Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 28.06.2025 02:59

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