Please review the following URL and make sure that it is spelled correctly. The following information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist or other healthcare professional. Plaquenil causes lowcalcium levels Plaquenil long term use side effects Doxycycline and hydroxychloroquine Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. Avoid taking antacids within 4 hours of taking this medicine. It is best to separate these medicines by at least 4 hours. Do not cut, crush or chew this medicine. You can take it with or without food. If it upsets your stomach, take it with food. What do I need to tell my doctor BEFORE I take Hydroxychloroquine? If you have an allergy to hydroxychloroquine or any other part of hydroxychloroquine. If you are allergic to hydroxychloroquine; any part of hydroxychloroquine; or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had. Take hydroxychloroquine exactly as prescribed by your doctor. Follow all directions on your prescription label. Do not take this medicine in larger or smaller amounts or for longer than recommended. Hydroxychloroquine is sometimes given only once per week. Choose the same day each week to take this medicine if you are on a weekly dosing schedule. Consult your healthcare professional before using this drug. It should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. Do i need a prescription for hydroxychloroquine Hydroxychloroquine Oral Uses, Side Effects, Interactions, Pictures., Hydroxychloroquine - Prescription Drug Information, Interactions & Side. Chloroquine phosphate oral dosagePlaquenil breastfeedingHow long does it take hydroxychloroquine to affectnyour eyeaPlaquenil clovequinPlaquenil side effects mood changes Hydroxychloroquine can be taken with a glass of milk or a meal to decrease nausea. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take hydroxychloroquine exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor. Hydroxychloroquine MedlinePlus Drug Information. Hydroxychloroquine Uses, Dosage & Side Effects -. Blink Health. Plaquenil hydroxychloroquine is an antimalarial medication used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Hydroxychloroquine prescription trends and predictors for excess dosing per recent ophthalmology guidelines. This implies the potential need to reduce dosing for many patients but also calls for further research to establish unifying evidence-based safe and effective dosing strategies. Hydroxychloroquine may cause some people to be agitated, irritable, or display other abnormal behaviors. It may also cause some people to have suicidal thoughts and tendencies, or to become more depressed. If you or your caregiver notice any of these side effects, tell your doctor right away. This medicine may cause hypoglycemia low blood sugar.