Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. Nonbiological dmard antimalarial hydroxychloroquine plaquenil Teva-chloroquine dosage Plaquenil cause weight loss Plaquenil “ Side Effects Started with rash on neck and chest. It became much worse. Got it on arms, legs, face, feet, hands. Hydroxychloroquine Sulfate. Hair loss, accelerated depression. At the 4th week, itchy, red dots appear along with scalp itching. The crazy thing about this itching is that this is the 3rd attempt back on the plaquenil and with the 1st two tries I had no itching but different side effects that made me discontinue it. The 1st time I was on it brand name 400 mg. for 8 months and had to d/c due to terrible intestinal cramping and tinnitus. Hydroxychloroquine Plaquenil is a drug that is classified as an anti-malarial drug. Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Plaquenil itching side effects Plaquenil Uses, Dosage & Side Effects -, Terrible Itching on Plaquenil---PLEASE HELP. Chloroquine interfere nucleic acid biosynthesis govChloroquine proguanil doseHydroxychloroquine recurrent miscarriage 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. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis.. Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria. Common Plaquenil side effects a study from FDA data - eHealthMe. Plaquenil should be administered with caution in patients having glucose-6-phosphate dehydrogenase G-6-PD deficiency. Dermatologic Effects Dermatologic reactions to Plaquenil may occur and, therefore, proper care should be exercised when it is administered to any patient receiving a drug with a significant tendency to produce dermatitis. Hi, I started taking Plaquenil on June 24th and for the last four or 5 days have had horrible itching. No rash just all over itching. My Rhuemy told me to stop taking it until all itching symptoms were gone, then wait another week and start up again with 1 pill 200mg a day instead of 2. Serious Side Effects of Plaquenil. If you are taking Plaquenil long-term, such as for an autoimmune condition, your doctor should regularly check you for potential serious side effects.