Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Dose of chloroquine phosphate Malarone versus chloroquine Chloroquine dosage regimen Indocin and plaquenil The study is based on hydroxychloroquine sulfate the active ingredients of Plaquenil and Plaquenil the brand name. Other drugs that have the same active ingredients e.g. generic drugs are not considered. Dosage of drugs is not considered in the study. Hydroxychloroquine is commonly used alongside other disease-modifying drugs including methotrexate – especially for rheumatoid arthritis. However, some drugs can interact with hydroxychloroquine. Indigestion remedies for example, antacids including some over-the-counter preparations can stop hydroxychloroquine being absorbed. Hydroxychloroquine oral tablet is available as a brand-name drug and a generic drug. Brand name Plaquenil. Hydroxychloroquine comes only as a tablet you take by mouth. Hydroxychloroquine is used to treat malaria, lupus erythematosus, and rheumatoid arthritis. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Hydroxychloroquine is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Hydroxychloroquine and alcohol use Plaquenil and Alcohol Interaction - Alcohol Explained, Hydroxychloroquine Side-effects, uses, time to work Info plaquenil Plaquenil hydroxychloroquine is an antimalarial medication used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Hydroxychloroquine Oral Uses, Side Effects, Interactions.. Back when it was time for me to add a DMARD, alcohol was one of the factors in my choice of hydroxychloroquine instead of methotrexate. I enjoy beer almost as much as Coca-Cola! and I usually drink 2 pints per week sometimes more in the summertime. Although hydroxychloroquine has been used on an anecdotal basis for the treatment of OA, there have been few studies to assess its efficacy and these studies have contained only small numbers of patients. A summary of these studies is presented in Figure 1 and Table 1. The small numbers of patients. Hydroxychloroquine is considered safer than chloroquine during pregnancy and lactation. Hydroxychloroquine is rapidly absorbed from the gastrointestinal tract, and steady-state concentrations are reached after 4–6 weeks; 45% of hydroxychloroquine binds to plasma proteins that are deposited in tissues such as the liver, spleen, kidney, and lung.