It does not work against certain types of malaria (chloroquine-resistant). The United States Center for Disease Control provides updated guidelines and travel recommendations for the prevention and treatment of malaria in different parts of the world. Plaquenil and drug induced lupus Hydroxychloroquine how to take Hydroxychloroquine sulfate dosage PRECAUTIONS Before taking hydroxychloroquine, tell your doctor or pharmacist if you are allergic to it; or to other aminoquinolines e.g. chloroquine; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Final Thoughts on Plaquenil Warnings and Precautions. There are a number of situations in which Plaquenil should not be taken, along with several precautions and warnings people should be aware of before starting the medication. However, it is possible that not all of the warnings or precautions with Plaquenil were discussed in this article. Nov 25, 2019 Detailed Hydroxychloroquine dosage information for adults and children. Includes dosages for Rheumatoid Arthritis, Systemic Lupus Erythematosus, Malaria Prophylaxis and more; plus renal, liver and dialysis adjustments. This medication is also used, usually with other medications, to treat certain auto-immune diseases (lupus, rheumatoid arthritis) when other medications have not worked or cannot be used. Discuss the most recent information with your doctor before traveling to areas where malaria occurs. Hydroxychloroquine precautions Plaquenil Hydroxychloroquine Sulfate, When to Avoid Plaquenil Hydroxy chloroquine oral or sulfateHow do i know if i'm allergic to hydroxychloroquineHydroxychloroquine weight based dosing 5 mg kg ideal boDoxycycline hyclate and plaquenil Over the long term hydroxychloroquine can reduce pain, swelling and joint stiffness. If you have lupus, it may also improve the rash. It may be as long as 12 weeks before you notice the benefits. Hydroxychloroquine is often taken in combination with other drugs such as methotrexate. Hydroxychloroquine Side-effects, uses, time to work. Hydroxychloroquine Dosage Guide with Precautions -. Hydroxychloroquine Indications, Side Effects, Warnings.. Hydroxychloroquine is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America. Plaquenil can damage the retina of the eye, which can lead to blindness. This eMedTV page lists other side effects or complications that may occur with Plaquenil. Warnings and precautions on who should not use this drug are also listed on this page. Plaquenil. Uses. Hydroxychloroquine is used to prevent or treat malaria infections caused by mosquito bites. It does not work against certain types of. Side Effects. Precautions. Interactions.