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.
Propranolol is not FDA-approved for anxiety, but it is commonly used off-label for the as-needed treatment of performance anxiety. Advantages of propranolol over benzodiazepines include propranololâs lack of abuse potential and minimal CNS effects on alertness and psychomotor performance.Several studies suggest that a one-time dose of propranolol 30â60 minutes prior to a performance reduces anxiety.ithdrawal is the occurrence of new symptoms as a result of medication discontinuation, and may occur in 60% to 100% of patients depending on the outcome criteria used, with a peak severity at 2 days for short half-life and 4â7 days for long half-life benzodiazepines.