Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 02.07.2025 08:51

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