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 19:19

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