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. Plaquenil for hair loss Can plaquenil affect thyroid Hepatic impairment Estimation of plasma hydroxychloroquine levels to be undertaken in patients with severely compromised function and dosage adjusted accordingly. Oral Systemic lupus erythematosus Adult Initially, 400 mg daily in divided doses. Maintenance 200-400 mg/day. Max 6.5 mg/kg/day or 400 mg/day whichever is lower. 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. Visit for more details. 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. If you notice any other effects, check with your healthcare professional. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them: Other side effects not listed may also occur in some patients. Hydroxychloroquine sulfate oral tablet 200 mg Hydroxychloroquine Sulfate Tablets, USP 200 mg*, Hydroxychloroquine Oral Tablet 200Mg Drug Medication. Julia hu hydroxychloroquineUse of chloroquine during pregnancyWhat class of drug is chloroquine Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine may cause some unwanted effects. 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 Hydroxychloroquine Side Effects Common, Severe, Long Term.. Mylan-Hydroxychloroquine - Uses, Side Effects.. Hydroxychloroquine - Side Effects, Dosage, Interactions.. Oct 30, 2019 A 25 mg/mL hydroxychloroquine sulfate oral suspension may be made with tablets. With a towel moistened with alcohol, remove the coating from fifteen 200 mg hydroxychloroquine sulfate tablets. Crush tablets in a mortar and reduce to a fine powder. The molecular weight of hydroxychloroquine sulfate is 433.95, and molecular formula is C 18 H 26 ClN 3 O. H 2 SO 4. Hydroxychloroquine sulfate tablets, USP contain 200 mg hydroxychloroquine sulfate, USP equivalent to 155 mg base, and are for oral administration. Hydroxychloroquine is taken in tablet form, with or after food. Your doctor will advise you about the correct dose. Usually you will start on a full dose of 200–400 mg daily, and later your doctor may reduce this. When your condition is very well controlled you may be advised to take hydroxychloroquine only 2–3 times per week.