While these reviews might be helpful, they are not a substitute for the expertise, skill, knowledge and judgement of healthcare practitioners. "Hydrochloroquine (Plaquenil) has been a blessing for me. Revised recommendations on screening for chloroquine and hydroxychloroquine Plaquenil maculopathy visual field What next if plaquenil doesn't work? Support Forums. Yea, I am allergic to sulfa or I'd be on celebrex right now. I wish the plaquenil was working but it's not. I feel so bad every day. Prednisone ran my blood sugar up but I felt great on it, not that you want to take it for too long. Hydroxychloroquine is used to prevent or treat malaria infections caused by mosquito bites. It does not work against certain types of malaria chloroquine-resistant. The United States Center for. Plaquenil is NOT known to start working that fast. It takes anywhere from 4-6 months before the affects of Plaquenil are seen/felt. This is the case with everyone I know that takes it. I do occasionally experience dry eyes and a little scalp itch but asserting that it's caused by Hydrochloroquine would be anecdotal at best. It took about 5 weeks to take effect but my RA is basically a non factor now. Plaquenil not working Plaquenil -, Plaquenil Oral Uses, Side Effects, Interactions, Pictures. Plaquenil autoimmune thyroiditis Also known as Plaquenil, Quineprox. The following information is NOT intended to endorse drugs or recommend therapy. While these reviews might be helpful, they are not a substitute for the expertise, skill, knowledge and judgement of healthcare practitioners in patient care. Hydroxychloroquine User Reviews for Rheumatoid Arthritis at.. Immune & Autoimmune - Lupus Plaquenil - Can It Work Quickly?. Lupus Medicines Hydroxychloroquine - Brigham and Women's.. Hi, for anyone that's been on plaquenil long term i've been on more than 2 1/2 years, have you had any moderate to bad flares or flares that dont' seem to go away while taking this med? Or has anyone found that plaquenil stopped working after some time? I've been in some sort of flare for 6 weeks Plaquenil hydroxychloroquine belongs to a group of medicines called quinolines. Plaquenil is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. How to tell if the drug is working.