Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 27.06.2025 05:01

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