Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 02.07.2025 14:43

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