Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. What is the half life of chloroquine Pics of ocular side effects chloroquine corneal damage Hydroxychloroquine sulfate tablets usp 200 mg uses Exacerbation of Psoriasis due to Hydroxychloroquine Sara S McCoy1*, Vivek Nagaraja2, Scott Paviol3, Johann E Gudjonsson4 and J Michelle Kahlenberg1 1 Department of Internal Medicine, Di-vision of Rheumatology, University of Michigan, USA 2 Department of Internal Medicine, Division of Rheumatology, University of Toledo, USA Antimalarials Plaquenil hydroxychloroquine, Quinacrine mepacrine, and chloroquine, used to treat malaria and autoimmune disorders like lupus or rheumatoid arthritis, can induce flares in over 30 percent of people with psoriasis who take them. New or exacerbated symptoms usually occur two to three weeks after starting treatment. Chloroquine needs to be taken 1-2 weeks before traveling to an area with malaria, compared to some alternatives that can be taken 1-2 days before. chloroquine is only effective against malaria from certain areas of the world. chloroquine may worsen psoriasis, seizures, hearing problems, and liver conditions. 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. Chloroquine and psoriasis Chloroquine and Psoriasis, International Journal of Dermatology 10., Drugs That Can Trigger or Worsen Psoriasis What is side effects of plaquenilPlaquenil and catching coldsChloroquine storage temp What Is Plaquenil? 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 is available in generic form. What Are Side Effects of Plaquenil? Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Compare Plaquenil vs Chloroquine -. Aralen chloroquine Malaria Drug Side Effects & Dosage. Worsening of Psoriasis and Porphyria Use of Chloroquine phosphate tablets in patients with psoriasis may precipitate a severe attack of psoriasis. When used in patients with porphyria the condition may be exacerbated. Chloroquine phosphate tablets should not be used in these conditions unless the benefit to the patient outweighs the potential. Chloroquine is contraindicated in patients with psoriasis, retinal disease, or porphyria. The preparations of chloroquine available in the U. S. are bitter-tasting tablets; hydroxychloroquine is better tolerated in children. Suspensions of chloroquine are available widely elsewhere for pediatric use and are much better tolerated. At least 2 cases of exacerbation of psoriasis requiring hospitalization have been reported. Patients with psoriasis should be cautioned about the potential for exacerbation. Generalized exanthematous pustulosis occurred in a patient during combined chloroquine-proguanil therapy.