Hydroxychloroquine side effects: These side effects may go away during

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. Hydroxychloroquine Sulfate is a prescription medication used to treat the symptoms of Malaria, Rheumatoid Arthritis, and Systemic Lupus Erythematosus. Learn about side effects, drug interactions, dosages, warnings, and more. Learn about hydroxychloroquine uses, dosage guidelines, side effects, and safety tips for conditions like lupus, rheumatoid arthritis, and malaria. Medscape - Indication-specific dosing for Plaquenil (hydroxychloroquine sulfate), frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information.