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. Chloroquine phosphate dosage in child Plaquenil baseline examen Eyes hydroxychloroquine Feb 19, 2020 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. Take hydroxychloroquine with a meal or a glass of milk. To prevent malaria Start taking the medicine 2 weeks before entering an area where malaria is common. Continue taking the medicine regularly during your stay and for at least 8 weeks after you leave the area. The usual starting dose of Plaquenil is 200 mg twice a day or 400 mg once a day, administered orally, in people weighing 80 kg or more. The usual dosage works for most people who take Plaquenil, but it is possible to increase or decrease the dose based on individual needs. It's important to watch for possible side effects and toxicity. Severe Interactions These medications are not usually taken together. Consult your healthcare professional e.g. doctor or pharmacist for more in formation. These medications may interact and cause very harmful effects. Consult your healthcare professional e.g. doctor or pharmacist for more in formation. 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. How to take plaquenil Foods to Avoid When Taking Plaquenil Oral, Taking Plaquenil for Rheumatoid Arthritis What does plaquenil do to the immune system Hydroxychloroquine comes as a tablet to take by mouth. For prevention of malaria in adults, two tablets are usually taken once a week on exactly the same day of each week. The first dose is taken 1 to 2 weeks before traveling to an area where malaria is common, and then doses are continued for 8 weeks after exposure. Hydroxychloroquine MedlinePlus Drug Information. Plaquenil Oral Interactions with Other Medication. Who Is at Risk for Vision Loss with Plaquenil? - American.. Is hydroxychloroquine Plaquenil safe to take if I'm pregnant or breastfeeding? Hydroxychloroquine should only be used in pregnant women for malaria prophylaxis or treatment. Hydroxychloroquine may be secreted in breast milk and may cause side effects in the infant. Plaquenil comes in 200 milligram mg tablets that are taken by mouth. To prevent malaria in adults, two tablets are typically taken once a week, on the same day each week. I take methotrexate injections weekly along with antibotic thereaphy of 200 mg of minocycline. Last week my doc added plaquenil to the mix. I have a pharmacist friend that says it can take up to a year to work, but once its kicks in it can be really good. I suggest you ask your rhuemie for additional help in the meantime.