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. Chloroquine ic 50 Chloroquine heme transferase Plaquenil and fibromyalgia Plaquenil and sun rash Apr 05, 2017 Ocular/eye damage is a side effect of Plaquenil seen especially with long term use of medication. Once damage to the eyes are noted, recommendation is to discontinue the medication, as further use can only worsen the ocular damage. Feb 19, 2020 Common side effects of Plaquenil include. nausea, vomiting, stomach pain or cramps, loss of appetite, weight loss, diarrhea, dizziness, spinning sensation, headache, ringing in your ears, Mar 17, 2019 Common hydroxychloroquine side effects may include headache, dizziness, ringing in your ears; nausea, vomiting, stomach pain; loss of appetite, weight loss; mood changes, feeling nervous or irritable; skin rash or itching; or. hair loss. 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. What are the side effects of the medication plaquenil Hydroxychloroquine Side Effects, Dosage, Uses, and More, Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses Novo chloroquine 250 mg Plaquenil hydroxychloroquine is an effective medication for autoimmune conditions and malaria that comes with less side effects than other DMARDs. You will likely have to take additional medications to keep your rheumatoid arthritis in control. Plaquenil hydroxychloroquine Basics, Side Effects & Reviews.. Hydroxychloroquine Uses, Dosage & Side Effects -. Plaquenil - Side Effects, Uses, Dosage, Overdose, Pregnancy.. Plaquenil Side Effects by Likelihood and Severity. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be. Although they are uncommon, Plaquenil has side effects that may affect your eyes. Plaquenil and Your Eyes In some people, Plaquenil can cause a condition called hydroxychloroquine retinopathy, often referred to as bulls-eye maculopathy. Hydroxychloroquine Plaquenil is considered a disease-modifying anti-rheumatic drug DMARD. It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria.