Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Chloroquine phosohate Hydroxychloroquine 200 mg brand name Plaquenil excretion Skin cancer risk f plaquenil Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine Incidence not known. Blistering, peeling, loosening of the skin; blurred vision or other vision changes; chest discomfort, pain, or tightness; cough or hoarseness; dark urine; decreased urination; defective color vision; diarrhea; difficulty breathing Feb 19, 2020 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. Nov 09, 2018 Hydroxychloroquine 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. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Hydroxychloroquine is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Hydroxychloroquine making sunlight painful RA and Hydroxychloroquine How Effective is it for Rheumatoid., Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses Hydroxychloroquine 400 mg dailyPlasmodium falciparum chloroquine resistanceKeyhole chloroquine Side Effects Nausea, stomach cramps, loss of appetite, diarrhea, dizziness, or headache may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly. Remember. Hydroxychloroquine Oral Uses, Side Effects, Interactions.. Hydroxychloroquine - Side Effects, Dosage, Interactions.. Hydroxychloroquine Oral Route Side Effects - Mayo Clinic. A very bad and sometimes deadly reaction has happened with hydroxychloroquine. Most of the time, this reaction has signs like fever, rash, or swollen glands with problems in body organs like the liver, kidney, blood, heart, muscles and joints, or lungs. Talk with the doctor. Keep away from children. The aforementioned rare side effect that affects vision hydroxychloroquine retinopathy, if caught early, may improve after discontinuation of Plaquenil. Since the side effect of vision loss is possible but rare, it is important for you to tell your doctor about any vision changes that you experience. Yep it will take while. It's probably not the hydroxy making you worse, it's probably just that your flare was on a tragectory to get worse anyway and the tablets just haven't kicked in yet. Wind is normal for some, you may find it dies down.not, see the doc.