Urticarial vasculitis is a variant of cutaneous vasculitis. It is characterised by inflamed and reddened patches or weals on the skin that appear to resemble urticaria, but when the skin is examined closely under a microscope, vasculitis is found (inflamed blood vessels).
Though FDA can trace its origins back to the creation of the Agricultural Division in the Patent Office in 1848, its origins as a federal consumer protection agency began with the passage of the 1906 Pure Food and Drugs Act.lease limit your feedback to 1000 characters. To prevent the submission of spam, please enter the word FOOD in the box below. If you would like to ask a specific question, please visit our Contact Us page for more information about how to contact FDA.
Two regulatory frameworks support the FDAâs review of prescription drugs. First, FDA reviews the safety and effectiveness of new drugs that manufacturers wish to market in the United States; this process is called premarket approval or preapproval review.Second, once a drug has passed that threshold and is FDA-approved, FDA acts through its postmarket or post-approval regulatory procedures.he following CRS reports provide overview information on FDAâs processes for approval and regulation of drugs: â¢ CRS Report R41983, How FDA Approves Drugs and Regulates Their Safety and Effectiveness, by Susan Thaul.