Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 03.07.2025 02:14

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