Hallucination: Hallucination is listed as an alternate name or description for symptom:
Causes of Hallucinations (Hallucination): See detailed list of causes below.
Medical Book Extracts related to Hallucinations (Hallucination): Refer to the excerpt book sections about Hallucinations below.
Hallucinations (medical symptom): Seeing, hearing or sensing something that does not exist.
Hallucinations (medical symptom): Hallucinations can arise from a high fever or other illness involving a fever. These type of febrile hallucinations arise particularly in children and the elderly.
Hallucinations can affect any of the senses: visual hallucinations (seeing things), aural hallucinations (hearing noises or voices), taste hallucinations, or sensory hallucinations.
Chronic cases of hallucinations and delusions typify psychiatric disorders such as schizophrenia and other delusional disorders. Delusions differ from hallucinations in that delusions refer to the mind's reasoning and thoughts, rather than its sensory inputs.
It is important to be precise about this symptom, and to dinstinguish true hallucinations from other symptoms such as nightmares, vision changes, delirium, dementia, aura (e.g. the "aura" before a migraine or faint), and delusions.
The list of medical condition causes of Hallucinations (Hallucination) includes:
All 243 causes of Hallucinations
Review the causes of the following types of more specific symptoms for Hallucination:
Research the causes of these related symptoms that are similar to, or related to, the symptom Hallucination:
Research the causes of these symptoms that are more broader types of symptom than Hallucination:
For a medical symptom description of 'Hallucination', the following symptom information may be relevant to the symptoms: Hallucinations (symptom). However, note that other causes of the symptom 'Hallucination' may be possible.
More information on symptom: Hallucinations:
Hallucination (medical condition): For a medical symptom description of 'Hallucination', the following disease information may be relevant to the symptoms: Hallucination (disease information). However, numerous other possible causes of the symptom may be possible.
Hallucination (medical condition): Incorrect perception of any of the senses.
More information on medical condition: Hallucination:
Free access to excerpts from published medical book extracts about the causes and diagnosis of Hallucinations from the following published medical books is available for more detailed information that is related to Hallucination.
... Is there associated fever? Delirium with fever may simply indicate a self-limited infectious process, but it should bring to mind encephalitis and meningitis as well as ... DIAGNOSTIC WORKUP ... READ EXCERPTS »
... Is there a history of drug or alcohol ingestion? Hallucinations are common during alcohol withdrawal but also may be noted in cocaine addiction, marijuana addiction, LSD intoxication, and PCP ... DIAGNOSTIC WORKUP ... READ EXCERPTS »
... An acute confusional state caused by a disturbance in global cortical function. Features include disturbance of consciousness, change in cognition, fluctuations of symptoms,... Differential Diagnosis ... Workup and Diagnosis ... Treatment ... READ EXCERPTS »
... Hallucinations are psychotic symptoms in which patients perceive stimuli that do not exist. Any of the five senses (auditory, visual, tactile, gustatory, or olfactory) may be involved, with auditory... Differential Diagnosis ... Workup and Diagnosis ... Treatment ... READ EXCERPTS »
... Delirium is an alteration in consciousness that can be associated with hallucinations, disorientation, and delusions. Normal thought processes are altered, including judgment, and rational behavior may be lost. Causes... Differential Diagnosis ... Workup and Diagnosis ... Treatment ... READ EXCERPTS »
... Hallucinations are defined as perceptual experiences that do not occur in reality. They may be auditory (most common), visual, tactile, or olfactory. Differential Diagnosis ... Workup and Diagnosis ... Treatment ... READ EXCERPTS »
... The differential diagnosis of delirium is very similar to that for coma and one finds the mnemonic VINDICATE useful in this regard. V—Vascular disorders ... READ EXCERPTS »
... A hallucination is seeing, hearing, touching, smelling, or tasting something that is not there. Auditory hallucinations without evidence of mental deterioration usually indicate ... READ EXCERPTS »
... Halo vision refers to seeing rainbowlike, colored rings around lights or bright objects. This effect can be explained by this physical principle: As light passes through water (in the eye, through tears or the cells... History and physical examination ... Medical causes ... Special considerations ... READ EXCERPTS »
