The diagnosis is depression and medication advised. It is now time for the patient to take an active role in the selection of an antidepressant. The physician takes a careful history of the symptoms and explains the various types of antidepressants and their side effects.

Stress not only causes emotional strain, but the body may physically react to stress as well. In response to significant or long-term stress, a person will have a greater risk for serious health problems such as heart disease, obesity, difficulty sleeping or depression, states MayoClinic.com.

Attention Deficit Hyperactivity Disorder, or ADHD, affects 4 percent to 12 percent of American school-aged children, according to the American Academy of Pediatrics. Although ADHD is most commonly diagnosed after children enter school, most experts agree that the tendency to develop ADHD is already present at birth.

A person who is considered to be a sociopath has developed behaviors that violate the rights of others. Often these are criminal in nature. The "Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition"

Pathological liars are individuals who cannot stop lying, even when there is no clear benefit for them to do so. They are unable to control their lying. Unlike normal people who lie to get out of trouble or for other common reasons, pathological liars lie just to lie.

Autism is a pervasive developmental disorder affecting social and verbal development in children. According to 2000 data from the American Psychiatric Association, between 0.002 percent and 2 percent of children are diagnosed as autistic, with boys being diagnosed four to five times more often than girls.

Lamictal is the brand name for a medication called lamotrigine. Lamotrigine is an anti-convulsant, which means it is often prescribed as a treatment for epilepsy. However, Lamictal can also be used to treat depression.

Dopamine, like norepinephrine, is a neurotransmitter in the brain that initiates adrenalin, a hormone, during the activation of the stress response. The stress response is generally self-regulating, ready to respond to a potential threat and then back down once the threat is lifted.

Herpes is an incurable viral infection that can be managed with over-the-counter and prescription medications. MayoClinic.com suggests that some medications can significantly reduce the frequency and duration of outbreaks. Medications available without a prescription should only be used as directed.

Mental abuse is a type of domestic violence. Being involved in a mentally abusive and controlling relationship can wreak havoc on many different parts of your life, including your self-esteem, relationships, career and overall psychological well-being. Give yourself credit for getting out of the relationship.

The neurotransmitter serotonin, also known by its chemical name 5-hydoxytryptamine, is released by neurons in the pineal gland of the brain but can affect structures all over the body. Some of the effects of serotonin seem unrelated, making this compound one of the most diverse in the body.

Effexor, or venlafaxine, is an anti-depressant medication used to treat depression and anxiety. Several classes of medications are used to treat these conditions. If venlafaxine doesn't lead to improvement, other medications can be tried.