Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 29.06.2025 09:03

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