Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. Plaquenil dosage for malaria Kinds o generic hydroxychloroquine PLAQUENIL hydroxychloroquine sulfate tablets is indicated for the treatment of rheumatoid arthritis, and discoid and systemic lupus erythematosus, in patients who have not responded satisfactorily to drugs with less potential for serious side effects. Hydroxychloroquine C18H26ClN3O CID 3652 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities. Hydroxychloroquine Oral tablet 200mg Drug Medication Dosage information. Learn about the reported side effects, related class drugs, and how these medications will affect your daily lifestyle. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Hydroxy chloroquine 200 mg Hydroxychloroquine Sulfate Tablets, USP 200 mg Rx only, Hydroxychloroquine C18H26ClN3O - PubChem Does hydroxychloroquine require a prescriptionTake plaquenil while healing leaky gutPlaquenil for seronegative arthropathy One PLAQUENIL tablet contains 200 mg of hydroxychloroquine sulfate, which is equivalent to 155 mg base. Take PLAQUENIL with a meal or a glass of milk. Malaria Prophylaxis. Adults. 400 mg 310 mg base once weekly on the same day of each week starting 2 weeks prior to exposure, and continued for 4 weeks after leaving the endemic area. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. Hydroxychloroquine Oral Tablet 200Mg Drug Medication Dosage.. Hydroxychloroquine Uses, Dosage & Side Effects -. Hydroxychloroquine comes in an oral tablet. Adult dosing ranges from 200 mg or 400 mg per day 6.5mg/kg. In some cases, higher doses can be used. It is recommended one tablet twice daily if taking more than one tablet. It is recommended to be taken with food. It is frequently sold as a sulfate salt known as hydroxychloroquine sulfate. 200 mg of the sulfate salt is equal to 155 mg of the base. Brand names of hydroxychloroquine include Plaquenil, Hydroquin, Axemal in India, Dolquine, Quensyl, Quinoric. References Hydroxychloroquine 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.