cardiac doctors near me Water retention, or fluid retention, occurs when excess fluids build up in the body, leading to temporary weight gain. This weight gain is not due to fat accumulation but rather the extra fluid held in tissues. Here are some common causes of water retention: 1. Dietary Factors: Excess Sodium 2. Hormonal Changes: Menstrual Cycle: Fluctuations in estrogen and progesterone during the menstrual cycle can lead to water retention, particularly before menstruation. Pregnancy: Hormonal shifts and increased blood volume during pregnancy can cause fluid retention. Hormonal Imbalances: Conditions like hypothyroidism or high cortisol levels (from stress or Cushing's syndrome) can contribute to water retention. 3. Medical Conditions: Kidney Disease: Impaired kidney function can lead to fluid buildup, as the kidneys cannot efficiently remove waste and fluids. Heart Disease: Congestive heart failure may cause the body to retain water, especially in the legs, ankles, and lungs. 4. Medications: Corticosteroids. Birth control 5. Lifestyle Factors: