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 07:17

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