Too much calcium in your blood can weaken your bones, create kidney stones, and interfere with how your heart and brain work. Hypercalcemia is usually a result of overactive parathyroid glands. Chloroquine prescription Hydroxychloroquine stomach pain Chloroquine drug info Plaquenil can cause serious side effects when used in high doses for chronic diseases such as RA over the long term. The New Zealand Dermatological Society recommends that to decrease the risk of retina damage, no more than 200mg of Plaquenil should be taken a day, and a dose of 400mg per day should be taken no longer than a few weeks. Regarding hydroxychloroquine levels and lupus activity, Costedoat- Chalumeau et al measured whole blood levels in 143 individuals taking a standard dose of 400 mg per day and found a lower hydroxychloroquine level in those with active disease and that lower baseline levels were predictive of disease flare. However, increased blood calcium levels, or hypercalcemia, may also cause health problems such as kidney stones or calcium crystal formation in the arteries and organs that can cause pain and dysfunction of the affected areas. Some medications may cause increased calcium levels in the blood. Other causes of hypercalcemia include cancer, certain other medical disorders, some medications, and taking too much of calcium and vitamin D supplements. These four tiny glands are situated behind the thyroid gland. Plaquenil causes lowcalcium levels Plaquenil and Calcium/Vit D For those of you who. - LUPUS UK, Hydroxychloroquine Blood Levels in SLE Clarifying dosing. Plaquenil heart Prolia Prolia is an injection given once every six months to treat osteoporosis. Like bisphosphonates, Prolia prevents bones from releasing calcium into the blood and can cause low calcium levels. Sensipar Sensipar is used in folks with chronic kidney disease to lower PTH parathyroid hormone. Medications That Can Interfere With Your Calcium Levels.. Medications That Can Raise Calcium Levels in the Blood.. Low Sodium in Blood Hyponatremia Causes, Symptoms, & Treatment. Hydroxychloroquine sulfate is a colorless crystalline solid, soluble in water to at least 20 percent; chemically the drug is 2-4-7-Chloro-4-quinolylaminopentylethylamino ethanol sulfate 11. PLAQUENIL hydroxychloroquine sulfate tablets contain 200 mg hydroxychloroquine sulfate, equivalent to 155 mg base, and are for oral administration. A low white blood cell count leukopenia is a decrease in disease-fighting cells leukocytes in your blood. Leukopenia is almost always related to a decrease in a certain type of white blood cell neutrophil. These Drugs Can Mess With Your Potassium Levels Sharon Orrange, MD, MPH Dr. Orrange is an Associate Professor of Clinical Medicine in the Division of Geriatric, Hospitalist and General Internal Medicine at the Keck School of Medicine of USC.