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.
Recognizing Symptoms. 1  1. Note any throat pain. Strep throat is a contagious infection caused by streptococcus bacteria. 2  2. Open your mouth and examine your throat. In addition to a severe sore throat that starts quick, your throat tonsils may look red and swollen, sometimes with white patches or pus. 3  3. Feel your neck.