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 03:11

Alzheimer's disease,
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:
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Infection
⁉️sources from my experiences and internet research ⁉️
Hallucinogen use
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Fever
PTSD
Head injury
Affective disorders
Delirium tremens
Charles Bonnet syndrome
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Brain Tumors
Alcohol withdrawal
Some of those things on the list are very very rare cases but I just wanted to cover everything (or almost everything).
Parkinson's disease
Grief (yes, sadly)
Seizures
Psychopathic individuals recognize unfairness but are less likely to punish it - PsyPost
Withdrawal from benzodiazepines
Alcohol
Bipolar disorder
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Dementia with Lewy bodies
Mental disorder
Migraines
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Sleep disorders
Stress
Narcolepsy
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