Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 29.06.2025 13:50

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