Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 30.06.2025 05:45

PTSD
Stress
Infection
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Alcohol withdrawal
Hallucinogen use
Bipolar disorder
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Grief (yes, sadly)
Pharmaceutical drug (abuse or side effects)
Sleep disorders
Brain Tumors
Dementia and drug use cause paranoia. That is very common. Some of other things that can include delusions and/or hallucination can be:
Parkinson's disease
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Alcohol
Head injury
Alzheimer's disease,
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Dementia with Lewy bodies
Charles Bonnet syndrome
Fever
Affective disorders
Seizures
Mental disorder
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⁉️sources from my experiences and internet research ⁉️
Delirium tremens
Withdrawal from benzodiazepines
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Migraines
Some of those things on the list are very very rare cases but I just wanted to cover everything (or almost everything).
Narcolepsy
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