One such commonly used medication for dermatologic and rheumatologic inflammatory conditions is hydroxychloroquine (Plaquenil), a chloroquine derivative. It is used to treat many diseases including malaria, rheumatoid arthritis and systemic lupus erythematosus. Symptoms of allergic reaction to plaquenil Ototoxicity chloroquine Lose weight after plaquenil Prophylaxis for international travel to chloroquine resistant area One of the most serious side effects is a toxicity in the eye generally with chronic use. People taking 400 mg of hydroxychloroquine or less per day generally have a negligible risk of macular toxicity, whereas the risk begins to go up when a person takes the medication over 5 years or has a cumulative dose of more than 1000 grams. 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. For Treatment of Acute Attack. Adults An initial dose of 1 g = 600 mg base followed by an additional 500 mg = 300 mg base after six to eight hours and a single dose of 500 mg = 300 mg base on each of two consecutive days. This represents a total dose of 2.5 g chloroquine phosphate or 1.5 g base in three days. It is imperative that patients and physicians are aware of and watch for this drug’s ocular side effects. Retinal toxicity from hydroxychloroquine is rare, but even if the medication is discontinued, vision loss may be irreversible and may continue to progress. Chloroquine side effects eye Chloroquine Side Effects Common, Severe, Long Term., Hydroxychloroquine-Induced Retinal Toxicity - American. Chloroquine malaria tablets cost Jan 05, 2020 Hydroxychloroquine is a well tolerated medication for various rheumatologic and dermatologic conditions. Its main side effects are gastrointestinal upset, skin rash, headache, and ocular toxicity. Within the eye, hydroxychloroquine negatively impacts the cornea, ciliary body, and retina. Hydroxychloroquine toxicity - EyeWiki. Aralen Chloroquine Uses, Dosage, Side Effects.. Chloroquine or Hydroxychloroquine Plaquenil and. - Total Eye. Find information about common, infrequent and rare side effects of Chloroquine Oral. A severe eye problem has happened with chloroquine. This may lead to lasting eyesight problems. The risk may be higher if you have some types of eye or kidney problems. The risk may also be higher with some doses of chloroquine, if you use chloroquine for longer than 5 years, or if you take certain other drugs like tamoxifen. Aralen chloroquine is an antimalarial drug used for the treatment of malaria and extraintestinal amebiasis. Common side effects are reduced hearing, tinnitus, nausea, vomiting, and diarrhea. Dosage, drug interactions, and pregnancy and breastfeeding safety are provided.