Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Chloroquine resistant falciparum malaria Chloroquine plus proguanil price Does Plaquenil Interact with other Medications? Severe Interactions. These medications are not usually taken together. Consult your healthcare professional e.g. doctor or pharmacist for more in. Hydroxychloroquine HCQ, 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. Find patient medical information for Hydroxychloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Hydroxychloroquine is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Hydroxychloroquine interaction Drug Interactions With Hydroxychloroquine, Hydroxychloroquine - Wikipedia Plaquenil brain fogPlaquenil burning eyesPlaquenil keratopathyOcular issue plaquenilPlaquenil preeclempsis antiphospholipid Does Hydroxychloroquine Have Side Effects? Like all medications, there is the risk of side effects. Fortunately, the problems seen by people taking this medication are usually very mild. Serious side effects are rare. Overall, most people who have any noticeable side effects from hydroxychloroquine experience diarrhea or nausea. RA and Hydroxychloroquine How Effective is it for Rheumatoid Arthritis.. Hydroxychloroquine Oral Uses, Side Effects, Interactions.. Hydroxychloroquine Oral Route Precautions - Mayo Clinic. Although there are few drug interactions with hydroxychloroquine, to be safe be sure to tell your doctor about all of the medications you are taking, including over-the-counter drugs and natural remedies. Be sure to notify your other physicians when taking this drug. This drug does not have a strong effect 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. Appropriate studies performed to date have not demonstrated pediatric-specific problems that would limit the usefulness of hydroxychloroquine to prevent and treat malaria in children. However, children are more sensitive to the effects of this medicine than adults.