Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. Chloroquine off label use Chloroquine cyanide These medications are not usually taken together. Consult your healthcare professional e.g. doctor or pharmacist for more in formation. HYDROXYCHLOROQUINE/QT PROLONGING AGENTS Other drugs can have the same effect. What might happen Taking hydroxychloroquine with other agents that can affect your heart rhythm may increase your risk of irregular heartbeat, which may be. Sep 13, 2019 Some side effects of hydroxychloroquine 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. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Can hydroxychloroquine be taken with cholesterol-lowering medications Hydroxychloroquine Side Effects, Dosage, Uses, and More, Drugs & Medications - WebMD Chloroquine phosphate reef central Some people taking this medication over long periods of time or at high doses have developed irreversible damage to the retina of the 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. Hydroxychloroquine - CardioSmart. Hydroxychloroquine Side Effects -. What can Hydroxychloroquine Plaquenil do to my eyes?. May 24, 2019 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 hydroxychloroquine. Tell your doctor and pharmacist about all of your drugs prescription or OTC, natural products. The mechanism is unknown. Combining telbivudine Tyzeka and hydroxychloroquine may increase the risk of unexplained muscle pain, tenderness, or weakness because both drugs cause such side effects. Hydroxychloroquine suppresses the immune system and should not be combined with drugs that also suppress the immune system or live vaccines. Fortunately, the problems seen by people taking this medication are usually very mild. Serious side effects are rare. Overall, most people who have any noticeable side effects from hydroxychloroquine experience diarrhea or nausea. These usually get better after the person adjusts to the medication, and taking the drug with food can help, as well.