An individual with cancer or chronic liver disease often dies from these conditions. In some people, confusion may get worse over time and become permanent, such as in Alzheimer's disease , alcoholism , or AIDS . Confusion itself is not contagious and poses no risk to others. If confusion is the result of an infection, the infection may be contagious. Treatment is directed at the cause of the confusion.
All medications have possible side effects.
For example, antibiotics may cause allergic reactions or stomach upset. Surgery carries a risk of bleeding, infection, and allergic reaction to the anesthesia . In many cases, confusion goes away when the cause is treated. In other cases, confusion may be a sign of serious disease. Some causes of confusion, for example, stroke and Alzheimer's disease , may cause permanent brain damage and problems with brain function.