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 06:08

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