Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take hydroxychloroquine with all of your drugs and health problems. Hydroxychloroquine brand name Calcium autophagy chloroquine Hydroxychloroquine, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine-sensitive malaria. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. It is taken by mouth. Common side effects include vomiting, headache, changes in vision and muscle weakness. Severe side effects may include allergic reactions. It does not appear to be safe during Potential side effects of anti-malarial drugs include Skin rashes and pigment change. Atabrine, specifically, can cause yellow pigmentation of skin. Sometimes Plaquenil can also deposit in the tissues of the body and cause the skin to take on a greenish tone. Dry skin. Loss of appetite. Abdominal bloating. Upset stomach. Use WebMD’s Drug Interaction Checker tool to find and identify potentially harmful and unsafe combinations of prescription medications by entering two or more drugs in question. For all uses of hydroxychloroquine: WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Do not start, stop, or change the dose of any drug without checking with your doctor. Drug reactions in plaquenil Plaquenil Side Effects Common, Severe, Long Term -, Treating Lupus with Anti-Malarial Drugs Johns Hopkins. Chloroquine patient information leafletRetinal thickness map plaquenil toxicityChloroquine phosphate lupusHydroxychloroquine is associated with macular damage rash and diarrhea Jan 01, 2020 Insulin or antidiabetic drugs As Plaquenil may enhance the effects of a hypoglycemic treatment, a decrease in doses of insulin or antidiabetic drugs may be required. Drugs that prolong QT interval and other arrhythmogenic drugs Plaquenil prolongs the QT interval and should not be administered with other drugs that have the potential to induce cardiac arrhythmias. Plaquenil - FDA prescribing information, side effects and uses. Drug Interaction Checker - Find Interactions Between Medications. Adverse Cutaneous Reactions to Hydroxychloroquine Are More.. 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. Hydroxychloroquine may cause some people to be agitated, irritable, or display other abnormal behaviors. It may also cause some people to have suicidal thoughts and tendencies, or to become more depressed. If you or your caregiver notice any of these side effects, tell your doctor right away. This medicine may cause hypoglycemia low blood sugar. What are the possible side effects of hydroxychloroquine Plaquenil, Plaquenil Sulfate, Quineprox? Get emergency medical help if you have signs of an allergic reaction hives ; difficulty breathing; swelling of your face, lips, tongue, or throat.