Please review the following URL and make sure that it is spelled correctly. May 23, 2005 Birmingham, AL - Starting the antimalarial drug hydroxychloroquine (HCQ) (Plaquenil) early on in the disease process may help prevent damage accrual in patients with systemic lupus erythematosus (SLE) [ 1 ]. Plaquenil versus hydroxychloroquine Chloroquine definition Plaquenil retinal toxicity dosage Hydroxychloroquine sulfate sulfate base, and are for oral PLAQUENIL® HYDROXYCHLOROQUINE SULFATE TABLETS, USP DESCRIPTION PLAQUENIL h. ydroxychloroquine sulfate is a. white or practically white, crystalline. powder freely. soluble in water; practically insoluble in alcohol, chloroform, and in ether. The. chemical. name for Medscape - Indication-specific dosing for Aralen, Chloroquine phosphate chloroquine, frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information. People with systemic lupus erythematosus SLE who stop treatment with hydroxychloroquine less than 12 months after its start are at a higher risk of flares than those who continue using it for at least one year, a study suggests. The research, "Outcomes of Systemic Lupus Erythematosus in. "This study suggests that patients with mild disease who are treated with HCQ do better in the long run than patients who were not treated with HCQ," lead author of the study, Dr Barri Fessler (University of Alabama at Birmingham Health System), tells rheuma wire . A new study, published in the May 2005 issue of Arthritis & Rheumatism, has demonstrated that HCQ appears to reduce the risk of damage accrual, provided the drug is initiated before damage has begun. Hydroxychloroquine for lupus epocrates Drug spotlight on hydroxychloroquine Lupus Foundation of., Aralen, Chloroquine phosphate chloroquine dosing. What lupus symptoms does plaquenil treatHydroxychloroquine 200 couponsChloroquine cell toxicity A new investigation analyzed the retinal changes over a five-year period in people with lupus and did not find clinically relevant retinal changes in the group. The study concludes that hydroxychloroquine therapy is safe for long-term use at doses 5 mg/kg/day. Learn about how lupus affects the eyes and hydroxychloroquine. Safety of Long term use of Hydroxychloroquine Therapy Further Verified.. Lupus Patients on Hydroxychloroquine for Less Than 1 Year.. Plaquenil Oral Uses, Side Effects, Interactions, Pictures.. Hydroxychloroquine is used to treat discoid lupus erythematosus DLE or systemic lupus erythematosus SLE or lupus. It is also used to treat acute and chronic rheumatoid arthritis. This medicine is available only with your doctor's prescription. This product is available in the following dosage forms Tablet; Before Using To assess if hydroxychloroquine can delay renal damage development in lupus nephritis patients. Lupus nephritis patients n=256 from LUMINA n=635, a multiethnic cohort of African Americans, Hispanics and Caucasians, age ≥16 years, disease duration. Hydroxychloroquine is used for its effect on systemic lupus erythematosus SLE disease activity and long-term benefits. This can be limited by adherence. One way to assess adherence is to measure blood levels. Conflicting data exist regarding blood levels.