Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 26.06.2025 00:17

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