<unk>  can be experienced with long, drawn-out daily symptoms that reduce quality of life, known as chronic (or generalized)<unk> , or it can be experienced in short spurts with sporadic, stressful panic attacks, known as acute<unk> . Symptoms of<unk>  can range in number, intensity, and frequency, depending on the person. While almost everyone has experienced<unk>  at some point in their lives, most do not develop long-term problems with<unk> .<unk>  may cause psychiatric and physiological symptoms. The risk of<unk>  leading to depression could possibly even lead to an individual harming themselves, which is why there are many 24-hour suicide prevention hotlines. The behavioral effects of<unk>  may include withdrawal from situations which have provoked<unk>  or negative feelings in the past. Other effects may include changes in sleeping patterns, changes in habits, increase or decrease in food intake, and increased motor tension (such as foot tapping). The emotional effects of<unk>  may include "feelings of apprehension or dread, trouble concentrating, feeling tense or jumpy, anticipating the worst, irritability, restlessness, watching (and waiting) for signs (and occurrences) of danger, and, feeling like your mind's gone blank" as well as "nightmares/bad dreams, obsessions about sensations, déjà vu, a trapped-in-your-mind feeling, and feeling like everything is scary." It may include a vague experience and feeling of helplessness. The cognitive effects of<unk>  may include thoughts about suspected dangers, such as fear of dying: "You may ... fear that the chest pains are a deadly heart attack or that the shooting pains in your head are the result of a tumor or an aneurysm. You feel an intense fear when you think of dying, or you may think of it more often than normal, or can't get it out of your mind." The physiological symptoms of<unk>  may include: *Neurological, as headache, paresthesias, fasciculations, vertigo, or presyncope. *Digestive, as abdominal pain, nausea, diarrhea, indigestion, dry mouth, or bolus. Stress hormones released in an anxious state have an impact on bowel function and can manifest physical symptoms that may contribute to or exacerbate IBS. *Respiratory, as shortness of breath or sighing breathing. *Cardiac, as palpitations, tachycardia, or chest pain. *Muscular, as fatigue, tremors, or tetany. *Cutaneous, as perspiration, or itchy skin. *Uro-genital, as frequent urination, urinary urgency, dyspareunia, or impotence, chronic pelvic pain syndrome.
Anxiety
Akathisia
Phobia
Malaise
Sickness behavior
High-functioning autism
Body image disturbance
Antidepressant discontinuation syndrome  Antidepressant discontinuation syndrome  1