Plaquenil 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, and Southern Asia. Chloroquine molecular formula Substitutes for plaquenil Hello all, I am currently new to this site and ran across the discussion about stopping Plaquenil. I have been taking Plaquenil for about 8-9 months and thought that it was not helping me because I still have a fair amount of joint pain, fatigue, muscle pain and so many other issues. 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. Swallow the tablet whole. Do not crush, break, or chew it. Take this medicine with meals or milk to lessen stomach upset, unless otherwise directed by your doctor. Keep using this medicine for the full treatment time, even if you feel better after the first few doses. Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. Hydroxychloroquine how to take Plaquenil Hydroxychloroquine - Side Effects, Dosage., Hydroxychloroquine MedlinePlus Drug Information Chloroquine route of administrationDifference between primaquine and chloroquineChloroquine hydroxychloroquinePara que sirve el plaquenil 200 mg When should I take hydroxychloroquine? You should take hydroxychloroquine with or immediately after food. What dose should I take? Your doctor will advise you about this. Usually you will be started on a full dose for example, 400 mg daily or 2 tablets of 200mg hydroxychloroquine and later your doctor may reduce the dose for example, to 200 mg daily of hydroxychloroquine. Hydroxychloroquine Skin Support. Hydroxychloroquine Oral Route Proper Use - Mayo Clinic. Hydroxychloroquine Plaquenil Side Effects & Dosage for.. Mar 17, 2019 To treat malaria Hydroxychloroquine is usually given for 3 days, starting with one high dose followed by a smaller dose during the next 2 days in a row. Take this medicine for the full prescribed length of time for malaria. Your symptoms may improve before the infection is completely cleared. Important considerations for taking hydroxychloroquine General. You can cut or crush this oral tablet. Take each tablet with a meal or a glass of milk. Storage. Store this medication at room temperature up to 86°F 30°C. Refills. A prescription for this medication is refillable. Travel. Always. What is the dosage for Hydroxychloroquine? The usual adult dose for treating malaria is 800 mg initially, followed by 400 mg 6-8 hours later and then 400 mg at 24 hours and 48 hours. The dose for malaria prevention is 400 mg every week starting 1 or 2 weeks before exposure and for 4 weeks after leaving the high risk area.