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It is also used to treat discoid or systemic lupus erythematosus and rheumatoid arthritis in patients whose symptoms have not improved with other treatments. This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.
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.
For treatment of acute attacks of malaria in adults, four tablets are usually taken right away, followed by two tablets 6 to 8 hours later and then two tablets on each of the next 2 days. For prevention or treatment of malaria in infants and children, the amount of hydroxychloroquine is based on the child's weight.
Your doctor will calculate this amount and tell you how much hydroxychloroquine your child should receive. For lupus erythematosus, one or two tablets are usually taken once or twice daily. For rheumatoid arthritis, one to three tablets are usually taken once a day.
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.
As the world's health experts race to find treatments -- and eventually, a cure -- for the novel coronavirus, two drugs have jumped to the front of. What is the dosage for chloroquine vs. hydroxychloroquine? What drugs.
Do not take more or less of it or take it more often than prescribed by your doctor. If you are taking hydroxychloroquine for symptoms of rheumatoid arthritis, your symptoms should improve within 6 months.
If your rheumatoid arthritis symptoms do not improve, or if they worsen, stop taking the drug and call your doctor. Once you and your doctor are sure the drug works for you, do not stop taking hydroxychloroquine without talking to your doctor.
Symptoms of rheumatoid arthritis will return if you stop taking hydroxychloroquine. Hydroxychloroquine is used occasionally to treat porphyria cutanea tarda. This is why it takes about three months from starting the drug to see its effect. If you stop taking the drug, it takes about three months to get rid of that which your body has stored.
A very small study in China, which provided almost no details, suggested that COVID patients who were treated with chloroquine had somewhat milder cases — shorter hospital stays — than did those who were not. The Chinese study did not say that survival was better or that taking chloroquine prevented illness. Another very small study in France, with substantial limitations on how it was conducted, also suggested clinical efficacy of hydroxychloroquine.
There is no evidence at present that it is a "game changer. Fortunately, clinical trials are now underway to determine whether or not this drug helps patients with COVID Hydroxychloroquine is not currently approved for use in the treatment of COVID, however, it is listed by the World Health Organization as a drug under investigation for efficacy against the coronavirus.