Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 28.06.2025 14:28

Parkinson's disease
Infection
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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Alzheimer's disease,
Seizures
Mental disorder
Fever
⁉️sources from my experiences and internet research ⁉️
Sleep disorders
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PTSD
Head injury
Charles Bonnet syndrome
Stress
Hallucinogen use
Dementia with Lewy bodies
Grief (yes, sadly)
Delirium tremens
Pharmaceutical drug (abuse or side effects)
Dementia and drug use cause paranoia. That is very common. Some of other things that can include delusions and/or hallucination can be:
Bipolar disorder
Alcohol withdrawal
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Withdrawal from benzodiazepines
Alcohol
Brain Tumors
Do empaths fall easier for abusive people?
Migraines
Affective disorders
Narcolepsy