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. Does plaquenil suppress your immune system Chloroquine antigen presentation Plaquenil dosage for malaria prevention Rashes is found among people who take Plaquenil, especially for people who are female, 60+ old, have been taking the drug for 1 month, also take medication Enbrel, and have Pain. This study is created by eHealthMe based on reports of 48,911 people who have side effects when taking Plaquenil from Food and Drug Administration FDA, and is updated regularly. 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. 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. Malaria is spread by mosquitoes. 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. Rash caused by plaquenil Hydroxychloroquine Sulfate Rash Reports - DrugInformer, Hydroxychloroquine Plaquenil Hydroxychloroquine sulfate tApproval of hydroxychloroquine in diabetesPlaquenil and dermatomyositis Along with its needed effects, hydroxychloroquine may cause some unwanted effects. 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 Hydroxychloroquine Side Effects Common, Severe, Long Term -. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria. Sep 13, 2019 Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine the active ingredient contained in Plaquenil may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Less common side effects Skin rashes or changes in skin color. Thinning hair. Weakness. Irregular heartbeat. Mental/mood changes. Arm/leg/back pain. Anxiety. Depression. Ringing in the ears or hearing loss. Worsening of skin conditions If you have psoriasis, Plaquenil may make your. For example Plaquenil Your body then makes a chemical that causes the allergic reaction. So every time you are exposed to the allergan, the body makes the chemical very quickly as it now knows how and you get a rash, or other symptoms.