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. Hydroxychloroquine sulfate vs plaquenil Plaquenil and mastocytosis Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Maximum dosage 400 mg per day. Child dosage. Nov 23, 2017 For treating acute infection Take hydroxychloroquine 800 milligrams 620 milligrams base then take 400 milligrams 310 milligrams baseafter between six to eight hours, then followed with 400 milligrams 310 milligrams base once daily for 2 uninterrupted days; OR 1 dosage of 800 milligrams 620 milligrams base has also been successful’ Medscape - Indication-specific dosing for Plaquenil hydroxychloroquine sulfate, frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information. 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. What is the highest doesagewith plaquenil Hydroxychloroquine dosage recommendations often ignored., How Effective is Hydroxychloroquine, Know It’s Dosage, Side. Chloroquine kitOcular migraine plaquenil Find patient medical information for Hydroxychloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Hydroxychloroquine Oral Uses, Side Effects, Interactions.. Plaquenil hydroxychloroquine sulfate dosing, indications.. Hydroxychloroquine Uses, Dosage & Side Effects -. Find user ratings and reviews for Plaquenil oral on WebMD including side effects and drug interactions, medication effectiveness, ease of use and satisfaction Hydroxychloroquine Plaquenil is considered a disease-modifying anti-rheumatic drug DMARD. It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. 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.