Causes of Rheumatoid factor positive that are very rare . The following causes of Rheumatoid factor positive appear in the population at a rate of substantially less than 200,000 people per year in the USA: Lymphoma; Polymyositis; more causes...Â» Causes of Rheumatoid factor positive without any prevalence information
1 Propranolol is used to treat high blood pressure, chest pain caused by angina, and irregular heart beat. 2  It is also used to protect the heart after a heart attack and to prevent migraines. 3  It is a beta-blocker. 4  It is used to slow down the activity of the heart and decrease blood pressure.
These two medicines are taken together to help lower your blood pressure. In some people, they may increase blood pressure. If you stop taking clonidine and continue taking your beta-blocker, or if you stop taking them both at the same time, your blood pressure may also increase.