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. Optomolologist plaquenil eye exam montgomery al Unusual bleeding with plaquenil Hydroxychloroquine also known by its brand name of Plaquenil is very similar to chloroquine and in the lab, scientists have found that hydroxychloroquine may be even better than chloroquine in preventing SARS-COV-2 infection of cells. 4. Does this mean that lupus patients that take Plaquenil are protected from developing COVID-19? 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 hye drox ee KLOR oh kwin is used to treat rheumatoid arthritis and systemic lupus erythematosus. It is also used to treat malaria. This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions. COMMON BRAND NAMES Plaquenil, Quineprox 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 common name Hydroxychloroquine Side Effects Common, Severe, Long Term -, Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria Hydroxychloroquine sulfate hcqChloroquine sigma ready made Find patient medical information for Hydroxychloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Hydroxychloroquine Oral Uses, Side Effects, Interactions, Pictures.. Hydroxychloroquine tablets - Cleveland Clinic. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. Hydroxychloroquine is a prescription drug. It comes as an oral tablet. Hydroxychloroquine is available as the brand-name drug Plaquenil. It’s also available in a generic version. Medscape - Indication-specific dosing for Plaquenil hydroxychloroquine sulfate, frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information. In some cases, they may not be available in every strength or form as the brand-name drug. Hydroxychloroquine may be used as part of a combination therapy. More common side effects.