to the reproductive organs and make it more difficult to achieve and ...
Changes in appetite or weight are common among antidepressants but are largely drug-dependent and related to which neurotransmitters they affect. Mirtazapine and paroxetine, for example, may be associated with weight gain and/or increased appetite, [178] [179] [180] while others (such as bupropion and venlafaxine) achieve the opposite effect ...
Anxiolytic substances have the opposite effect to anxiogenic substances in that they reduce levels of anxiety. Some of these are used in psychopharmacotherapy as antidepressants to treat a range of mental health conditions, including various types of anxiety disorders, panic disorders, and depression.
Reverse tolerance can also occur in users of stimulants such as cocaine or amphetamines. A previously recreational dose may become enough to cause psychosis in regular users, or users who previously had a psychotic episode may be more likely to have one in the future and at lower doses once drug usage continues. [6]
Unlike stimulant medications, guanfacine is regarded as having no abuse potential, and may even be used to reduce abuse of drugs including nicotine and cocaine. [17] It is also FDA approved to treat high blood pressure. [7]