This medicine is also sometimes given off-label to help the following conditions: Also, let your doctor know if you drink large amounts of alcohol before starting on this medicine. Your doctor will probably want to order frequent tests to check your body's response to chloroquine. Hydroxychloroquine dose for rheumatoid arthritis Hydroxychloroquine uses Plaquenil davis Chloroquine po 300 mg daily Chloroquine can cause serious, sometimes permanent, damage to the retina of the eye. This problem is more likely to occur in people who take the drug for a long period, or who take high doses. If you will be taking chloroquine for an extended time, you will need a thorough eye exam before starting it and periodically while taking it. Information about its use for the prevention of malaria infection associated with travel. Center for Global Health Division of Parasitic Diseases and Malaria. Who can take chloroquine? Chloroquine can be prescribed to adults and children of all ages. It can also be safely taken by pregnant. women and nursing mothers. Who should not take. Read all information given to you. Follow all instructions closely. Take with or without food. Take with food if it causes an upset stomach. Be sure you know how to take chloroquine. Talk with your doctor if you have questions. Keep taking chloroquine as you have been told by your doctor or other health care provider, even if you feel well. Let your healthcare provider know if your symptoms either don't improve or worsen while taking this medicine. Keep all appointments with your doctor and laboratory. Instructions for taking chloroquine Hydroxychloroquine Oral Uses, Side Effects, Interactions., Medicines for the Prevention of Malaria While Traveling - Chloroquine. How long plaquenil after positive ana Apr 02, 2019 Taking chloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Stop taking this medicine and call your doctor at once if you have trouble focusing, if you see light streaks or flashes in your vision, or if you notice any swelling or color changes in your eyes. Call your doctor at once if you have Aralen Chloroquine Side effects, Images, Uses, Dosage.. Chloroquine Indications, Side Effects, Warnings -. Medicines for the Prevention of Malaria While Traveling.. Chloroquine enters the red blood cell by simple diffusion, inhibiting the parasite cell and digestive vacuole. Chloroquine then becomes protonated to CQ2+, as the digestive vacuole is known to be acidic pH 4.7; chloroquine then cannot leave by diffusion. Find patient medical information for Chloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Important information. Taking Plaquenil long-term or at high doses may cause irreversible damage to the retina of your eye. Stop taking Plaquenil and call your doctor at once if you have trouble focusing, if you see light streaks or flashes in your vision, or if you notice any swelling or color changes in your eyes.