<unk> , sold under the brand name Sensipar among others, is a medication used to treat secondary hyperparathyroidism, parathyroid carcinoma, and primary hyperparathyroidism. The most common side effects include nausea (feeling sick) and vomiting.<unk>  acts as a calcimimetic (i.e., it mimics the action of calcium on tissues) by allosteric activation of the calcium-sensing receptor that is expressed in various human organ tissues.<unk>  was approved in the United States in March 2004, and in the European Union in October 2004. It was the first allosteric G protein-coupled receptor modulator to enter the pharmaceutical market. In 2013,<unk>  was the 76th top prescribed medicine in the United States.
Cinacalcet
Elagolix
Meclizine
Syclix
Naloxegol
Tyramine
Cetirizine
Crofelemer