The 5-nitroimidazoles are more effective in the latter context, but when they are not available it is justifiable to use chloroquine instead. Chloroquine is more frequently used as an adjunct to dehydroemetine in the treatment of hepatic abscess. Plaquenil crp Can plaquenil and metoprolol tartrate be taken together CHLOROQUINE PHOSPHATE, USP For Malaria and Extraintestinal Amebiasis DESCRIPTION ARALEN, chloroquine phosphate, USP, is a 4-aminoquinoline compound for oral administration. It is a white, odorless, bitter tasting, crystalline substance, freely soluble in water. ARALEN is an antimalarial and amebicidal drug. Chloroquine phosphate is in a class of drugs called antimalarials and amebicides. It is used to prevent and treat malaria. It is also used to treat amebiasis. This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information. Teva-Chloroquine Chloroquine belongs to the class of medications called antimalarials. This medication is used to treat and prevent attacks of malaria. It works by killing malaria parasites, most likely by damaging their DNA genetic material. This medication is also used to treat another condition caused by parasites known as extraintestinal amebiasis. Absorption from the gastrointestinal tract is efficient and peak plasma concentrations occur within 2-3 hours. It is claimed to increase the prospect of cure during the first course of treatment. Medication likely administered with chloroquine for amebiasis CHLOROQUINE PHOSPHATE TABLETS, USP 250 MG and 500 MG, Chloroquine MedlinePlus Drug Information Perforin ctll-2 chloroquinePlaquenil 200mg reviews Aralen Dosage and Administration. The dosage of chloroquine phosphate is often expressed in terms of equivalent chloroquine base. Each 500 mg tablet of Aralen contains the equivalent of 300 mg chloroquine base. In infants and children the dosage is preferably calculated by body weight. Malaria Aralen - FDA prescribing information, side effects and uses. Teva-Chloroquine - Uses, Side Effects, Interactions -. Chloroquine - Prescription Drug Information.. B. Taking the medication for 2 weeks before the trip and for 4 to 6 weeks after the trip. A client has been diagnosed with an amebiasis infection, and the primary health care provider has prescribed metronidazole. The client is also taking warfarin for blood clotting. The drug and its metabolites can be detected in the plasma for up to 2 months and in the urine for up to 4 months after a single dose. Treatment of amoebic hepatic abscess, as an adjunct to therapy with dehydroemetine. Adults 600 mg base daily for 2 days, followed by 300 mg base daily for at least 2-3 weeks. Tinidazole has been approved by the US Food and Drug Administration FDA for intestinal or extraintestinal amebiasis. Other nitroimidazoles with longer half-lives ie, secnidazole and ornidazole are currently unavailable in the United States.