It does not work against certain types of malaria (chloroquine-resistant). The United States Center for Disease Control provides updated guidelines and travel recommendations for the prevention and treatment of malaria in different parts of the world. Why hair loss from plaquenil How does plaquenil work for sjogren's Package inserts for hydroxychloroquine Plaquenil report side effects that may be seen in patients taking hydroxychloroquine at recommended doses for rheumatoid arthritis RA or systemic lupus erythematosus. 1,2 In available studies, the frequency of reported side effects has been low, and are usually mild. 3 Many side effects are transient. Hydroxychloroquine is in a class of drugs called antimalarials. It is used to prevent and treat acute attacks of malaria. It is also used to treat discoid or systemic lupus erythematosus and rheumatoid arthritis in patients whose symptoms have not improved with other treatments. 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. This medication is also used, usually with other medications, to treat certain auto-immune diseases (lupus, rheumatoid arthritis) when other medications have not worked or cannot be used. Discuss the most recent information with your doctor before traveling to areas where malaria occurs. Is diarrhea a side effect of hydroxychloroquine PATIENT FACT SHEET Hydroxychloroquine Plaquenil, Hydroxychloroquine MedlinePlus Drug Information Chloroquine santa cruz Some side effects of hydroxychloroquine 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. Hydroxychloroquine Side Effects Common, Severe, Long Term.. Hydroxychloroquine Plaquenil. Plaquenil and diarrhea -. Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Common side effects include vomiting, headache, changes in vision and muscle weakness. Severe side effects may include allergic reactions. Although all risk cannot be excluded it remains a treatment for rheumatic disease during pregnancy. Hydroxychloroquine is in the antimalarial and 4-aminoquinoline families of medication. As for the the tummy issues with Plaquenil that is probably the most common side effect with this drug. Normally, most patients get used to this drug and the tummy issues go away. Glad to hear that you're feeling some of the good side effects from the drug. It can take up to the full six months before Plaquenil to fully kick in.