What does a decrease in skin turgor often signify in a patient?

A decrease in skin turgor typically indicates dehydration in a patient. Skin turgor refers to the elasticity and hydration level of the skin; when the body lacks adequate fluids, the skin loses its elasticity and becomes less pliable. This sign can often be assessed by pinching the skin and observing how quickly it returns to its normal position. In a well-hydrated individual, the skin snaps back quickly, while in a dehydrated individual, it may remain elevated or return slowly, illustrating the lack of adequate fluid in the body’s tissues.

In contrast, increased hydration would result in maintained or improved skin turgor. Skin infections usually present with redness, swelling, or other localized signs of inflammation rather than changes in turgor. An allergic reaction might show other signs like itching, redness, or hives, but not necessarily a decrease in skin turgor. Hence, understanding the physiological responses related to fluid balance helps clarify why a decrease in skin turgor is primarily associated with dehydration.