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. Spell hydroxychloroquin Malarone chloroquine resistance Hydroxychloroquine hair loss Hydroxychloroquine blurred vision due to Signs of liver problems like dark urine, feeling tired, not hungry, upset stomach or stomach pain, light-colored stools, throwing up, or yellow skin or eyes. Signs of low blood sugar like dizziness, headache, feeling sleepy, feeling weak, shaking, a fast heartbeat, confusion, hunger, or sweating. Seizures. Mood changes. Patients in earlier stages of hydroxychloroquine retinal toxicity usually do not experience symptoms, though the rare patient may note a paracentral scotoma that causes trouble with reading as well as diminished color vision. However, most patients usually notice symptoms only after scotomas have become severe. Hydroxychloroquine sulfate is a white or practically white, crystalline powder, freely soluble in water; practically insoluble in alcohol, chloroform, and in ether. The chemical name for hydroxychloroquine sulfate is 2-4-7-Chloro-4-quinolyl aminopentyl ethylaminoethanol Sulfate 11. 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 urine color Chloroquine Oral Route Side Effects - Mayo Clinic, Hydroxychloroquine-Induced Retinal Toxicity - American Academy of. Corneal pics chloroquine side effectsHydroxychloroquine does it make you feel dizzy Red urine. As with the yellow coloration of normal urine, red urine can range in intensity from a pink lemonade color clear light pink to that of tomato soup active thick bleeding to a deep opaque merlot color liquefying clot. Hematuria, or blood in the urine, is likely the most common cause of red urine. Discoloration, Urine Urine Discoloration. DailyMed - HYDROXYCHLOROQUINE SULFATE tablet. Hydroxychloroquine Oral Route Side Effects - Mayo Clinic. Mar 17, 2019 Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Stop taking this medicine 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 Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine may cause some unwanted effects. 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 Feb 19, 2020 Plaquenil hydroxychloroquine is an antimalarial medication used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus.