Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 26.06.2025 01:12

Alcohol
Brain Tumors
Mental disorder
Hallucinogen use
Alcohol withdrawal
Delirium tremens
Pharmaceutical drug (abuse or side effects)
Bipolar disorder
Sleep disorders
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).
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Infection
⁉️sources from my experiences and internet research ⁉️
Alzheimer's disease,
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Parkinson's disease
Fever
Affective disorders
Charles Bonnet syndrome
Dementia with Lewy bodies
Dementia and drug use cause paranoia. That is very common. Some of other things that can include delusions and/or hallucination can be:
Withdrawal from benzodiazepines
Migraines
Head injury
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Stress
PTSD
Narcolepsy
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