| http://www.w3.org/ns/prov#value | - , hearing problems, porphyria or other blood disorders, psoriasis, vision changes, weakness in your knees and ankles, or if you drink large amounts of alcohol.tell your doctor if you have ever had vision changes while taking chloroquine phosphate, chloroquine hydrochloride (Aralen HCl), or hydroxychloroquine (Plaquenil).tell your doctor if you are pregnant or plan to become pregnant.
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