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 02:08

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