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 severe or chronic dehydration are extreme thirst, confusion, little or no urination, sunken eyes, very dry mouth, dry skin that lacks elasticity, low blood pressure, rapid heartbeat, rapid breathing and even delirium or unconsciousness. If not treated timely, dehydration can lead to several complications.