Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 27.06.2025 00:27

Brain Tumors
Mental disorder
Affective disorders
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Head injury
Alcohol
Fever
PTSD
Dementia with Lewy bodies
Narcolepsy
Parkinson's disease
Hallucinogen use
Bipolar disorder
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Pharmaceutical drug (abuse or side effects)
Withdrawal from benzodiazepines
Alzheimer's disease,
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⁉️sources from my experiences and internet research ⁉️
Some of those things on the list are very very rare cases but I just wanted to cover everything (or almost everything).
Sleep disorders
Have you ever met somebody so stupid that they made you question how they survived this long?
Grief (yes, sadly)
Charles Bonnet syndrome
Seizures
Alcohol withdrawal
Infection
Delirium tremens
Migraines
Stress
Dementia and drug use cause paranoia. That is very common. Some of other things that can include delusions and/or hallucination can be:
How does the brain decide "what" thought to attach to a feeling?