Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 02.07.2025 14:57

Brain Tumors
Narcolepsy
Alcohol
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Affective disorders
Infection
Seizures
Why do I get stressed when I go to bed?
PTSD
Bipolar disorder
Alzheimer's disease,
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Fever
⁉️sources from my experiences and internet research ⁉️
Head injury
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Delirium tremens
Dementia with Lewy bodies
Alcohol withdrawal
Migraines
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:
Anxious-depressed individuals underestimate themselves even when they’re right - PsyPost
Mental disorder
Parkinson's disease
Sleep disorders
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Pharmaceutical drug (abuse or side effects)
Charles Bonnet syndrome
Hallucinogen use
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Withdrawal from benzodiazepines
Grief (yes, sadly)
Stress