... Psychotic behavior reflects an inability or unwillingness to recognize and acknowledge reality and to relate with others. It may begin suddenly or insidiously, progressing from... History and physical examination ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Pictures ... READ EXCERPTS »
... A complex partial seizure occurs when a focal seizure begins in the temporal lobe and causes a partial alteration of consciousness — usually confusion. Psychomotor seizures can occur at any age, but their incidence usually... History ... Medical causes ... Special considerations ... Pediatric pointers ... READ EXCERPTS »
... Halo vision refers to seeing rainbowlike colored rings around lights or bright objects. The rainbowlike effect can be explained by this physical principle: As light passes... History and physical examination ... Medical causes ... Special considerations ... Pediatric pointers ... Geriatric pointers ... READ EXCERPTS »
... Psychotic behavior reflects an inability or unwillingness to recognize and acknowledge reality and to relate with others. It may begin suddenly or insidiously, progressing from vague complaints of fatigue, insomnia, or headache to... History and physical examination ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Pictures ... READ EXCERPTS »
... A complex partial seizure occurs when a focal seizure begins in the temporal lobe and causes a partial alteration of consciousness—usually confusion. Psychomotor seizures... History and physical examination ... Medical causes ... Special considerations ... Pediatric pointers ... READ EXCERPTS »
... Linda P. Shields Delirium, as defined by the Diagnostic and Statistical Manual of Mental Disorders, 4th edition criterion (1), is a condition involving an acute confusional state recognized... Approach. ... History ... Physical examination. ... Testing ... Diagnostic assessment. ... READ EXCERPTS »
... Differential Overview Systemic ❑ Drugs/toxins ❑ Sepsis &... Diagnostic Approach ... Clinical Findings ... Pictures ... READ EXCERPTS »
... Halo vision refers to seeing rainbowlike, colored rings around lights or bright objects. Halo vision usually develops suddenly; its duration depends on the causative disorder. This symptom may occur with disorders... History ... Physical assessment ... Medical causes ... Special considerations ... Pediatric pointers ... Geriatric pointers ... Patient counseling ... Pictures ... READ EXCERPTS »
... Psychotic behavior reflects an inability or unwillingness to recognize and acknowledge reality and to relate with others. It may begin suddenly or insidiously, progressing from vague complaints of fatigue,... History ... Physical assessment ... Medical causes ... Other causes ... Special considerations ... Pediatric pointers ... Patient counseling ... Pictures ... READ EXCERPTS »
... A complex partial seizure occurs when a focal seizure begins in the temporal lobe and causes a partial alteration of consciousness — usually confusion. Psychomotor seizures can occur at any age, but incidence usually increases during... History ... Physical assessment ... Medical causes ... Special considerations ... Pediatric pointers ... Patient counseling ... Pictures ... READ EXCERPTS »
... Halo vision refers to seeing rainbowlike, colored rings around lights or bright objects. This effect can be explained by the physical principle that as light passes through water (in the eye, through tears or the cells of various... History and physical examination ... Medical causes ... Nursing considerations ... Patient teaching ... READ EXCERPTS »
... Psychotic behavior reflects an inability or unwillingness to recognize and acknowledge reality and to relate with others. It may begin suddenly or insidiously, progressing from vague complaints of fatigue, insomnia, or... History and physical examination ... Medical causes ... Other causes ... Nursing considerations ... Patient teaching ... Pictures ... READ EXCERPTS »
... A complex partial seizure occurs when a focal seizure begins in the temporal lobe and causes a partial alteration of consciousness—usually confusion. Psychomotor seizures... History and physical examination ... Medical causes ... Nursing considerations ... Patient teaching ... READ EXCERPTS »
... The differential diagnosis of delirium is very similar to that for coma, and one finds the mnemonic VINDICATE useful in this regard. V—Vascular disorders of the brain ... READ EXCERPTS »
... A hallucination is seeing, hearing, touching, smelling, or tasting something that is not there. Auditory hallucinations without evidence of mental deterioration usually indicate schizophrenia, but epilepsy, ... READ EXCERPTS »
Copyright notice for book excerpts: Copyright © 2008 Lippincott Williams & Wilkins. All rights reserved.
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