One such commonly used medication for dermatologic and rheumatologic inflammatory conditions is hydroxychloroquine (Plaquenil), a chloroquine derivative. It is used to treat many diseases including malaria, rheumatoid arthritis and systemic lupus erythematosus. Define hydroxychloroquine Rx hydroxychloroquine Take Plaquenil hydroxychloroquine with food or milk. Swallow whole. Do not chew, break, or crush. Keep taking Plaquenil hydroxychloroquine as you have been told by your doctor or other health care provider, even if you feel well. Do not take antacids or kaolin within 4 hours of Plaquenil hydroxychloroquine. What do I do if I miss a dose? In conclusion, monitoring hydroxychloroquine levels represents an important opportunity to improve medication adherence in patients with SLE. Serial monitoring and dedicated follow up with clinical counseling improved medication adherence. Hydroxychloroquine is usually taken with food or milk to prevent stomach upset. The dosage and length of treatment are based on your medical condition and response to therapy. In children, dosage is also based on weight. It is imperative that patients and physicians are aware of and watch for this drug’s ocular side effects. Retinal toxicity from hydroxychloroquine is rare, but even if the medication is discontinued, vision loss may be irreversible and may continue to progress. Plaquenil monitoring Shared Care Guideline - mm.uk, Hydroxychloroquine Blood Levels in SLE Clarifying dosing. Plaquenil pill side effectHow to taper plaquenil 300mg dailyPlaquenil kidney side effects PLAQUENIL hydroxychloroquine sulfate tablets is indicated for the treatment of rheumatoid arthritis, and discoid and systemic lupus erythematosus, in patients who have not responded satisfactorily to drugs with less potential for serious side effects. Plaquenil Hydroxychloroquine Sulfate - Sanofi. Plaquenil Oral Uses, Side Effects, Interactions.. Monitoring and Preventing Hydroxychloroquine, Plaquenil.. PLAQUENIL is indicated for the treatment of chronic discoid lupus erythematosus and systemic lupus erythematosus in adults. Rheumatoid Arthritis. PLAQUENIL is indicated for the treatment of acute and chronic rheumatoid arthritis in adults. CONTRAINDICATIONS. Use of PLAQUENIL is contraindicated in patients with known hypersensitivity to 4 The usual adult dose for treating malaria is 800 mg initially, followed by 400 mg 6-8 hours later and then 400 mg at 24 hours and 48 hours. The dose for malaria prevention is 400 mg every week starting 1 or 2 weeks before exposure and for 4 weeks after leaving the high risk area. Aug 30, 2011 Diagnosis Hydroxychloroquine-induced retinal toxicity Discussion. Chloroquine CQ and hydroxychloroquine Plaquenil HCQ have been used for many years, initially for the treatment of malaria but now more commonly for the treatment of inflammatory diseases such as rheumatoid arthritis and lupus 1. It is now considered for new disease applications in diabetes, heart disease and adjunct cancer therapies 2.