Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Plaquenil or methotrexate How much plaquenil medication cost Plaquenil sun reaction What Conditions does Hydroxychloroquine SULFATE Treat? disease that causes disc-shaped patches on upper body; systemic lupus erythematosus; an autoimmune disease What are the possible side effects of hydroxychloroquine Plaquenil, Plaquenil Sulfate, Quineprox? Get emergency medical help if you have signs of an allergic reaction hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Some side effects of hydroxychloroquine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. 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. What are adverse reactions for hydroxychloroquine sulfate Hydroxychloroquine Oral Route Precautions - Mayo Clinic, Plaquenil Hydroxychloroquine Side effects, Images, Uses, Dosage. Generic brand of plaquenilChloroquine tablets indiaPlaquenil macular degenerationPlaquenil treatment Adverse cutaneous reactions to hydroxychloroquine are more common in patients with dermatomyositis than in patients with cutaneous lupus erythematosus. Pelle MT1, Callen JP. Author information 1Department of Dermatology, University of Pennsylvania School of Medicine, Philadelphia, USA. Adverse cutaneous reactions to hydroxychloroquine are more.. Hydroxychloroquine Side Effects Common, Severe, Long Term.. Medicines for the Prevention of Malaria While Traveling.. Drug information provided by IBM Micromedex. Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. 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. Find patient medical information for Hydroxychloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings.