Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 02.07.2025 03:54

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