Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Dosage of plaquenil for lichen planopilaris Plaquenil pill side effect Generally, hydroxychloroquine is given in 200 mg or 400 mg doses, once per day. Higher doses can sometimes be used, but only in adults and not for all cases. Dosing is usually much lower in children and infants depending on their body weight, usually 5 mg, calculated as base, per kilogram kg of body weight one 200 mg tablet = 155 mg base. Child. Typical maintenance dosage 200–400 mg per day, given as a single daily dose or in two divided doses. Maximum dosage 400 mg per day. Child dosage ages 0–17 years Hydroxychloroquine may also be used for purposes not listed in this medication guide. Hydroxychloroquine is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Hydroxychloroquine dosage 200 mg Hydroxychloroquine Sulfate Tablets, USP 200 mg Rx only, Plaquenil Hydroxychloroquine - Side Effects, Dosage. What is hydroxychloroquine sulfate used to treat Feb 19, 2020 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. Plaquenil Hydroxychloroquine Side effects, Images, Uses.. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Hydroxychloroquine 200 mg Tablets Generic Plaquenil. Hydroxychloroquine may cause some people to be agitated, irritable, or display other abnormal behaviors. It may also cause some people to have suicidal thoughts and tendencies, or to become more depressed. If you or your caregiver notice any of these side effects, tell your doctor right away. This medicine may cause hypoglycemia low blood sugar. Hydroxychloroquine Oral tablet 200mg Drug Medication Dosage information. Learn about the reported side effects, related class drugs, and how these medications will affect your daily lifestyle. Visit for more details. Hydroxychloroquine is usually taken with food or milk to prevent stomach upset. The dosage and length of treatment are based on your medical condition and response to therapy. In children, dosage.