Hydroxychloroquine is available as the brand-name drug Plaquenil. Generic drugs usually cost less than the brand-name version. Hydroxychloroquine may be used as part of a combination therapy. Plasmodium falciparum resistance to chloroquine Plaquenil and yellow diarrhea 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. Hydroxychloroquine, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine-sensitive malaria. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. It is taken by mouth. Common side effects include vomiting, headache, changes in vision and muscle weakness. Severe side effects may include allergic reactions. It does not appear to be safe during Hydroxychloroquine can lower the seizure threshold; therefore, the activity of antiepileptic drugs may be impaired with concomitant use. Perphenazine Minor Use perphenazine and hydroxychloroquine together with caution. Hydroxychloroquine increases the QT interval and should not be administered with other drugs known to prolong the QT interval. Hydroxychloroquine is used to treat lupus erythematosus and rheumatoid arthritis. It isn’t fully understood how this drug works to treat lupus erythematosus or rheumatoid arthritis. That means you may need to take it with other drugs. It treats malaria by killing the parasites that cause the disease. Plaquenil action Treating Lupus with Anti-Malarial Drugs Johns Hopkins Lupus., Hydroxychloroquine - Wikipedia Hydroxy chloroquine 200 mgSide effects of long term use of hydroxychloroquine 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.. Plaquenil hydroxychloroquine sulfate dose, indications.. Plaquenil hydroxychloroquine sulfate dosing, indications.. Feb 19, 2020 Plaquenil hydroxychloroquine is an antimalarial medication used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil ® hydroxychloroquine – New Warnings • On January 27, 2017, the FDA approved new updates to the. Warnings. section of the Plaquenil hydroxychloroquine drug label regarding cardiac effects, including cardiomyopathy and QT prolongation, and hypoglycemia. • Plaquenil is indicated for the treatment of uncomplicated malaria due to The antimalarial agents chloroquine and hydroxychloroquine have been used widely for the treatment of rheumatoid arthritis and systemic lupus erythematosus. These compounds lead to improvement of clinical and laboratory parameters, but their slow onset of action distinguishes them from glucocorticoids and nonsteroidal antiinflammatory agents.