It may have both an anti-spirochaete activity and an anti-inflammatory activity, similar to the treatment of rheumatoid arthritis. And caution is required if patients have certain heart conditions, diabetes, psoriasis etc. Can you just stop taking plaquenil Chloroquine other names 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. Hydroxychloroquine increases the QT interval and should not be administered with other drugs known to prolong the QT interval. Ventricular arrhythmias and torsade de pointes TdP have been reported with the use of hydroxychloroquine. Clarithromycin is associated with an established risk for QT prolongation and TdP. Hydroxychloroquine is a DMARD. The brand name is Plaquenil. What does Plaquenil do? Plaquenil relieves pain and swelling and prevents damage to joints. How long does Plaquenil take to work? Plaquenil works very slowly. In 1 to 3 months you should start to feel better. You may continue to get better for up to 1 year. For prolonged treatment of lupus or arthritis, adverse effects include the acute symptoms, plus altered eye pigmentation, acne, anaemia, bleaching of hair, blisters in mouth and eyes, blood disorders, convulsions, vision difficulties, diminished reflexes, emotional changes, excessive coloring of the skin, hearing loss, hives, itching, liver problems or liver failure, loss of hair, muscle paralysis, weakness or atrophy, nightmares, psoriasis, reading difficulties, tinnitus, skin inflammation and scaling, skin rash, vertigo, weight loss, and occasionally urinary incontinence. The most common adverse effects are a mild nausea and occasional stomach cramps with mild diarrhea. For short-term treatment of acute malaria, adverse effects can include abdominal cramps, diarrhea, heart problems, reduced appetite, headache, nausea and vomiting. Plaquenil vs hydroxychloroquine Plaquenil Hydroxychloroquine - Side Effects, Dosage, Interactions - Drugs, Plaquenil hydroxychloroquine sulfate dose, indications. What drug is similiar to plaquenil Chloroquine and hydroxychloroquine both belong to the quinolone family and share similar clinical indications and side effects, including retinal toxicity. Chloroquine-induced retinal toxicity was first described in 1959 and the retinal toxic effects of hydroxychloroquine were later described in 1967 3, 4. Hydroxychloroquine Plaquenil Toxicity and Recommendations.. Lupus Medicines Hydroxychloroquine - Brigham and Women's.. Hydroxychloroquine vs Placebo for Patients With.. Hydroxychloroquine is used to treat malaria. It is also used to prevent malaria infection in areas or regions where it is known that other medicines eg, chloroquine may not work. Hydroxychloroquine belongs to a group of medicines known as antimalarials. It works by preventing or treating malaria. What is Plaquenil? Plaquenil has active ingredients of hydroxychloroquine sulfate. It is often used in systemic lupus erythematosus. Check the latest outcomes from 50,877 Plaquenil users, or browse all drugs. What is Naproxen? Naproxen has active ingredients of naproxen. It is often used in pain. Hydroxychloroquine and chloroquine are medications traditionally prescribed to prevent or treat malaria infections. In certain countries and parts of the world where malaria is still present, a person can easily catch malaria from a seemingly insignificant mosquito bite.