Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. Chloroquine overdose amount Chloroquine and cancer stem cells Can plaquenil cause numbness in tail bone area and legs Hydroxychloroquine is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. 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. Rated Hydroxychloroquine for Rheumatoid Arthritis Report i started on 400 mg of hydroxychloroquine 400 mg daily along with prednisone 10mg daily 9 weeks ago. The GI upset started after a short time. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Hydroxy chloroquine 400 mg RA and Hydroxychloroquine How Effective is it for., Plaquenil - FDA prescribing information, side effects and uses Half life of plaquenilHow effective is plaquenil for lupusPlaquenil price ukTylenol plaquenil The recommended adult dose for rheumatoid arthritis is 400-600 mg daily for 4-12 weeks followed by 200-400 mg daily. Systemic lupus erythematosus is treated with 400 mg once or twice daily for several weeks then 200-400 mg daily. Hydroxychloroquine should be taken with food or milk in order to reduce stomach upset. Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria. Hydroxychloroquine Reviews Everyday Health. Hydroxychloroquine Plaquenil Side Effects & Dosage for.. Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine Then, 6.5 mg per kg of body weight taken 6 hours, 24 hours, and 48 hours after the first dose. However, dose is usually not more than 800 mg for the first dose and not more than 400 mg for the next doses. For treatment of arthritis Adults—At first, 400 to 600 milligrams mg taken as a single dose or in two divided doses once a day. Hydroxychloroquine 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.