Other differences in brain activity and function have been found. However, they have been used in several other conditions. Stimulants can help the daytime sleepiness associated with narcolepsy. One can add a stimulant to an antidepressant if a depressed individual has only partially responded to antidepressant therapy. Some individuals with attention and organizational problems secondary to brain damage may improve with stimulant treatment.
Some individuals find that a low dose stimulant taken before sexual activity can help.
Some have used stimulant medications to energize individuals who are apathetic and lethargic due to a severe medical illness. It is approved for use in individuals ages six and older. It usually starts to work about 15 to 30 minutes after it is taken. It peaks an average of 90-120 minutes after it is taken. This can vary from one individual to another.