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 00:00

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