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 13:12

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