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. What does hydroxychloroquine do Hydroxychloroquine can it shrink spleen Hydroxychloroquine doesn’t work immediately. It may be 12 weeks or longer before you notice any benefit. Because it's a long-term treatment it's important to keep taking hydroxychloroquine unless you have severe side-effects even if it doesn't seem to be working at first; even when your symptoms improve to help keep the disease under. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. You may report side effects to FDA at 1-800-FDA-1088. Back to Top. Chloroquine Aralen is used for preventing and treating malaria and amebiasis, an infection of the intestines caused by a parasite. Chloroquine Aralen - Side Effects, Dosage, Interactions. 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. Chloroquine long term side effects Chloroquine Uses, Side Effects, Dosage & Interactions, Hydroxychloroquine - Side Effects, Dosage, Interactions. Long term effects hydroxychloroquinePlaquenil side effectsItching after taking chloroquineChloroquine resistance indiaStopping plaquenil for ra Some side effects of chloroquine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Chloroquine Side Effects Common, Severe, Long Term.. Chloroquine Aralen - Side Effects, Dosage, Interactions.. Common and Rare Side Effects for Primaquine Oral. There is rational, pre-clinical evidence of effectiveness and evidence of safety from long-term clinical use for other indications to justify clinical research on chloroquine in patients with. The drug chloroquine has long been used to treat malaria, but it is not without side effects. Chloroquine kills malaria by causing the pH in certain parts of the parasite's cell to increase. Our Aralen chloroquine phosphate Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.