Hydroxychloroquine is available as the brand-name drug Plaquenil. Generic drugs usually cost less than the brand-name version. Hydroxychloroquine may be used as part of a combination therapy. Atarax and hydroxychloroquine suicide Plaquenil safer than fluoroquinolones Lysosomal inhibitor chloroquine Does plaquenil reduce pain Bone marrow suppression is dose related and is the most common cause for dosage reductions. Leukopenia any degree has been reported in greater than 50% of renal homograft recipients and 28% of rheumatoid arthritis patients. Leukopenia less than 2500/mm3 2.5 x 109/L has been reported in 16%. Find information about common, infrequent and rare side effects of Plaquenil Oral. Plaquenil can cause serious side effects when used in high doses for chronic diseases such as RA over the long term. The New Zealand Dermatological Society recommends that to decrease the risk of retina damage, no more than 200mg of Plaquenil should be taken a day, and a dose of 400mg per day should be taken no longer than a few weeks. Hydroxychloroquine is used to treat lupus erythematosus and rheumatoid arthritis. It isn’t fully understood how this drug works to treat lupus erythematosus or rheumatoid arthritis. That means you may need to take it with other drugs. It treats malaria by killing the parasites that cause the disease. Side effect plaquenil rash Hydroxychloroquine DermNet NZ, Common and Rare Side Effects for Plaquenil Oral Plaquenil and pregnancy side effectsPlaquenil patient information leafletPlaquenil and radiotherapy Nausea & diarrhea – Plaquenil agrees with most people. Rarely it can cause an upset stomach or diarrhea. Skin rash – Plaquenil can rarely cause a rash. Patients who experience this rare side effect should stop taking this medicine and contact their doctor. Headaches – Plaquenil can rarely cause a headache. Plaquenil – RheumInfo. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis. Lupus Medicines Hydroxychloroquine - Brigham and Women's.. Common Plaquenil side effects - a study from FDA data Summary In this review, we analyze Plaquenil side effects by the time on the drug, gender and age of the people who have side effects while taking Plaquenil. Feb 19, 2020 Hydroxychloroquine, like chloroquine, is a weak base and may exert its effect by concentrating in the acid vesicles of the parasite and by inhibiting polymerization of heme. It can also inhibit certain enzymes by its interaction with DNA. Plaquenil. Uses. Hydroxychloroquine is used to prevent or treat malaria infections caused by mosquito bites. It does not work against certain types of. Side Effects. Precautions. Interactions.