Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Psoriasis and plaquenil Hydroxychloroquine use during pregnancy If you are 65 or older, use hydroxychloroquine with care. You could have more side effects. Tell your doctor if you are pregnant, plan on getting pregnant, or are breast-feeding. You will need to talk about the benefits and risks to you and the baby. Preventing malaria Common Hydroxychloroquine sulfate side effects - a study from FDA data Summary In this review, we analyze Hydroxychloroquine sulfate side effects by the time on the drug, gender and age of the people who have side effects while taking Hydroxychloroquine sulfate. 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 lupus, rheumatoid arthritis, and others. Hydroxychloroquine may also be used for purposes not listed in this medication guide. Hydroxychloroquine is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Hydroxychloroquine uses and side effects Plaquenil Side Effects Common, Severe, Long Term -, Common Hydroxychloroquine sulfate side effects a study from FDA data. Hydroxychloroquine-induced pigmentationPlaquenil for psaPlaquenil and hydreaInfo plaquenilWhat are similar drugs to plaquenil Hydroxychloroquine received an overall rating of 7 out of 10 stars from 368 reviews. See what others have said about Hydroxychloroquine, including the effectiveness, ease of use and side effects. Hydroxychloroquine Reviews Everyday Health. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. HYDROXYCHLOROQUINE - ORAL Plaquenil side effects, medical uses, and.. Hydroxychloroquine is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America. 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. Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.