Hyperactivity

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  Seizure

  An epileptic seizure is a transient symptom of excessive or synchronous neuronal activity in the brain. It can manifest as an alteration in mental state, tonic or clonic movements, convulsions, and various other psychic symptoms (such as déjà vu or jamais vu). The medical syndrome of recurrent,...
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  Diarrhea

  In medicine, diarrhea (from the Greek, "diarrhoia" meaning "a flowing through"), also spelled diarrhoea (see spelling differences), is the condition of having frequent loose or liquid bowel movements. Acute diarrhea is a common cause of death in developing countries and the second most common cause...
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  Lack of Concentration

  Lack of concentration is a symptom of certain behavioral disorders.
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  Vomiting

  Vomiting (known medically as emesis and informally as throwing up and a number of other terms) is the forceful expulsion of the contents of one's stomach through the mouth and sometimes the nose. Vomiting may result from many causes, ranging from gastritis or poisoning to brain tumors, or elevated...
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  Weight loss

  Weight loss, in the context of medicine, health or physical fitness, is a reduction of the total body mass, due to a mean loss of fluid, body fat or adipose tissue and/or lean mass, namely bone mineral deposits, muscle, tendon and other connective tissue. It can occur unintentionally due to an...

• Agitation

  Agitation is a state that indicates unrest. An extreme form is known as psychomotor agitation, which can be a side effect of antipsychotic medication.

• Polyuria

  In medicine, polyuria is a condition characterized by the passage of large volumes of urine (at least 2.5 L over 24 hours in adults). Polyuria often appears in conjunction with polydipsia (increased thirst), though it is possible to have one without the other, and the latter may be a cause or an...

• Tachypnea

  Tachypnea (or "tachypnoea") (Greek: "rapid breathing") is characterized by rapid breathing. It is not identical with hyperventilation - tachypnea may be necessary for a sufficient gas-exchange of the body, for example after exercise, in which case it is not hyperventilation. Tachypnea differs from...

• Polyphagia

  Polyphagia means "eating too much." It derives from the Greek words πολύ (poli) which means "very much", and φαΐ (fai) which means "food". In medicine, polyphagia (sometimes known as hyperphagia) is a medical sign meaning excessive hunger and abnormally large intake of solids by mouth. Disorders...

• Polydipsia

  Polydipsia is a medical symptom in which the patient displays excessive thirst. The word derives from the Greek πολυδιψία, which is derived from πολύς (polys, "much, many") + δίψα (dipsa, "thirst"). An etymologically related term is dipsomaniac, meaning an alcoholic. This symptom is...