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 in adults and children include: feeling thirsty; dark yellow and strong smelling pee; feeling dizzy or lightheaded; feeling tired; dry mouth, lips and eyes; peeing little and less than 4 times a day; Dehydration can happen more easily if you have: diabetes; vomiting or diarrhoea; been in the sun too long ; drunk too much alcohol