It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. Plaquenil dosage rheumatoid arthritis Plaquenil warnings Plaquenil antimalarial drug Chloroquine phosphate dosage for adults I believe this has been mentioned a while back, but thought I'd ask again who has gotten small brown spots on their skin after sun exposure? I've been on Plaquenil about 2 months, and it has helped my knee/back pain, which is wonderful! I also had read that th Dark spots, hair changes, and muscle weakness. Rarely, hydroxychloroquine can lead to anemia in some individuals. This can happen in individuals with a condition known as G6PD deficiency or porphyria. In rare cases, hydroxychloroquine can cause visual changes or loss of vision. Such vision problems are more 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. They often appear brown, black, or black and blue and tend to develop on the legs, especially around the shins. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. Plaquenil and dark spots How to Get Rid of Dark Spots on the Face, PATIENT FACT SHEET Hydroxychloroquine Plaquenil Plaquenil and numb tingling handsPlaquenil metabolismWhat happens when you drink red wine on hydroxychloroquineCan you donate blood if you are taking hydroxychloroquineHydroxychloroquine and aspirin Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Hydroxychloroquine and skin darkening Hi All. - LUPUS UK. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis.. Acne After the pimple dries out, it could leave a dark brown spot in its place. In some cases, the hyperpigmented spot could also be purple or red in colour. This is called postinflammatory. Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as. Hydroxychloroquine typically is very well tolerated. Serious side effects are rare. The most common side effects are nausea and diarrhea, which often improve with time. Less common side effects include rash, changes in skin pigment such as darkening or dark spots, hair changes, and muscle weakness.