Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 24.06.2025 00:31

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