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. Hydroxychloroquine effects on taste Buy chloroquine and proguanil Check with your doctor immediately if any of the following side effects occur Incidence not known. Blistering, peeling, loosening of the skin blurred vision or other vision changes chest discomfort, pain, or tightness cough or hoarseness dark urine decreased urination defective color vision diarrhea difficulty breathing Side effects include irritability, headache, weakness, hair lightening or loss, stomach upset, nausea, dizziness, muscle pain, rash and itching. Rarely, hydroxychloroquine can affect the bone marrow leading to reduced white blood cells leukopenia or platelets thrombocytopenia and abnormal red blood cells. Rare but potentially serious eye toxicity can occur. Retinal toxicity from hydroxychloroquine is rare, but even if the medication is discontinued, vision loss may be irreversible and may continue to progress. It is imperative that patients and physicians are aware of and watch for this drug’s ocular 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. Hydroxychloroquine side effects medbullets Rx Side Effects New Plaquenil Guidelines and More - American., Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria Hydroxychloroquine tablets ip 200 mg usesHydroxychloroquine cancerQuinacrine and hydroxychloroquine lupus profundusPlaquenil and antiplatelet drugs Common side effects include vomiting, headache, changes in vision and muscle weakness. Severe side effects may include allergic reactions. It does not appear to be safe during pregnancy. Hydroxychloroquine is in the antimalarial and 4-aminoquinoline families of medication. Hydroxychloroquine - Wikipedia. Hydroxychloroquine-Induced Retinal Toxicity - American.. Hydroxychloroquine By mouth - National Library of Medicine.. Hydroxychloroquine typically is very well tolerated. Serious side effects are rare. The most common side effects are nausea and diarrhea, which often improve with time. Less common side effects include rash, changes in skin pigment such as darkening or dark spots, hair changes, and muscle weakness. Rarely, hydroxychloroquine can lead to anemia in Generic Plaquenil. HYDROXYCHLOROQUINE is used to treat rheumatoid arthritis and systemic lupus erythematosus. It is also used to treat malaria. The lowest GoodRx price for the most common version of hydroxychloroquine is around $18.60, 90% off the average retail price of $196.17. The prescribing physician counsels the patients on the possible side effects including weight gain, hirsutism, and skin changes. The physician goes on to state that corticosteroids can also cause a number of changes on the patients laboratory studies.