The symptoms of anxiety include excessive and ongoing worry and tension, an unrealistic view of problems, restlessness or a feeling of being " edgy ", irritability, muscle tension, headaches, sweating, difficulty concentrating, nausea, the need to go to the bathroom frequently, tiredness, trouble falling or staying asleep, trembling, and being easily startled.

Withdrawal symptoms can include nausea, emesis, anorexia, diarrhea, rhinorrhea, diaphoresis, myalgia, paresthesia, anxiety, agitation, restlessness, and insomnia.

The psychological withdrawal symptoms can include psychosis, and can be mistaken for a relapse of the underlying disorder.

This can result in symptoms that include anxiety, life threatening seizures, delirium tremens, hallucinations, shakes and possible heart failure.

The most general symptoms of a cerebral AVM include headache and epilepsy, with more specific symptoms occurring that normally depend on the location of the malformation and the individual.

Such possible symptoms include:

Signs and symptoms of the depressive phase of bipolar disorder include persistent feelings of sadness, anxiety, guilt, anger, isolation, or hopelessness ; disturbances in sleep and appetite ; fatigue and loss of interest in usually enjoyable activities ; problems concentrating ; loneliness, self-loathing, apathy or indifference ; depersonalization ; loss of interest in sexual activity ; shyness or social anxiety ; irritability, chronic pain ( with or without a known cause ); lack of motivation ; and morbid suicidal ideation.

These symptoms include delusions or, less commonly, hallucinations, usually unpleasant.

The symptoms of a benzodiazepine overdose may include ; drowsiness, slurred speech, nystagmus, hypotension, ataxia, coma, respiratory depression, and cardiorespiratory arrest.

The typical symptoms of dehydration include low blood pressure, poor skin turgor ( wrinkled hands ), sunken eyes, and a rapid pulse.

Common symptoms of alcohol intoxication include slurred speech, euphoria, impaired balance, loss of muscle coordination ( ataxia ), flushed face, dehydration, vomiting, reddened eyes, reduced inhibitions, and erratic behavior.

The signs and symptoms of acute alcohol poisoning include:

Early symptoms of ingestion include nausea, vomiting, diarrhoea, abdominal pain, wild hallucinations, delirium, and severe headache.

Some early symptoms that correlate with a later diagnosis of dyslexia include delays in speech, letter reversal or mirror writing, and being easily distracted by background noise.

At later ages symptoms can include a difficulty identifying or generating rhyming words, or counting syllables in words ( phonological awareness ), a difficulty segmenting words into individual sounds, or blending sounds to make words, a difficulty with word retrieval or naming problems, commonly very poor spelling which has been called dysorthographia ( orthographic coding ), and tendencies to omit or add letters or words when writing and reading are considered classic signs.

Common Axis III disorders include brain injuries and other medical / physical disorders which may aggravate existing diseases or present symptoms similar to other disorders.

These symptoms include hypergraphia, hyperreligiosity, fainting spells, and mutism and often are collectively ascribed to a condition known as Geschwind syndrome.

These include anxiety and depressive symptoms as well as cognitive difficulty.

He considered ' These phantasies include a great deal of the true constitutional essence of the subject's personality ' and that the energetic man ' is one who succeeds by his efforts in turning his wishful phantasies into reality ', while the artist ' can transform his phantasies into artistic creations instead of into symptoms ... the doom of neurosis '.

In the case of altitude sickness, where hypoxia develops gradually, the symptoms include headaches, fatigue, shortness of breath, a feeling of euphoria and nausea.

Otherwise Whipple's triad is required which include symptoms consistent with hypoglycemia, a low blood sugar, and resolution of these symptoms once the blood sugar improves.

Examples of symptoms during sleep can include damp bed sheets or clothes from perspiration.

The most frequent symptoms of withdrawal from benzodiazepines are insomnia, gastric problems, tremors, agitation, fearfulness, and muscle spasms.

