Plaquenil 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, and Southern Asia. Plaquenil and skin issues Plaquenil medication interactions Hydroxychloroquine side effects may range from mild to severe, although some side effects may go away with time. Some of the most common side effects of hydroxychloroquine include 3, 4 loss of appetite. diarrhea. headache. nausea. vomiting. stomach pain. shakiness. skin rash. More serious hydroxychloroquine side effects include 3, 4 HYDROXYCHLOROQUINE is used to treat rheumatoid arthritis and systemic lupus is also used to treat malaria. The lowest GoodRx price for the most common version of generic Plaquenil is around $20.41, 88% off the average retail price of $177.73. Plaquenil hydroxychloroquine is in a class of drugs called disease-modifying anti-rheumatic drugs, which are used to decrease inflammation, pain and joint damage. While today it is used to treat autoimmune conditions, such as rheumatoid arthritis and lupus, it was originally used as an anti-malaria drug. Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. Plaquenil hydroxychloroquine side effects Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria, Plaquenil Side Effects - GoodRx Chloroquine in hepatic amoebiasisChloroquine endosomeCan you take hydroxychloroquine sulfate if youre allergic to.sulfaPlaquenil patient assistance applicationPlaquenil 6 months Tell your doctor if any of the following side effects, as they may be indications of a more serious reaction Headache. Loss of appetite. Dizziness. Nausea. Diarrhea, vomiting, or stomach pain. Skin rash. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Plaquenil Side Effects on Your Eyes and Vision. Hydroxychloroquine Plaquenil. May 24, 2019 Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away Dizziness. Headache. Feeling nervous and excitable. Not hungry. Weight loss. Upset stomach or throwing up. Stomach pain or diarrhea. Feeling tired or weak. Change in color of skin. Change in color of hair. Hair loss. These are not all of the side effects that may occur. Hydroxychloroquine Plaquenil and sulfasalazine Azulfidine are used for mild rheumatoid arthritis. They are not as powerful as other DMARDs, but they usually cause fewer side effects. In rare cases, Plaquenil can adversely affect the eyes, and people taking this medicine should be seen by an ophthalmologist at least once a year. Side Effects Nausea, stomach cramps, loss of appetite, diarrhea, dizziness, or headache may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly. Remember.