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 06:15

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