Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 01.07.2025 16:42

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