Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Does hydroxychloroquine interact with potassium Plaquenil and myasthenia gravis Hydroxychloroquine couppn Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Stop taking hydroxychloroquine 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 This phase II trial studies how well hydroxychloroquine works in treating patients with previously treated prostate cancer. Autophagy destroys proteins and other substances in cells and may be used by prostate cancer cells to survive. Hydroxychloroquine, which blocks autophagy, may slow the growth of and possibly kill prostate cancer cells. If you are taking any drugs that can cause a certain type of heartbeat that is not normal prolonged QT interval. There are many drugs that can do this. Ask your doctor or pharmacist if you are not sure. This is not a list of all drugs or health problems that interact with this drug. Hydroxychloroquine may also be used for purposes not listed in this medication guide. Hydroxychloroquine is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Does hydroxychloroquine cause cancer Hydroxychloroquine Oral Route Description and Brand Names., Hydroxychloroquine in Treating Patients With Rising PSA. Hydroxychloroquine myopathyDoes plaquenil cause high cholesterolPlaquenil visual field red stimulusHydroxychloroquine 200 mg tab cost If your child is taking any drugs that can cause a certain type of heartbeat that is not normal prolonged QT interval. There are many drugs that can do this. Ask the doctor or pharmacist if you are not sure. This is not a list of all drugs or health problems that interact with this drug. Hydroxychloroquine - Memorial Sloan Kettering Cancer Center. Hydroxychloroquine Memorial Sloan Kettering Cancer Center. Hydroxychloroquine - Side Effects, Dosage, Interactions - Drugs.. Hydroxychloroquine Plaquenil is a drug that is classified as an anti-malarial drug. Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more. Find patient medical information for Hydroxychloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Summary. Chloroquine is an anti-malarial drug available at pharmacies for people traveling to area with malaria risks. Note based on a RGCC chemosensitivity analysis I have seen at a German clinic, Hydroxychloroquine has been effective in killing the cancer cells of 5 out 7 patients that were tested.