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. Plaquenil for arthritis pain Plaquenil et depression Hydroxychloroquine is commonly used alongside other disease-modifying drugs including methotrexate – especially for rheumatoid arthritis. However, some drugs can interact with hydroxychloroquine. Indigestion remedies for example, antacids including some over-the-counter preparations can stop hydroxychloroquine being absorbed. Hydroxychloroquine is usually taken with food or milk to prevent stomach upset. The dosage and length of treatment are based on your medical condition and response to therapy. In children, dosage. Mar 17, 2019 When treating lupus or arthritis, hydroxychloroquine is usually given daily for several weeks or months. For best results, keep using the medication as directed. Talk with your doctor if your symptoms do not improve after 6 months of treatment. While using hydroxychloroquine. 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 information booklet - Versus Arthritis, Hydroxychloroquine Oral Uses, Side Effects, Interactions. Plaquenil and alcohol side effectsProphylaxis of malaria chloroquineCan plaquenil cause loss of hearing This is difficult to demonstrate since blood levels of most of our medications are not available. We used vitamin D levels as a surrogate marker for other medications although hydroxychloroquine can influence Vitamin D metabolism42, 43. There was a strong correlation between increasing vitamin D levels and blood hydroxychloroquine levels. Hydroxychloroquine Blood Levels in SLE Clarifying dosing.. Hydroxychloroquine Uses, Dosage & Side Effects -. Hydroxychloroquine Indications, Side Effects. -. 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. 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. This is more common when this medicine is taken together with certain medicines. Low blood sugar must be treated before it causes you to pass out unconsciousness. People feel different symptoms of low blood sugar. It is important that you learn which symptoms you usually have so you can treat it quickly.