Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Plaquenil arthritis foundation Itching from plaquenil 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. Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Hydroxychloroquine may also be used for purposes not listed in this medication guide. Hydroxychloroquine is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Mucinex and plaquenil Rx Side Effects New Plaquenil Guidelines and More., Plaquenil Oral Uses, Side Effects, Interactions. Plaquenil contraindications espanolPlaquenil and the fluPlaquenil side effects stomach painTaking cellcept and plaquenilHydroxychloroquine and herb combination Provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. Data sources include IBM Watson Micromedex updated, Cerner Multum™ updated, Wolters Kluwer™ updated. Mucinex DM Disease Interactions -. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Medications that can cause drug-induced lupus Lupus.. Plaquenil and cold medicines. Liseo 06/04/2008. I am new to plaquenil and take 200mg twice a day. I have a cold now and wondered if anyone knows of any cold medicine that shouldn't be taken with it. I tried Robitussin and it seems to be fine. I haven't called my doc yet since the cold isn't too bad. Plaquenil hydroxychloroquine is an effective medication for autoimmune conditions and malaria that comes with less side effects than other DMARDs. Effectively prevents and treats malaria, and treats a certain type of intestinal infection but can cause serious side effects in certain people. Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more. Side effects, drug interactions, pregnancy safety information, and dosage information should be reviewed prior to taking this medication.