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 02:28

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