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 08:18

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