Plaquenil toxicity on retina

Discussion in 'Chloroquine 250' started by hoster.ru, 09-Mar-2020.

  1. alegor Guest

    Plaquenil toxicity on retina


    Her rheumatologist instructed her to undergo a baseline ocular examination prior to initiating Plaquenil (hydroxychloroquine, Sanofi-Aventis) therapy. Toxic maculopathy associated with chloroquine use was first documented in the literature five decades ago.1 In the United States, Plaquenil––an analog to chloroquine––is used to treat a variety of conditions, including rheumatoid arthritis, lupus and several distinct inflammatory disorders. Although the incidence of macular toxicity is infrequent with Plaquenil use (at a dosage of 200mg or 400mg q.d.), its visual impact can be devastating.

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    Research has shown that your risk of developing retinopathy is higher the longer you are taking Plaquenil. In fact, the incidence of retinal toxicity rises sharply in people that have taken it between 5 and 7 years. As a result, baseline testing should occur within the first year of taking the drug and then annually at the five-year mark. Aug 06, 2014 Hydroxychloroquine, sold under the brand name Plaquenil Sanofi-Aventis, is an antimalarial drug that has gained widespread use in treating various autoimmune diseases, including systemic lupus erythematosus and rheumatoid arthritis. 1 By some estimates, more than 150,000 patients are on long-term therapy with this medication in America alone. 2 Retinal toxicity associated with HCQ use is relatively rare, estimated at 1 percent after five years and rising with continued therapy. 3 However. Plaquenil related eye complications are not common. Plaquenil can produce pigment changes in the macula of the retina. The retina is the part of the back of the eye that you see with. The macula is the central part of the retina responsible for central fine vision. With Plaquenil related toxicity, the pigment in the macula can change and alter vision by producing blurring and distortion of objects.

    Initially, central visual acuity may be unaffected, but the patient may notice related paracentral scotomas that often interfere with reading. The associated classic retinal toxicity is described as a bull’s eye maculopathy (ring of depigmented retinal pigment epithelium that spares the foveal area).

    Plaquenil toxicity on retina

    Hydroxychloroquine Plaquenil Toxicity and Recommendations for Screening, Multimodal Imaging in Plaquenil Toxicity

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  6. Plaquenil is manufactured in only a 200 mg tablet The typical dosage is either 200 or 400 mg per day 200 mg daily puts anyone under 68 pounds at risk1 400 mg of Plaquenil daily puts anyone under 135 pounds at a higher risk for toxicity Therefore, 200mg of Plaquenil daily is going to be a safe dosage for virtually all adults13

    • Early Plaquenil Toxicity Detected without Bull’s Eye Maculopathy.
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    Sep 15, 2014 Hydroxychloroquine sulfate HCQ, Plaquenil is an analogue of chloroquine CQ, an antimalarial agent, used for the treatment of systemic lupus erythematosus, rheumatoid arthritis and other autoimmune disorders. Its use has been associated with severe retinal toxicity, requiring a discontinuation of therapy. By 2/2010 things were so dim I could not see to shop in stores. I quit taking Plaquenil but the DR still said no toxicity. My eyes continued to get worst. In tears I went back in July he finally sent me to a retina specialist. You don't have to have Bulls eye damage to have toxicity Over weight women over 60 should beware of taking Plaquenil. Plaquenil Toxicity is due to its affinity for melanin-containing structures in body. With prolonged usage, metabolites of drug accumulate in the retina.

     
  7. gfdsg New Member

    : September 14, 2016 Chief complaint: Whirling and flashing lights A 57-year-old female presented to the Ophthalmology clinic at UIHC complaining bilateral central photopsias for the past two years. Hydroxychloroquine And Chloroquine Screening 2016 AAO. Plaquenil - Wellish Vision Institute What can Hydroxychloroquine Plaquenil do to my eyes?
     
  8. Lee999 New Member

    Protecting your eyesight when taking Plaquenil Lupus. While side effects of corticosteroids are usually to blame, there is also the possibility of ocular damage associated with long-term use of the antimalarial drugs hydroxychloroquine brand name Plaquenil® and chloroquine. Improved vision screening tests and updated dosing guidelines are key to avoiding such complications.

    Plaquenil screening eye exam, hydroxychloroquine toxicity - A.