Therefore, some of the symptoms of hyperthyroidism may be nervousness, irritability, increased perspiration, heart racing, hand tremors, anxiety, difficulty sleeping, thinning of the skin, fine brittle hair, and muscular weakness — especially in the upper arms and thighs.

More severe withdrawal symptoms which occur can include seizures ( some of which can be fatal ), visual and auditory hallucinations, suicidal ideation, extremely severe panic attacks, depersonalization, tremors, delirium, delirium tremens and if not treated as an emergency by a proper medical staff death from a seizure can occur.

More advanced and serious symptoms include seizures or convulsions, tremors, hallucinations, and memory problems.

The first symptoms of neuroleptic malignant syndrome are usually muscle cramps and tremors, fever, symptoms of autonomic nervous system instability such as unstable blood pressure, and alterations in mental status ( agitation, delirium, or coma ).

Some of the most typical symptoms include blindness, partial or total paralysis, inability to speak, deafness, numbness, difficulty swallowing, incontinence, balance problems, seizures, tremors, and difficulty walking.

Depending on the quantity ingested and size of the dog, symptoms may also include muscle tremors, joint pain and severe abdominal pain.

The most prominent symptoms include tremors ( initially affecting the hands and sometimes spreading to other parts of the body ), emotional lability ( characterized by irritability, excessive shyness, confidence loss, and nervousness ), insomnia, memory loss, neuromuscular changes ( weakness, muscle atrophy, muscle twitching ), headaches, polyneuropathy ( paresthesia, stocking-glove sensory loss, hyperactive tendon reflexes, slowed sensory and motor nerve conduction velocities ), and performance deficits in tests of cognitive function.

Overdose and toxicity can result in a variety of symptoms, especially in pets, including drooling, lethargy, muscle tremors, vomiting, seizures and death.

Toxicity symptoms in humans include asthmatic breathing, sneezing, nasal stuffiness, headache, nausea, incoordination, tremors, convulsions, facial flushing and swelling, and burning and itching sensation.

Imbalances can result in tremors, jerks, and other movement problems, as seen in some people with progressive neurological disorders characterized by symptoms like tremors.

Those with MBD will experience symptoms such as weakness, bones becoming spongy, deformities in their limbs and spine, twitching or tremors, and a lack of appetite.

** Parkinsonian symptoms such as muscle tremors, rigidity, hypokinesia, and / or balance or postural instability

The symptoms include tremors and writhing movements of the body and limbs but is also seen in the face and mouth in the form of ' tongue rolling '.

These symptoms can include drowsiness, tremors or shaking of the muscles, seizures, collapse, and even coma that can lead to death.

The stimulator produces electrical impulses that affect the nerve cells around the electrode and should help alleviate tremors or symptoms that are associated with the affected area.

Upon protracted exposure symptoms are more prominent and resemble those of idiopathic Parkinson's disease, which it is often misdiagnosed as, although there are particular differences in both the symptoms ( nature of tremors, for example ), response to drugs such as levodopa, and affected portion of the basal ganglia.

Tiagabine overdose can produce neurologic symptoms such as lethargy, seizures ( multiple ), status epilepticus, seizure ( single ), coma, confusion, agitation, tremors, dizziness, dystonias / abnormal posturing, and hallucinations.

For over forty years Darwin suffered intermittently from various combinations of symptoms such as: malaise, vertigo, dizziness, muscle spasms and tremors, vomiting, cramps and colics, bloating and nocturnal intestinal gas, headaches, alterations of vision, severe tiredness, nervous exhaustion, dyspnea, skin problems such as blisters all over the scalp and eczema, crying, anxiety, sensation of impending death and loss of consciousness, fainting, tachycardia, insomnia, tinnitus, and depression.

* Some of the symptoms, such as tachycardia, fatigue and tremors, were already present before the Beagle voyage ;

Other less destructive procedures are sometimes preferred, such as subthalamic deep brain stimulation ( DBS ), since this procedure can also improve tremors and other symptoms of PD.