Pulmonary Hypertension, Primary, 3, also known as pph3, is related to pulmonary hypertension, primary, 2 and hair whorl, and has symptoms including dyspnea An important gene associated with Pulmonary Hypertension, Primary, 3 is CAV1 (Caveolin 1). The drugs Spironolactone and Mineralocorticoid Receptor Antagonists have been mentioned in the context of this disorder. Affiliated tissues include endothelial and brain, and related phenotypes are dyspnea and pulmonary arterial hypertension