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.
The recommended dose for preventing migraines is 80-240 mg daily. DRUG INTERACTIONS: Calcium channel blockers and digoxin (Lanoxin) can lower of blood pressure and heart rate to dangerous levels when administered together with propranolol.he recommended dose for preventing migraines is 80-240 mg daily. DRUG INTERACTIONS: Calcium channel blockers and digoxin (Lanoxin) can lower of blood pressure and heart rate to dangerous levels when administered together with propranolol.