This medicine is also sometimes given off-label to help the following conditions: Also, let your doctor know if you drink large amounts of alcohol before starting on this medicine. Your doctor will probably want to order frequent tests to check your body's response to chloroquine. Amoxicillin and plaquenil Plaquenil and diiclofenac Lyme plaquenil dosage Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Serious Side Effects of Plaquenil If you are taking Plaquenil long-term, such as for an autoimmune condition, your doctor should regularly check you for potential serious side effects. Common side effects include muscle problems, loss of appetite, diarrhea, and skin rash. Serious side effects include problems with vision, muscle damage, seizures, and low blood cell levels. It appears to be safe for use during pregnancy. Chloroquine is a member of the drug class 4-aminoquinoline. Let your healthcare provider know if your symptoms either don't improve or worsen while taking this medicine. Keep all appointments with your doctor and laboratory. Chloroquine side effects Is Chloroquine a Cure for Coronavirus? Scientists Say., Plaquenil Hydroxychloroquine - Side Effects, Dosage. Plaquenil et le soleil Find patient medical information for Chloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Chloroquine Oral Uses, Side Effects, Interactions.. Chloroquine - Wikipedia. Chloroquine - FDA prescribing information, side effects and uses. Find information about common, infrequent and rare side effects of Chloroquine Oral. Aralen Chloroquine may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. Find patient medical information for Hydroxychloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings.