Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 01.07.2025 03:42

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