WordNet records no synonym and no antonym for conn's syndrome. It is the only member of its synset, which is common for technical, taxonomic and single-sense vocabulary — there is no other English word that means the same thing. The broader and narrower terms below are the useful relations in that case.
Counts are distinct word forms across every sense. A synonym that appears under three senses is counted once here and shown three times below, under each sense it belongs to.
disturbances in saltwater balance and symptoms of weakness and muscular cramps and twitching and convulsions and sometimes paralysis; usually caused by a benign tumor of the cortex of the adrenal gland that leads to excess secretion of aldosterone
Synonyms, antonyms and the broader and narrower relations for conn's syndrome come from Princeton University’s WordNet. Full sources and licences.