Although their therapeutic and toxic doses differ, they are related drugs with similar clinical indications for use and similar manifestations of retinal toxicity. The image below depicts hydroxychloroquine retinopathy. Fluorescein angiogram of left macula in patient with hydroxychloroquine retinopathy. Plaquenil and radiotherapy Plaquenil increase liver enzymes Plaquenil for sarcoidosis Do not share your drugs with others and do not take anyone else's drugs. Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about chloroquine, please talk with your doctor, nurse, pharmacist, or other health care provider. Do not take extra medicine to make up the missed dose. What happens if I overdose? Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. An overdose of hydroxychloroquine can be fatal, especially in children. Hydroxychloroquine overdose must be treated quickly. The drug, chloroquine, is a medication used to prevent and to treat malaria, as well as a type of liver infection. It was first used to treat malaria in 1944. Retinopathy may be asymptomatic or may cause central or paracentral scotomas leading to difficulty reading or performing fine visual tasks (due to parafoveal metamorphopsia). Reprinted from American Journal of Ophthalmology, Vol 104, Johnson and Vine, Hydroxychloroquine therapy in massive total doses without retinal toxicity, pages 139-144, Copyright 1987, with permission from Elsevier Science. What family of drugs does chloroquine belong to Chloroquine, an old malaria drug, may help treat novel coronavirus., Hydroxychloroquine Uses, Dosage & Side Effects - Dress syndrome hydroxychloroquinePlaquenil side effects depressionPlaquenil build upCutaneous hyperpigmentation during therapy with hydroxychloroquineTerrien's marginal degeneration plaquenil Description and Brand Names. Drug information provided by IBM Micromedex US Brand Name. Plaquenil; Descriptions. 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 Oral Route Description and Brand.. Coronavirus What is chloroquine and can the 1940s drug.. Coronavirus Scientists could repurpose drugs to treat infection. Chloroquine belongs to a group of medicines known as antimalarials. It works by preventing or treating malaria, a red blood cell infection transmitted by the bite of a mosquito. However, this medicine is not used to treat severe or complicated malaria and to prevent malaria in areas or regions where chloroquine is known not to work resistance. What is the drug of choice for acute attacks of malaria caused by chloroquine-sensitive strains of P. falciparum and P. vivax? Chloroquine Does chloroquine have a large or small Vd? In some cases, you may need to take a different medication such as primaquine to kill the malaria parasites living in other body tissues. Both drugs may be needed for a complete cure and to prevent the return of infection relapse. Chloroquine belongs to a class of drugs known as antimalarials.