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Hypertropia
Hypertropia is a type of eye misalignment in which one eye appears higher than the other. The eyes may not work together…
Hypervitaminosis A
Hypervitaminosis A is a condition caused by having too much vitamin A in the body. It can happen suddenly after a very…
Hypodontia
Hypodontia is a developmental condition in which one or more permanent teeth do not form. The missing teeth are present from birth…
Hypokalemia
Hypokalemia is the medical term for a potassium level in the blood that is lower than the body needs. Potassium helps muscle…
Hyponatremia
Hyponatremia is a lower-than-normal concentration of sodium in the blood. Sodium helps control the balance of water in and around cells and…
Hypopituitarism
Hypopituitarism occurs when the pituitary gland produces too little of one or more important hormones. The pituitary is a small gland at…
Hypospadias
Hypospadias is a congenital difference in which the opening of the urethra is not at the usual tip of the penis. It…
Hypothyroidism
Hypothyroidism is an underactive thyroid that does not produce enough thyroid hormone. This hormone helps regulate metabolism, which affects how the body…



