Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 22.06.2025 01:13

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