Hypocalcemia means there is not enough calcium in your blood. If you have this condition, you will need to make some diet changes.

Your child's thyroid gland is overactive and makes too much thyroid hormone. This means your child's thyroid gland makes too much thyroid hormone. Read on to learn how to care for your child.

Hyperthyroidism means you have an overactive thyroid gland that makes too much thyroid hormone. Read on to learn about self-care and follow-up care for this condition.

Hyperphosphatemia means you have too much phosphorus in your blood. You will need to make some diet changes to manage this condition.

Your child has hypernatremia and needs certain dietary restrictions and home care. This sheet can get you started.

You have hypernatremia, a condition in which you have too much sodium in the blood. Learn how to care for yourself at home.

Hypermagnesemia means too much magnesium in the blood. This sheet can help you care for your child.

Hypermagnesemia means there is too much magnesium in your blood. You will need to make certain dietary changes to manage your condition.

You have been diagnosed with hypercalcemia (too much calcium in your blood). Calcium is a mineral that helps develop bones and teeth, controls heart rhythm, and allows muscles to contract.

Your child has been diagnosed with hydrocephalus, in which extra fluid builds up in the brain. It is sometimes referred to as “water on the brain.” The most common treatment is insertion of a shunt. This tube drains fluid from the brain to another space in the body. Here's what you need to know.