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. Hydroxychloroquine in type 2 diabetes Hydroxychloroquine poisoning Plaquenil and fevers Magnesium supplementation may reduce blood levels of chloroquine, a compound similar to hydroxychloroquine, and decrease its effectiveness. Until more is known, people taking hydroxychloroquine for arthritis who are also using magnesium supplements and are not experiencing relief might try avoiding the supplements or taking them at separate times. Hydroxychloroquine sulfate sulfate base, and are for oral PLAQUENIL® HYDROXYCHLOROQUINE SULFATE TABLETS, USP DESCRIPTION PLAQUENIL h. ydroxychloroquine sulfate is a. white or practically white, crystalline. powder freely. soluble in water; practically insoluble in alcohol, chloroform, and in ether. The. chemical. name for Feb 19, 2020 PLAQUENIL hydroxychloroquine sulfate tablets contain 200 mg hydroxychloroquine sulfate, equivalent to 155 mg base, and are for oral administration. Inactive Ingredients Dibasic Calcium Phosphate, Hydroxypropyl Methylcellulose, Magnesium Stearate, Polyethylene glycol 400, Polysorbate 80, Corn Starch, Titanium Dioxide. 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. Magnesium with hydroxychloroquin Plaquenil - Uses, Side Effects, Interactions -, PLAQUENIL HYDROXYCHLOROQUINE SULFATE TABLETS, USP DESCRIPTION Plaquenil and epidural anesthesiaPlaquenil et le soleil Dosage and Administration One tablet of 200 mg of hydroxychloroquine sulfate is equivalent to 155 mg base. Malaria Suppression—In adults, 400 mg =310 mg base on exactly the same day of each week. In infants and children, the weekly suppressive dosage is 5 mg, calculated as base, per kg of body weight. HYDROXYCHLOROQUINE - Hydroxychloroquine sulfate. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. Magnesium Oxide MedlinePlus Drug Information. If you are also taking a certain drug for diarrhea kaolin or taking antacids such as magnesium/aluminum hydroxide, take hydroxychloroquine at least 4 hours before or after these products. These products may bind with hydroxychloroquine, preventing your body from fully absorbing it. Sep 13, 2019 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 is usually taken with food or milk to prevent stomach upset. The dosage and length of treatment are based on your medical condition and response to therapy. In children, dosage.