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. Chloroquine lupus dose Plaquenil for apd Tablet chloroquine comment se present Hydroxychloroquine is in the antimalarial and 4-aminoquinoline families of medication. Hydroxychloroquine was approved for medical use in the United States in 1955. It is on the World Health Organization's List of Essential Medicines, the safest and most effective medicines needed in a health system. To treat lupus erythematosus, the average adult dose is 400 mg once or twice daily. Plaquenil may interact with acetaminophen, cancer medications, tuberculosis medications, birth control pills or hormone replacement therapy, arthritis medications, ACE inhibitors, antibiotics, antifungals, cholesterol medications. For long-term use, the dose of hydroxychloroquine is usually reduced to 200 mg to 400 mg daily. Malaria The recommended preventative adult dose is 400 mg on exactly the same day of each week, beginning 2 weeks before exposure and continued for 8 weeks after leaving the high-risk area. 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. Apo-hydroxychloroquine 200 mg APO-Hydroxychloroquine Tablets - NPS MedicineWise, Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses Is hydroxychloroquine safe in pregnancyWhat effect does plaquenil have on the bodyTeaching about hydroxychloroquinePlaquenil safe during pregnancyPlaquenil and sulfa allergy Hydroxychloroquine sulfate 200 mg is equivalent to 155 mg hydroxychloroquine base. Malaria Hydroxychloroquine Professional Patient Advice -. Apo-Hydroxyquine - Uses, Side Effects, Interactions.. Hydroxychloroquine Oral Uses, Side Effects, Interactions.. Consumer Medicine Information CMI about APO-Hydroxychloroquine hydroxychloroquine sulfate intended for persons living in Australia. Hydroxychloroquine 200 mg tablet. color white shape oblong imprint AC54 This medicine is a white, oblong, film-coated, tablet imprinted with "AC54". ‹ Back to Gallery. For the treatment of RA, hydroxychloroquine is typically taken by mouth once daily at 200-400 mg, although it can be taken at a higher dose. A loading dose of 1,200 mg daily, given for 6 weeks may decrease the time to clinical response. However, experts debate that this higher dosage may increase the risk of toxicity.