It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Is plaquenil used to Plaquenil stomach ache Rituxan interac with plaquenil Should i take hydroxychloroquine Hydroxychloroquine – which has a similar toxicity profile – has largely superseded it for the treatment of rheumatoid arthritis. In overdose both chloroquine and hydroxychloroquine cause sodium channel blockade with primarily cardiovascular and central nervous system effects, as well as hypokalemia due to intracellular potassium shifts. 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 Hydroxychloroquine oral tablet is available as a brand-name drug and a generic drug. Brand name Plaquenil. Hydroxychloroquine comes only as a tablet you take by mouth. Hydroxychloroquine is used to treat malaria, lupus erythematosus, and rheumatoid arthritis. Today, it is used to treat rheumatoid arthritis, some symptoms of lupus, childhood arthritis (or juvenile idiopathic arthritis) and other autoimmune diseases. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. Hydroxychloroquine methemoglobinemia Qualaquin quinine sulfate dose, indications, adverse., PLAQUENIL HYDROXYCHLOROQUINE SULFATE TABLETS, USP DESCRIPTION Incidence of adverse affects to chloroquine Hydroxychloroquine Plaquenil is a drug that is classified as an anti-malarial drug. Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more. Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria. Hydroxychloroquine Side Effects, Dosage, Uses, and More. ARUP Test Directory ARUP Laboratories. Oct 27, 2014 The pathogenesis of OA is multifactorial and not just a disease of older people. Hydroxychloroquine HCQ is a disease-modifying anti-rheumatic drug DMARD typically used for the treatment of various rheumatic and dermatologic diseases. Mechanism of toxicity. Chloroquine blocks the synthesis of DNA and RNA and also has some quinidine-like cardiotoxicity. Hydroxychloroquine has similar actions but is considerably less potent. Primaquine and quinacrine are oxidizing agents and can cause methemoglobinemia or hemolytic anemia especially in patients with glucose-6-phosphate dehydrogenase G6PD deficiency. Hydroxychloroquine. Mechanism Chloroquine phosphate is a 4-aminoquinoline compound for oral administration. Chloroquine is an antimalarial and amoebicidal drug. The drug possesses antimalarial actions and exerts a beneficial effect in lupus erythematosus chronic discoid or systemic and acute or chronic rheumatoid arthritis.