Phobia
A phobia is an anxiety disorder, defined by an irrational, unrealistic, persistent and excessive fear of an object or situation. Phobias typically result in a rapid onset of fear and are usually present for more than six months. Wikipedia
Causes: Genetic and environmental factors
Complications: Suicide, high risk of comorbidities
Duration: More than six months
Symptoms: Fear of an object or situation
Treatment: Exposure therapy, counselling, medication
Usual onset: Rapid