Dehydration occurs when the body does not have enough water and this can happen rapidly in extreme heat or through exercise. Symptoms of dehydration can include headaches, lethargy and hallucinations. In extreme cases, dehydration may result in death.
What triggers hallucinations?
There are many causes of hallucinations, including: Being drunk or high, or coming down from such drugs like marijuana, LSD, cocaine (including crack), PCP, amphetamines, heroin, ketamine, and alcohol. Delirium or dementia (visual hallucinations are most common)
What can cause temporary hallucinations?
Hallucinations and hearing voices
- taking illegal drugs or alcohol.
- a mental illness, such as schizophrenia.
- a progressive neurological condition, such as Alzheimer's disease or Parkinson's disease.
- loss of vision caused by a condition such as macular degeneration – this is known as Charles Bonnet syndrome.
