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. Plaquenil side effects gums Buy aralen side Although it is considered rare, retinal toxicity from the intake of Plaquenil can be irreversible even if the drug is discontinued 2, 3. What is Plaquenil Toxicity? The toxicity resulting from the intake of Plaquenil is due to its affinity for melanin-containing structures in the body. AAO revised guidelines. The AAO published dosing and screening recommendations for chloroquine and hydroxychloroquine in 2016, revising previous recommendations published in 2011. The current maximum daily HCQ dose recommended by the AAO is 5 mg/kg of real weight. 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 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. Plaquenil toxicity guideline Plaquenil Dosage Guide -, Despite Plaquenil dosing recommendations, retinal toxicity. Plaquenil 250Plaquenil with dentistryHydroxychloroquine dose based on weight and renal functionChloroquine pharmacokineticsChloroquine in breastfeeding The more likely they are to develop toxicity However, there is an extremely low chance of toxicity within the first five years of usage of the drug Revised guidelines recommend19 • Baseline examination within first year of usage of Plaquenil Hydrochloroquine or Aralen Chloroquine • Annual screening after 5 years of use Early Plaquenil Toxicity Detected without Bull’s Eye Maculopathy. PLAQUENIL HYDROXYCHLOROQUINE SULFATE TABLETS, USP DESCRIPTION. Plaquenil Risk Calculators. The main outcomes were toxicity as determined by characteristic visual field loss or retinal thinning and photoreceptor damage. They also examined risk factors and prevalence. The study findings revealed that when hydroxychloroquine was used at doses 5mg /kg, the risk of retinopathy was 1% in the first 5 yrs. 2% in 10 yrs. 20 % after 20 yrs. Lyons emphasizes the importance of annual screening and says that, although annual screening is recommended for everyone taking Plaquenil, it is imperative for people who have been taking the medication for more than 10 years, who have a higher incidence of retinal toxicity. Plaquenil-induced toxicity usually will not occur before five years of. Monitoring for Toxicity. The American Academy of Ophthalmology has published guidelines for monitoring patients for Plaquenil toxicity. Some cases are difficult to detect, especially if other eye problems are present. Current testing for Plaquenil toxicity may include Visual field testing to evaluate for missing spots near the center of the.