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 23:57

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