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. Hydroxychloroquine and ra Class drug plaquenil Hydroxychloroquine rheumatoid arthritis moa Pregnancy ssa hydroxychloroquine Hydroxychloroquine generally is given to adults in doses of 200 mg or 400 mg per day. In some cases, higher doses can be used. Your doctor may gradually increase or decrease your dosage over time to find the right levels for your specific symptoms and needs while having the least amount of negative side effects. I have just been reading that plaquenil can cause insomnia and nightmares which I suffer with. I take my plaquenil with my evening meal. When is the best time to take it? Would it be best in the morning? I also take in the morning thyroxine, omeprazole and co-codamol, would it interfere with any of those if I took it in the morning instead of. The recommended adult dose for rheumatoid arthritis is 400-600 mg daily for 4-12 weeks followed by 200-400 mg daily. Systemic lupus erythematosus is treated with 400 mg once or twice daily for several weeks then 200-400 mg daily. Hydroxychloroquine should be taken with food or milk in order to reduce stomach upset. 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. How to take plaquenil 200 mg Taking Plaquenil for Various Conditions and Treatment Tips, When best time of day to take plaquenil? - LUPUS UK Chloroquine phosphate adverse effects Taking Plaquenil long-term or at high doses may cause irreversible damage to the retina of your eye. Stop taking Plaquenil and call your doctor at once if you have trouble focusing, if you see light streaks or flashes in your vision, or if you notice any swelling or color changes in your eyes. Plaquenil Uses, Dosage & Side Effects -. Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria. RA and Hydroxychloroquine How Effective is it for.. 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. In a small percentage of patients, side effects may require. 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. Plaquenil is also known as a treatment for malaria, a blood-borne parasite spread by mosquitoes in many tropical and sub-tropical environments. Taking Plaquenil. Plaquenil is available in 200 mg oral tablets. The usual dose is between one and two tablets per day 200 to 400 mg per day.