BRAND NAME: Plaquenil. DRUG CLASS AND MECHANISM: Hydroxychloroquine is classified as an anti-malarial drug. It is similar to chloroquine (Aralen) and is useful in treating several forms of malaria as well as lupus erythematosus and rheumatoid arthritis. Its mechanism of action is unknown. Malarial parasites invade human red blood cells.
Amazon Standard Identification Numbers (ASINs) are unique blocks of 10 letters and/or numbers that identify items. You can find the ASIN on the item's product information page at Amazon.com and in the URL for the page. The quickest way to find your product's ASIN is to look in your browser's address bar.
They instead show their own internal number called an ASIN. 1  Find the item on Amazon - locate and copy the ASIN number. 2  Go to a place like ASIN/GTIN Converter - UPC Barcodes and you can do a reverse lookup by entering the ASIN number and finding the UPC.