Hydroxychloroquine is available as the brand-name drug Plaquenil. Generic drugs usually cost less than the brand-name version. Hydroxychloroquine may be used as part of a combination therapy. Can plaquenil be used for ulcerative colitis Plaquenil c 24-2 Common 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. Aug 29, 2014 One of the reasons that physicians feel comfortable in prescribing Plaquenil is its low risk to benefit ratio. This means that the side effects of Plaquenil are mild and infrequent compared with its potential benefits. As with any medication, allergic reactions including skin rashes and non-allergic reactions can occur. The changes are most often permanent, but in some cases, vision has improved. Most rheumatologists recommend patients undergo a baseline eye examination prior to starting Plaquenil and be re-examined in the future depending on their risk for developing the condition. Risk factors include advanced age and having pre-existing retinal disease. Hydroxychloroquine is used to treat lupus erythematosus and rheumatoid arthritis. It isn’t fully understood how this drug works to treat lupus erythematosus or rheumatoid arthritis. That means you may need to take it with other drugs. It treats malaria by killing the parasites that cause the disease. Plaquenil skin changes Hydroxychloroquine Plaquenil Side Effects & Dosage for., The Risk of Retinal Toxicity with Plaquenil Plaquenil eye symptomsHydroxychloroquine eye retinaPlaquenil mid back pain Most people who take Plaquenil also take other medicines for pain and stiffness. How does Plaquenil work? Plaquenil changes the way your immune system works. In some kinds of lupus, your immune system attacks your body instead of protecting it. Plaquenil tries to quiet or slow down the immune system. How do you take Plaquenil? Lupus Medicines Hydroxychloroquine - Brigham and Women's.. Plaquenil Side Effects on Your Eyes and Vision. Taking Plaquenil for Rheumatoid Arthritis. Side effects of Plaquenil that are different from Aralen include loss of appetite, weight loss, dizziness, spinning sensation, ringing in your ears, mood changes, nervousness, irritability, skin rash, or itching. Side effects of Aralen that are different from Plaquenil include blurred vision, changes in hair color, or muscle weakness. Hydroxychloroquine HCQ-associated hyperpigmentation is uncommon, with onset ranging from 3 months to 22 years following the initiation of therapy 1. A 32-year-old woman presented with a 1.5-year history of symmetric polyarthritis, positive rheumatoid factor, and anticyclic citrullinated peptide antibody, without erosive joint changes. A known side effect of using antimalarials long term is dark patches on the skin. The Lupus Encyclopedia Thomas Jr. 2014 says this 'One of the potential long-term side-effects of using anti-malarial medications such as hydroxychloroquine Plaquenil, chloroquine, and quinacrine is the development of dark-colored patches on the skin.