Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 03.07.2025 01:00

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