Some psychoactive drugs can also affect the functions of the autonomic nervous system. Amphetamines, which are commonly prescribed to treat ADHD, can lead to elevated heart rates and increased arousal. References: 1  American Psychological Association. 2  APA concise dictionary of psychology.
If you are sick with strep throat, you will be contagious until you have been on antibiotics for at least 24 hours. However, your symptoms may last longer than that. It is important to take all of your antibiotics as prescribed.
Guttate psoriasis is not contagious and usually occurs on the trunk, arms, or legs. However, it may cover a large portion of the body. The trigger of the disease is usually a streptococcal (bacterial) infection. The eruption of the skin lesions usually happens about two to three weeks after a person has strep throat.