Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Hydroxychloroquine anesthesia How does plaquenil affect vision Plaquenil 200 mg oral tablet I was put on Plaquenil three weeks ago, 400 mg once a day. About a week into it, I started feeling nauseated, lightheaded, dizzy, extremely gassy blush shaky, and had a burning pain in the pit of my stomach. I called my rheumy and she said to stop it for now, wait a bit and then start it again to see what happens. Plaquenil Dosage for Malaria Treatment. For adults, the recommended dose for malaria treatment is 800 mg for the first dose, followed by 400 mg for the second dose six to eight hours later, then followed by 400 mg per day for the next two days. Alternatively, a single 800 mg dose may also be effective. The recommended hydroxychloroquine dosage for rheumatoid arthritis is 400 mg to 600 mg a day by mouth as a single dose or divided into two separate doses. However, once a good response is being maintained with hydroxychloroquine, doses may be reduced to 200 mg to 400 mg per day for maintenance. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Hydroxychloroquine is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil 400 mg once a day Plaquenil Hydroxychloroquine - Side Effects, Dosage., Taking Plaquenil for Various Conditions and Treatment Tips Plaquenil for erythema nodosumChloroquine phosphate where to buyChloroquine weak baseHydroxychloroquine macular toxicityPlaquenil rash and itching The recommended initial dosage of hydroxychloroquine Plaquenil for the treatment of lupus erythematosus is 400 mg once or twice daily. The recommended maintenance dose range of hydroxychloroquine Plaquenil for the treatment of lupus erythematosus is 200 to 400 mg daily. Plaquenil - Side Effects, Uses, Dosage, Overdose.. Hydroxychloroquine Plaquenil Success, Reviews and Side.. Hydroxychloroquine Dosage Guide with Precautions -. Initial dose 400 mg 310 mg base orally once or twice a day for several weeks or months, depending on patient response Maintenance dose 200 to 400 mg 155 to 310 mg base orally once a day Each dose should be taken with a meal or a glass of milk. Usual Pediatric Dose for Malaria Treatment of the acute attack 1 year or older First dose 10 mg base/kg One Plaquenil tablet contains 200 mg of hydroxychloroquine sulfate, which is equivalent to 155 mg base. Take Plaquenil with a meal or a glass of milk. Malaria. Prophylaxis Adults 400 mg 310 mg base once weekly on the same day of each week starting 2 weeks prior to exposure, and continued for 4 weeks after leaving the endemic area. Adults—200 to 400 milligrams mg taken as a single dose or in two divided doses once a day. However, dose is usually not more than 400 mg once a day. Children—Use and dose must be determined by your doctor.