Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 25.06.2025 16:27

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