Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. Hydroxychloroquine retin Plaquenil and esophagitis How long does it take for hydroxychloroquine to start working Plaquenil drug monograph Side Effects. Drug information provided by IBM Micromedex Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. 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. Hydroxychloroquine is a well-tolerated medication for various rheumatologic and dermatologic conditions. Its main side effects are gastrointestinal upset, skin rash, headache, and ocular toxicity1. Within the eye, hydroxychloroquine can adversely impact the cornea, ciliary body, and retina1 Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Hydroxychloroquine mide Hydroxychloroquine Oral Uses, Side Effects, Interactions., Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses Hydroxychloroquine apsChloroquine phosphate injection usesHydroxychloroquine sulfate tablets side effectsEye toxicity hydroxychloroquinePlasmodium falciparum chloroquine resistance Sep 13, 2019 Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine Hydroxychloroquine Side Effects Common, Severe, Long Term.. Hydroxychloroquine toxicity - EyeWiki. Hydroxychloroquine DermNet NZ. Medscape - Indication-specific dosing for Plaquenil hydroxychloroquine sulfate, frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information. Hydroxychloroquine shares the same mechanism of action as chloroquine, but its more tolerable safety profile makes it the preferred drug to treat malaria and autoimmune conditions. We propose that the immunomodulatory effect of hydroxychloroquine also may be useful in controlling the cytokine storm that occurs late-phase in critically ill SARS-CoV-2 infected patients. Hydroxychloroquine, an alkylated 4-aminoquinoline, is a hydroxylated form of chloroquine and has a biological mechanism of action similar to chloroquine’s. Hydroxychloroquine was originally developed as a safer alternative to chloroquine for the treatment of malaria and was later found to have antirheumatic and anti-inflammatory uses.