Chloroquine is now uncommonly used in favor of its derivative hydroxychloroquine. In the United States, hydroxychloroquine is most often used for its anti-inflammatory effects in rheumatology and dermatology. Plaquenil retinopathy treatment Hydroxychloroquine 200 mg twice a day Cetirizine Zyrtec and others, an antihistamine, can cause pupillary changes, blurred vision and keratoconjunctivitis sicca. Of nine cases reported to the Registry, eight involved children. Erectile dysfunction drugs cause a range of side effects that are common, dosage-dependent and, thus far. 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 was approved for medical use in the United States in 1955. Plaquenil hydroxychloroquine is in a class of drugs called disease-modifying anti-rheumatic drugs, which are used to decrease inflammation, pain and joint damage. While today it is used to treat autoimmune conditions, such as rheumatoid arthritis and lupus, it was originally used as an anti-malaria drug. While early toxicity may be asymtomatic, patients with more advanced stage of toxicity may complain of color vision changes or paracentral scotomas. Its toxic effects on the retina are seen in the macula. Hydroxychloroquine vision side effects Hydroxychloroquine Plaquenil, Hydroxychloroquine - Wikipedia Synthesis of chloroquine slideshareRandomized controlled trial hydroxychloroquine sjogrenSd oct plaquenil Rheumatoid Arthritis. The action of hydroxychloroquine is cumulative and may require weeks to months to achieve the maximum therapeutic effect see CLINICAL PHARMACOLOGY. Initial adult dosage 400 mg to 600 mg 310 to 465 mg base daily, administered as a single daily dose or in two divided doses. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. Plaquenil Side Effects on Your Eyes and Vision. Plaquenil Side Effects Common, Severe, Long Term -. Nov 09, 2018 Common side effects may include headache, dizziness, ringing in your ears; nausea, vomiting, stomach pain; loss of appetite, weight loss; mood changes, feeling nervous or irritable; skin rash or itching; or. hair loss. Find information about common, infrequent and rare side effects of Hydroxychloroquine Oral. Hydroxychloroquine side effects may vary greatly from very mild side effects that go away with time to severe side effects like eye damage, ear damage, or heart problems. Some side effects may be experienced as the body adjusts to hydroxychloroquine but may diminish as the body becomes used to the drug.