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 500 mg side effects Maximum dosage of plaquenil Side effects of hydroxychloroquine win 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. Indicates that you can expect to see some results after a month or two of taking hydroxychloroquine, but in order to get the full benefits you will need to take the medication for at least six months. That can help you realize how much benefit you’re going to actually get from the drug. Hydroxychloroquine HCQ, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine-sensitive malaria. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. It is taken by mouth. 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 Who Is at Risk for Vision Loss with Plaquenil? - American., RA and Hydroxychloroquine How Effective is it for Rheumatoid. How is drug chloroquine administeredWhat is plaquenil medicineRoyal college of ophthalmologists hydroxychloroquinePlaquenil warnings 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. Plaquenil Oral Interactions with Other Medication. Hydroxychloroquine - Wikipedia. Plaquenil - Side Effects, Uses, Dosage, Overdose, Pregnancy.. Adult dosing ranges from 200 mg or 400 mg per day 6.5mg/kg. In some cases, higher doses can be used. It is recommended one tablet twice daily if taking more than one tablet. It is recommended to be taken with food. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so. The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses. WebMD provides information about which foods to avoid while taking Plaquenil Oral.