Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 26.06.2025 02:28

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