Plaquenil is also known as a treatment for malaria, a blood-borne parasite spread by mosquitoes in many tropical and sub-tropical environments. The usual dose is between one and two tablets per day (200 to 400 mg per day). When Plaquenil works, most patients start to feel improvement after 8-12 weeks. When patients start Plaquenil, doctors usually have them try it for 3 months before they assess the patient to determine if it is working. Can you have alcohol while taking plaquenil Chloroquine generic brand Chloroquine schizonts Does hydroxychloroquine cause health problems Because early toxicity changes can be revealed on SD-OCT, it is prudent to perform a baseline screening of patients taking Plaquenil. Multifocal ERG has the ability to detect early macular dysfunction, so it should be included as part of baseline screening. A maximum daily dose of Plaquenil of 5.0mg/kg real weight is recommended. Notify your eye doctor when you are on this medication so regular visual screening tests can be performed. If you are pregnant, considering becoming pregnant, or lactating, please discuss this with your doctor before taking this medication. However, hydroxycholorquine has been shown to be safe during pregnancy and breast feeding. Important Tests and Risks. Plaquenil is considered to be pretty safe, but it can rarely damage the eyes. Patients that take Plaquenil should have their eyes checked by an eye doctor at least once a year to make sure the medication isn’t affecting the retina at the back of each eye. Plaquenil is considered to be pretty safe, but it can rarely damage the eyes. If it isn’t working at all after this time then it is usually stopped. When taking plaquenil which tests should periodically be taken Plaquenil Warnings and Precautions, Hydroxychloroquine Plaquenil Plaquenil and chronic fatigueMajor issue with chloroquine Plaquenil can cause serious side effects when used in high doses for chronic diseases such as RA over the long term. The New Zealand Dermatological Society recommends that to decrease the risk of retina damage, no more than 200mg of Plaquenil should be taken a day, and a dose of 400mg per day should be taken no longer than a few weeks. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis.. Plaquenil – RheumInfo. Plaquenil Indications, Side Effects, Warnings -. Take Plaquenil for the full prescribed length of time for malaria. Your symptoms may improve before the infection is completely cleared. When treating lupus or arthritis, tell your doctor if your symptoms do not improve after 6 months of treatment. Before taking this medicine. You should not use Plaquenil if you are allergic to hydroxychloroquine. Hydroxychloroquine should not be taken with other drugs that could cause heart arrhythmias irregular heart rate or rhythm. Taking hydroxychloroquine with these drugs could cause dangerous. 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.