The signs and symptoms of dehydration can range from mild to severe, depending on the amount of fluid loss. Common signs and symptoms of dehydration include:
- Thirst: This is often the first and most noticeable sign of dehydration.
- Dry mouth and throat: Saliva production decreases with dehydration, causing the mouth and throat to feel dry.
- Dark yellow urine: When dehydrated, the body retains more fluid, causing urine to become concentrated and dark yellow in color.
- Fatigue or weakness: Dehydration can cause fatigue, weakness, and a decrease in physical performance.
- Dizziness or lightheadedness: Dehydration can cause a drop in blood pressure, leading to dizziness or lightheadedness.
- Dry skin: Dehydration can cause skin to lose its elasticity and become dry and flaky.
- Headache: Dehydration can cause headaches, especially in the front of the head and temples.
- Constipation: Dehydration can cause the digestive system to slow down, leading to constipation.
- Muscle cramps: Dehydration can cause muscle cramps, especially in the legs and feet.
- Fainting
Symptoms in an infant or young child
- Dry mouth and tongue
- No tears when crying
- No wet diapers for three hours
- Sunken eyes, cheeks
- Sunken soft spot on top of skull
- Listlessness or irritability
If you or your child experiences any of these symptoms or are unable to keep liquids down due to vomiting or diarrhea, it is important to seek medical attention promptly. Severe dehydration can be life-threatening and requires prompt treatment.