Yes, people can experience delusions that they are in hell or are somehow condemned to a state of eternal suffering. These delusions are often seen in the context of certain mental health conditions, particularly psychotic disorders like schizophrenia.
In such cases, the individual firmly believes that they are trapped in a nightmarish realm of torment, punishment, or damnation. This belief can be incredibly distressing and overwhelming for the person experiencing it. They may describe vivid and terrifying experiences related to their perceived hellish state, and attempts to convince them otherwise may be met with strong resistance or disbelief.
Delusions of being in hell or experiencing punishment are usually accompanied by other symptoms characteristic of psychotic disorders, such as hallucinations (perceiving things that aren't there), disorganized thinking and speech, and impaired insight into their mental state.
It's important to recognize that these delusions are not reflective of reality but are the result of underlying neurological or psychological issues. People experiencing such delusions require professional help and support from mental health experts to alleviate their distress and address the underlying condition causing the delusions. Treatments may include antipsychotic medications, psychotherapy, and supportive care. Family and social support can also play a significant role in aiding the recovery process.