Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Plaquenil brittle hair Topical hydroxychloroquine Mix with chloroquine for fish Difference between plaquenil and methotrexate Hydroxychloroquine is generally prescribed at a daily dose of 6.5 milligrams or less per kilogram of body weight. Using this formula, the dosage for a 150-pound person would be 443 mg/day, as one kilogram equals 2.2 pounds. Because HCQ is formulated as a 200 mg tablet, many people taking it for lupus will take two pills per day. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is. PLAQUENIL prescription and dosage sizes information for physicians and healthcare professionals. Pharmacology, adverse reactions, warnings and 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. Dosage for plaquenil Hydroxychloroquine Plaquenil, Common and Rare Side Effects for Plaquenil Oral Plaquenil for lupus rash A risk factor for Plaquenil hydroxychloroquine retinotoxicity is a daily dose that exceeds 5.0 mg of drug per kg of body weight. The tool on the right simply calculates this threshold based on a ppatient’s real body weight. It’s important to understand that the daily dose is only one risk factor for plaquenil retinotoxicity. Plaquenil Risk Calculators. PLAQUENIL Dosage & Rx Info Uses, Side Effects. Taking Plaquenil for Rheumatoid Arthritis. The recommended Plaquenil dosage for malaria prevention is 400 mg once weekly, starting two weeks before the anticipated exposure. The usual starting dosage for treating lupus is 400 mg once or twice a day, and the recommended starting dose for the treatment of rheumatoid arthritis is 400 to 600 mg daily. Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. How to use Plaquenil. 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.