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. Drug interaction of allopurinol and plaquenil Plaquenil-induced macular degeneration O hydroxychloroquine Hydroxychloroquine Sulfate Tablets are White, Round Tablets; Embossed “WW28″. Each tablet contains 200 mg hydroxychloroquine sulfate equivalent to 155 mg base. Bottles of 100 tablets. Dispense in a tight, light-resistant container as defined in the USP using a child-resistant closure. Hydroxychloroquine HCQ, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine sensitive malaria. Feb 19, 2020 Rheumatoid Arthritis. The action of hydroxychloroquine is cumulative and may require weeks to months to achieve the maximum therapeutic effect see CLINICAL PHARMACOLOGY. Initial adult dosage 400 mg to 600 mg 310 to 465 mg base daily, administered as a single daily dose or in two divided doses. 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 25mg Hydroxychloroquine - Side Effects, Dosage, Interactions., Hydroxychloroquine Uses, Dosage, How to Take, Side Effects. Hydroxychloroquine urticarial vasculitis Safety and efficacy of hydroxychloroquine to treat lupus and arthritis have not been established in children. Geriatric. Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of hydroxychloroquine in the elderly. Hydroxychloroquine Oral Route Before Using - Mayo Clinic. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. Stability of Extemporaneously Prepared Hydroxychloroquine.. Tomar hydroxychloroquine a largo plazo o en dosis elevadas puede causar daño irreversible a la retina de su ojo. Deje de tomar hydroxychloroquine y llame de inmediato a su médico si usted tiene dificultad para enfocar, si nota rayas de luz o estrellas en su visión, o si nota hinchazón o cambio de color en sus ojos. Hydroxychloroquine is used for its effect on systemic lupus erythematosus SLE disease activity and long-term benefits. This can be limited by adherence. One way to assess adherence is to measure blood levels. Conflicting data exist regarding blood levels. Hydroxychloroquine is used to treat lupus erythematosus and rheumatoid arthritis. It’s also used to prevent and treat malaria. How it works. Hydroxychloroquine is an antimalarial drug.