It may have both an anti-spirochaete activity and an anti-inflammatory activity, similar to the treatment of rheumatoid arthritis. And caution is required if patients have certain heart conditions, diabetes, psoriasis etc. Hydroxychloroquine side effects fluid retention Hydroxychloroquine sulfate tabs 200mg Plaquenil is sometimes given only once per week. Choose the same day each week to take this medicine if you are on a weekly dosing schedule. Take Plaquenil with a meal or a glass of milk. To prevent malaria Start taking Plaquenil 2 weeks before entering an area where malaria is common. Continue taking the medicine regularly during your stay. Generic Plaquenil Availability. Plaquenil is a brand name of hydroxychloroquine, approved by the FDA in the following formulations. PLAQUENIL hydroxychloroquine sulfate - tablet;oral PLAQUENIL prolongs the QT interval and should not be administered with other drugs that have the potential to induce cardiac arrhythmias. Also, there may be an increased risk of inducing ventricular arrhythmias if PLAQUENIL is used concomitantly with other arrhythmogenic drugs. Mefloquine And Other Drugs Known To Lower The Convulsive Threshold The most serious adverse effects affect the eye, with dose-related retinopathy as a concern even after hydroxychloroquine use is discontinued. The most common adverse effects are a mild nausea and occasional stomach cramps with mild diarrhea. Is there a generic form of plaquenil Plaquenil Hydroxychloroquine - Side Effects, Dosage., Generic Plaquenil Availability - Plaquenil generic vs brandChloroquine regimenDoes plaquenil affect cgrp inhibitors What Is Plaquenil? Plaquenil hydroxychloroquine is an antimalarial medication used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil is available in generic form. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. Plaquenil Hydroxychloroquine - Side Effects, Dosage, Interactions - Drugs. Description and Brand Names. Drug information provided by IBM Micromedex US Brand Name. Plaquenil; Descriptions. Hydroxychloroquine is used to treat malaria. It is also used to prevent malaria infection in areas or regions where it is known that other medicines eg, chloroquine may not work. Use our prescription price comparison tool to find the best prescription drug price for PLAQUENIL in your area. Brand / Generic. Form. Strength. Quantity. Custom Quantity X. Apply. Get Price Alerts. Change Form. Choose a Generic. Manufacturer Coupons and Offers Available. offer description. Number of Uses Close. Sept. 2009 I was diagnosed with subacute cutaneous lupus and was put on the generic form of plaquenil. In June my rheumatologist had me try brand because she feels it works better. This past week I ran out of my prescription and missed three days of taking due to not being able to get to my pharmacy.