Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 01.07.2025 16:31

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