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168 Possible Causes for Visual Hallucinations May Occur

  • Hyperventilation

    Impairment of concentration and memory may be described as part of episodes. Déjà vu or auditory and visual hallucinations can rarely occur.[medlink.com]

  • Acute Hyperventilation

    Patients may report feelings of depersonalization and may experience visual hallucinations.[emedicine.medscape.com] Impairment of concentration and memory may be described as part of episodes. Déjà vu or auditory and visual hallucinations can rarely occur.[medlink.com] Syncope or seizure may be provoked by hyperventilation. [6] Paresthesias occur more commonly in the upper extremity and are usually bilateral.[emedicine.medscape.com]

  • Drug-induced Fever

    Drug-induced hallucinations are usually visual, but they may affect other senses.[nhs.uk] More often, visual distortions occur that alter the person's perception of the world around them.[nhs.uk] They can also occur during withdrawal from alcohol or drugs if you suddenly stop taking them.[nhs.uk]

  • Neurotic Disorder

    Visual Hallucinations are less common, but do occur in some cases. Disordered Thought -- Thinking is irrational and disorganized.[users.ipfw.edu] These voices may be critical of the person, and in some cases may tell the person to do certain things.[users.ipfw.edu]

  • Alzheimer Disease

    (often visual), and parkinsonism, the diagnosis may be overlooked, especially in later stages of the illness, until the patient experiences significant extrapyramidal symptoms[dx.doi.org] If this occurs, the drug should be discontinued and a diagnosis of dementia with Lewy bodies entertained.[dx.doi.org] […] neuroleptic malignant syndrome, to typical and atypical antipsychotics. 57 - 61 Although dementia with Lewy bodies is characterized by fluctuating levels of impairment, hallucinations[dx.doi.org]

  • Alcohol Withdrawal

    Transient auditory or visual hallucinations may occur within the first 2 days of decreasing or discontinuing alcohol consumption, and can be separate from DTs.[mdedge.com] […] are usually visual, although auditory and tactile phenomena may also occur.[ragingalcoholic.com] More concerning are hallucinations, delirium tremens (DTs), and seizures.[mdedge.com]

  • Psychogenic Hyperventilation

    Patients may report feelings of depersonalization and may experience visual hallucinations.[unp.me] Syncope or seizure may be provoked by hyperventilation. 4 Paresthesias occur more commonly in the upper extremity and are usually bilateral.[unp.me]

  • Posterior inferior cerebellar artery occlusion

    Occlusion of the "top" of the basilar artery can result in a large number of complex syndromes that may include visual hallucinations, somnolescence, various ocular findings[tchain.com] The "locked in syndrome", denoting a state where the unfortunate patient can think and see but may be unable to respond may occur.[tchain.com]

  • Migraine

    Geometric visual patterns and even hallucinations may occur. This is fully reversible. An aura has no motor symptoms.[patient.info] It may be homonymous, ie it affects just one side of the visual field but in both eyes.[patient.info]

  • Micturition Syncope

    Roving eye movements may occur.  Grunting, moaning, snorting, and stertorous breathing may be present.  Urinary incontinence may occur.[slideshare.net] .  Postictal confusion is also rare  Although visual and auditory hallucinations and  near death and out-of-body experiences are sometimes reported. 8.[slideshare.net]

Further symptoms