Antonyms of noun hyponatremia

1 sense of hyponatremia

Sense 1
hyponatremia -- (abnormally low level of sodium in the blood; associated with dehydration)
       Antonym of hypernatremia (Sense 1)
      => hypernatremia -- (excessive amounts of sodium in the blood; possibly indicating diabetes insipidus)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun hyponatremia

1 sense of hyponatremia

Sense 1
hyponatremia -- (abnormally low level of sodium in the blood; associated with dehydration)
       => symptom -- ((medicine) any sensation or change in bodily function that is experienced by a patient and is associated with a particular disease)