Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 25.06.2025 00:33

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