Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 28.06.2025 07:15

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