Hello there.., It often takes some time to find the best treatment for pulmonary hypertension. The treatments are often complex and require extensive follow-up care. Your doctor may also need to change your treatment if it's no longer effective. When pulmonary hypertension is caused by another condition, your doctor will treat the underlying cause whenever possible... In some cases, a lung or heart-lung transplant may be an option, especially for younger people who have idiopathic pulmonary hypertension...