C. The anxiety and worry are associated with three (or more) of the following six symptoms (with at least some symptoms having been present for more days than not for the past 6 months): Note: Only one item is required in children. 1. Restlessness or feeling keyed up or on edge. 2. Being easily fatigued.
Your doctor may order a serum phosphorus test if they suspect that your phosphorus level is too low or too high. Either extreme can lead to health problems. Symptoms that may indicate your phosphorus level is too low include: changes in your mental state (for example, anxiety, irritability, or confusion) bone issues, such as pain, fragility, and poor development in children
Most people get plenty of phosphorus in their diets. The mineral is found in milk, grains, and protein rich foods. Some health conditions such as diabetes, starvation, and alcoholism can cause levels of phosphorus in the body to fall. The same is true of conditions that make it hard for people to absorb nutrients, such as Crohn's disease and celiac disease.