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. Is diarrhea a side effect of hydroxychloroquine Chloroquine pharmacokinetics How much chloroquine phoshate for 300 gqallons How to take plaquenil twice daily HCQ is cleared by the kidneys and thus renal disease increases the risk of toxicity. Therefore, both dosage and screening frequency may need to be adjusted. Tamoxifen use used in breast cancer treatment increases the risk of toxicity approximately 5 fold 8. The mechanism of this linkage is not understood. Jun 13, 2019 Some diseases treated with Plaquenil include Lupus, which causes fever, rashes, skin problems, and other symptoms. Rheumatoid arthritis, a condition that causes pain and swelling in the joints of your hands and feet. Sjögren’s syndrome, which causes dry eyes and dry mouth. Side Effects Nausea, stomach cramps, loss of appetite, diarrhea, dizziness, or headache may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly. Remember. 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. Plaquenil and eye pain The Risk of Retinal Toxicity with Plaquenil, What Is Plaquenil? - American Academy of Ophthalmology Chloroquine phosphate 250 mg malaria Hydroxychloroquine Plaquenil and chloroquine cause ocular toxicity to various parts of the eye such as the cornea, ciliary body, and retina. Chloroquine can also induce cataract formation; however, no reports of hydroxychloroquine and cataract have been reported. This article focuses upon hydroxychloroquine retinopathy. Hydroxychloroquine toxicity - EyeWiki. Plaquenil Oral Uses, Side Effects, Interactions.. Rx Side Effects New Plaquenil Guidelines and More - American.. 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. Jan 24, 2020 Plaquenil and Eye pain - from FDA reports Summary Eye pain is found among people who take Plaquenil, especially for people who are female, 60+ old, have been taking the drug for 10+ years, also take medication Enbrel, and have Pain. Plaquenil-induced toxicity usually will not occur before five years of taking the drug. “Eye damage due to Plaquenil is not common,” he says. “Rarely will anybody who has good vision and minimal symptoms develop loss of central vision or ability to read if annual screening is done and visual are symptoms reported as soon as they occur so the medication can be stopped if toxicity occurs.