Gặp phải suy nghĩ về đối tượng hoặc tình huống đáng sợ có thể gợi lên ấn tượng đau khổ, hoảng loạn, đổ mồ hôi, run rẩy trong chống khủng bố. Người bệnh lại có thể có những cơn ác mộng thường xuyên của các đối tượng hoặc tình huống đáng sợ, | 24 PHOBIAS Encountering or thinking about the feared object or situation may evoke striking distress panic sweating trembling in terror. Sufferers may have recurrent nightmares of the feared object or situation and search for it wherever they go. Blood-injury phobics unlike other phobics may faint at the sight of blood. The slightest evidence of presence of the phobic object is disturbing where most people never notice it. A woman screamed on finding a spider at home ran to find a neighbour to remove it shook fearfully and kept a neighbour at her side for two hours before she could remain alone at home again. Another found herself on top of her refrigerator in the kitchen with no memory of how she had got there terror at the sight of a spider had made her lose her memory for a moment. Yet another jumped out of a boat though she could not swim to avoid a spider she found in it once she jumped out of a speeding car and on another occasion off a galloping horse to escape spiders she had found near her. The phobia may severely restrict where phobics live walk or work. A pigeon phobia may cause avoidance of parks gardens waiting at bus stops or shopping. A flying phobic might change his job if the work comes to involve flying. A lift phobic roofing expert who had to complete work on the roof of a 600-foot-high tower walked to the top twice a day rather than go up in the lift. A filmmaker who was phobic of human whistling at a particular frequency could not return to the studio for days after someone whistled there. If the phobia is of medical procedures or blood it can become life threatening due to avoidance of health care or lead to rotting teeth if dentists are shunned and women may avoid having children. A phobia of swallowing solid food may force the adoption of a liquid diet. A hypersensitive gag reflex may cause people to avoid wearing ties and dentistry. Sphincteric phobics avoid being far from public toilets for fear that they might wet or soil their pants. .
