Hydroxychloroquine is available as the brand-name drug Plaquenil. Generic drugs usually cost less than the brand-name version. Hydroxychloroquine may be used as part of a combination therapy. Plaquenil price increase Hydroxychloroquine blurry vision Apr 10, 2019 Plaquenil overdose must be treated quickly. You may be told to induce vomiting right away at home, before transport to an emergency room. Ask the poison control center how to induce vomiting in the case of an overdose. Overdose symptoms may include drowsiness, vision changes, slow heart rate, chest pain. Many systemic medications may cause retinal toxicity. 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. The usual starting dose of Plaquenil is 200 mg twice a day or 400 mg once a day, administered orally, in people weighing 80 kg or more. The usual dosage works for most people who take Plaquenil, but it is possible to increase or decrease the dose based on individual needs. It's important to watch for possible side effects and toxicity. Hydroxychloroquine is used to treat lupus erythematosus and rheumatoid arthritis. It isn’t fully understood how this drug works to treat lupus erythematosus or rheumatoid arthritis. That means you may need to take it with other drugs. It treats malaria by killing the parasites that cause the disease. Plaquenil overdose Hydroxychloroquine - Wikipedia, Hydroxychloroquine-Induced Retinal Toxicity - American. How long can you take plaquenil for raPlaquenil for urticariaPlaquenil tbHydroxychloroquine kidney damageActavis pharma plaquenil Overdose symptoms may include Headache. Drowsiness. Vision changes. Slow heart rate. Chest pain or heavy feeling. Pain spreading to the arm or shoulder. Nausea. Sweating. Seizure. Shallow breathing. Breathing that stops. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Taking Plaquenil for Rheumatoid Arthritis. Retinal toxicity associated with chronic exposure to.. How to use Plaquenil. Hydroxychloroquine is usually taken with food or milk to prevent stomach upset. The dosage and length of treatment are based on your medical condition and response to therapy. In children, dosage is also based on weight. Jun 30, 2015 Plaquenil Overdose Back to Top If you take too much Plaquenil, call your healthcare provider or local Poison Control Center, or seek emergency medical attention right away. Irreversible retinal damage observed in some patients who had received hydroxychloroquine sulfate; significant risk factors for retinal damage include daily doses of hydroxychloroquine sulfate greater than 6.5 mg/kg 5 mg/kg base of actual body weight, durations of use greater than five years, subnormal glomerular filtration.