It does not work against certain types of malaria (chloroquine-resistant). The United States Center for Disease Control provides updated guidelines and travel recommendations for the prevention and treatment of malaria in different parts of the world. Effect of chloroquine injection Hydroxychloroquine lupus pregnancy Hydroxychloroquine is in a class of drugs called antimalarials. It is used to prevent and treat acute attacks of malaria. It is also used to treat discoid or systemic lupus erythematosus and rheumatoid arthritis in patients whose symptoms have not improved with other treatments. Rheumatoid Arthritis. The action of hydroxychloroquine is cumulative and may require weeks to months to achieve the maximum therapeutic effect see CLINICAL PHARMACOLOGY. Initial adult dosage 400 mg to 600 mg 310 to 465 mg base daily, administered as a single daily dose or in two divided doses. In a small percentage of patients, side effects may require temporary reduction of the initial. Plaquenil and Azulfidine belong to different drug classes. Plaquenil is an antimalarial medication and Azulfidine EN-tabs is an anti-inflammatory agent and immunomodulatory agent. Side effects of Plaquenil and Azulfidine that are similar include nausea, vomiting, loss of appetite. This medication is also used, usually with other medications, to treat certain auto-immune diseases (lupus, rheumatoid arthritis) when other medications have not worked or cannot be used. Discuss the most recent information with your doctor before traveling to areas where malaria occurs. Plaquenil drug classes Hydroxychloroquine Oral Uses, Side Effects, Interactions., Plaquenil Dosage Guide - Plaquenil success rheumatoid arthritisHydroxychloroquine sulfate teirPlaquenil eyes side effects Safe use of the drug in the treatment of juvenile arthritis has not been established. Precautions 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. PLAQUENIL® - Food and Drug Administration. Plaquenil vs. Azulfidine Prescription Treatment for.. Hydroxychloroquine Uses, Dosage & Side Effects -. Provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. Data sources include IBM Watson Micromedex updated, Cerner Multum™ updated, Wolters Kluwer™ updated. Anti-inflammatories are the most common drugs used to treat lupus symptoms like fever, arthritis or pleurisy. These symptoms often improve within several days of beginning treatment. For many people with lupus, an anti-inflammatory drug may be the only medication they need to control lupus. Aspirin Plaquenil hydroxychloroquine has been shown to improve physical function in up to 80% of patients with rheumatoid arthritis. Plaquenil hydroxychloroquine is commonly used for lupus in children because of less side effects compared to other medications. Plaquenil hydroxychloroquine helps minimize joint damage.