Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Plaquenil and mixed connective tissue disease Hydroxychloroquine breast cancer Plaquenil withdrawl In some people, HCQ may cause gastrointestinal problems, such as nausea, vomiting, upset stomach, cramps, or diarrhea. These may occur for the first few days a person takes the drug while the body adjusts to the medication. Loss of appetite, tiredness, weakness, or headache are uncommon side effects and typically go away over time. Rare. Hydroxychloroquine Plaquenil is considered a disease-modifying anti-rheumatic drug DMARD. It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. Hydroxychloroquine and diabetes drugs all decrease your blood sugar level. Taking hydroxychloroquine with these drugs could cause hypoglycemia low blood sugar. 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 cause dile Hydroxychloroquine Uses, Dosage & Side Effects -, Hydroxychloroquine Plaquenil Withdrawal effects of plaquenil Hydroxychloroquine is a derivative of chloroquine that has both antimalarial and antiinflammatory activities and is now most often used as an antirheumatologic agent in systemic lupus erythematosis and rheumatoid arthritis. Hydroxychloroquine therapy has not been associated with liver function abnormalities and is an extremely rare cause of clinically apparent acute liver injury. Hydroxychloroquine - LiverTox - NCBI Bookshelf. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Drug-Induced Lupus Causes, Symptoms, Diagnosis - WebMD. Many systemic medications may cause retinal toxicity. One such commonly used medication for dermatologic and rheumatologic inflammatory conditions is hydroxychloroquine Plaquenil, a chloroquine derivative. It is used to treat many diseases including malaria, rheumatoid arthritis and systemic lupus erythematosus. At least 46 drugs currently in use can cause drug-induced lupus. While lupus-inducing drugs are typically those used to treat chronic diseases, no obvious common denominator links the drugs. That said, the clinical features and laboratory abnormalities in lupus induced by most drugs are remarkably similar. The list includes medications used to. In rare cases, Plaquenil can cause cardiomyopathy, a chronic disease of the heart muscle. If you're taking Plaquenil for an autoimmune condition, your symptoms should begin to improve after a few.