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. Turmeric and plaquenil Plaquenil and itching 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. I have been suffering on and off from chronic urticaria since I was in the fourth grade in 2006. Its been nearly seven years since my I first started getting hives. It started out of the blue and it didn't start small. I was rendered unable to walk most times because the hives swell over my ankles and knees making them painfully impossible to move. Aug 29, 2014 Plaquenil, hydroxychloroquine HCQ, is an anti-malarial medication that has been proven to be useful in the treatment of patients with rheumatoid arthritis RA, systemic lupus erythematosus SLE and other inflammatory and autoimmune diseases. In Sjögren’s, Plaquenil is used to treat many symptoms. Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. Plaquenil and edema Hydroxychloroquine Oral Route Side Effects - Mayo Clinic, Chronic Urticaria - Plaquenil as a new treatment? How u stop plaquenil safely IOP elevation is asymptomatic, so it can only be detected with diligent and timely follow-up examinations including applanation tonometry. Steroid-induced IOP elevation typically occurs within 2–6 weeks of beginning steroid therapy. Upon stopping corticosteroids, the IOP usually normalizes in a few weeks to months. Ocular side effects of anti-rheumatic medications what a.. The Risk of Retinal Toxicity with Plaquenil. Hydroxychloroquine Plaquenil. Note This document contains side effect information about hydroxychloroquine. Some of the dosage forms listed on this page may not apply to the brand name Plaquenil. For the Consumer. Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine the active ingredient contained in Plaquenil may cause some unwanted effects. Dosage for Plaquenil. The adult dose of Plaquenil to suppress malaria is 400 mg on the same day each week. The pediatric weekly suppressive dosage is 5 mg/kg of body weight. The adult dose of Plaquenil to treat an acute attack of malaria is an initial dose of 800 mg followed by 400 mg in six to eight hours and 400 mg for two more days. Myositis refers to any condition causing inflammation in muscles. Weakness, swelling, and pain are the most common myositis symptoms. Myositis causes include infection, injury, autoimmune conditions, and drug side effects.