Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 30.06.2025 00:01

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