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If you see your child or family member twitching repeatedly, don't assume it'll become a permanent behavior. Instead, be patient and supportive of the person and try to understand how stress at home, work or school might play a role. In the vast majority of cases, twitches during childhood fade way within a few months anyway. On the other hand, a neurotic twitch that develops in an adult is less likely to resolve itself.  If a person has a neurotic twitch for a year or so, then TS is more likely, but it's still possible it might go away or become more mild and controlled. Emotional, psychological and physical stressors are linked to most neurotic disorders. As such, observe your child's routine to understand their primary stressors and alleviate them if possible. There are no lab or brain imaging tests used for diagnosing neurotic twitches, so the cause can be a bit of a mystery in most cases. Try not to get frustrated or too concerned with neurotic twitches, particularly in children, because they commonly fade away after a few months or so. Research the topic online (using reputable sources) to get an understanding of the condition and how common it is among children. Serious disorders that can cause neurotic twitching need to be ruled out by your doctor. They include attention deficit disorder (ADHD), uncontrollable movements due to a neurological disease (myoclonus), obsessive-compulsive disorder (OCD) and epilepsy. Most doctors and psychologists recommend that family members and friends don't pay much attention to neurotic twitching or tics, at least at first. The rationale is that too much attention, especially if it's negative and involves disparaging remarks, can cause more stress and exacerbate the twitching. It's difficult to balance taking interest in someone's problem, but not going overboard with attention that feeds the problem.  Don't mimic the person's twitching in order to be funny or playful — it can make them more self-conscious or nervous. If the twitches don't go away within a few weeks, ask the person what's bothering them. Repetitive movements, such as sniffing and coughing, can also be caused by allergies, chronic infections or another illnesses. Deciding on treatment should depend on how disruptive the twitching is to the person's life, not how embarrassed you might be. If the twitching is severe enough to cause social problems at school or work for a child or adult, then some form of counseling or therapy should be sought. Therapy typically involves a child psychologist or psychiatrist who uses cognitive behavioral interventions and/or psychotherapy. Over the course of multiple sessions, the child or adult should be accompanied by a close family member or friend for support.  Cognitive behavioral therapy includes habit reversal training, which helps to identify the urge to twitch or have repetitive behaviors and then teaches the patient to voluntarily combat them from occurring. Tics are often classified as "Involuntary" movements rather than involuntary ones, because the tics can be willfully suppressed for a period of time. However, this often results in discomfort that builds until the tic is performed.  Psychotherapy involves more talking to the patient and asking probing questions. It helps more with accompanying behavioral problems, such as ADHD and OCD. Depression and anxiety are also quite common in people who develop neurotic twitches. Most twitching can't be halted completely with therapy, but it can be made less obvious or forceful. There are prescription drugs to help control neurotic twitching and reduce the effects of related behavioral problems, but it depends if the condition is considered short term or long term, and if the person is a child or an adult. Drugs are not given to kids with TTD (temporary or transient tics), but are to those diagnosed with severe long-term TS. Psychotropic drugs change symptoms and behaviors, but they often have serious side effects, so discuss the pros and cons with your doctor.  Drugs that help control twitches by blocking dopamine in the brain include: fluphenazine, haloperidol (Haldol) and pimozide (Orap). Perhaps paradoxically, side effects include an increase in involuntary, repetitive tics. Botulinum (Botox) injections paralyze muscle tissue and are helpful for controlling mild and isolated twitching of the face / neck. ADHD drugs, such as methylphenidate (Concerta, Ritalin) and dextroamphetamine (Adderall, Dexedrine), can sometimes reduce neurotic twitching, but they can make them worse also. Central adrenergic inhibitors, such as clonidine (Catapres) and guanfacine (Tenex), can increase impulse control in kids and help them to reduce their anger / rage. Anti-seizure drugs used for epilepsy, such as topiramate (Topamax), can also help twitching in people with TS.  Unfortunately, there is no guarantee that any medication will help reduce the symptoms of a neurotic tic disorder. In order to reduce the incidence of undesired side effects associated with medication, dosing should start low and increase slowly up to the point when side effects appear then stop or decrease.

Summary:
Be patient and don't assume the worst. Don't get frustrated with diagnosing. Don't pay too much attention to it. Consider some form of counseling or therapy. Ask your doctor about medication.