It may have both an anti-spirochaete activity and an anti-inflammatory activity, similar to the treatment of rheumatoid arthritis. And caution is required if patients have certain heart conditions, diabetes, psoriasis etc. Reticulocytes chloroquine Plaquenil drug card Can a patinet on plaquenil get the varicella vaccine Hydroxychloroquine Sulfate Warnings. Take with food. Take this medication at least 4 hours before or 4 hours after antacids. Avoid prolonged or excessive exposure to direct and/or artificial sunlight while using this medication. WARNING Keep Out of the Reach of Children. Fatal Poisoning may occur if chewed or swallowed. Hydroxychloroquine sulfate tablets, USP are also indicated for the treatment of discoid and systemic lupus erythematosus, and rheumatoid arthritis. CONTRAINDICATIONS Use of this drug is contraindicated 1 in the presence of retinal or visual field changes attributable to any 4-aminoquinoline compound, 2 in patients with known hypersensitivity to 4-aminoquinoline compounds, and 3 for long-term therapy in children. Hydroxychloroquine Pregnancy Warnings Animal studies have revealed evidence of fetal harm. Use of chloroquine and other 4-aminoquinolines in high doses and for prolonged durations has been associated with neurological disturbances and interference with hearing, balance, and vision in the fetus. The most serious adverse effects affect the eye, with dose-related retinopathy as a concern even after hydroxychloroquine use is discontinued. The most common adverse effects are a mild nausea and occasional stomach cramps with mild diarrhea. Hydroxychloroquine sulfate pregnancy Precautions and Warnings With Hydroxychloroquine, Hydroxychloroquine Sulfate Tablets, USP 200 mg* Who makes the drug plaquenil Hydroxychloroquine is used to treat malaria. It is also used to prevent malaria infection in areas or regions where it is known that other medicines eg, chloroquine may not work. Hydroxychloroquine belongs to a group of medicines known as antimalarials. It works by preventing or treating malaria, a red blood cell infection transmitted by the. Hydroxychloroquine Oral Route Description and Brand.. Hydroxychloroquine Use During Pregnancy. HYDROXYCHLOROQUINE SULFATE Drug BNF content published.. Hydroxychloroquine should be used during pregnancy and lactation only if the benefit justifies the potential perinatal risk. The additional risk imposed by hydroxychloroquine on pregnancy appears modest, and the drug should not be withheld when necessary. Find patient medical information for Hydroxychloroquine Sulfate Bulk on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Hydroxychloroquine should only be used in pregnant women for malaria prophylaxis or treatment. Hydroxychloroquine may be secreted in breast milk and may cause side effects in the infant.