Tertiary (late) syphilis. About 15 to 30 percent of people infected with syphilis who don't get treatment will develop complications known as tertiary (late) syphilis. In the late stages, the disease may damage your brain, nerves, eyes, heart, blood vessels, liver, bones and joints.
Signs of dehydration in the elderly can be subtle. Confusion and disorientation. Elderly people can become confused for a variety of reasons; dehydration is one of them. It also comes with physical symptoms that include dizziness, difficulty walking, and disorientation.
Symptoms of dehydration can worsen over time. Although they may vary based on the exact age and background of the individual, most elderly dehydration symptoms are similar across all cultures and health conditions.