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
Less Energy. The truth is that a low energy level can be the result of a lot of things. Stress can cause you to have low energy, as can a new workout routine or a vitamin B12 deficiency. But if it's none of these things, there's a chance you could be suffering from a phosphorus deficiency. Phosphorus can actually help your body metabolize protein, fat and carbohydrates, which in turn gives your body energy. 4. Lack of Appetite. A lack of an appetite could be the result of any number of things.