To get around that, it is best to leave 4 hours between taking either of them. The doctor's indication on my Plaquenil packet does say not to take antacids for 2 hours within taking Plaquenil but I didn't realise that calcium tablets have a similar effect. What is the chemical name for plaquenil Aralen rheumatoid arthritis Plaquenil and nausea Plaquenil is VERY hard on the stomach. I take mine with prescription antacids to protect my stomach. To avoid this, antacids and kaolin should not be taken in the four hours before or after taking this medicine. Hydroxychloroquine may increase the blood levels of digoxin and ciclosporin. Plaquenil can damage the retina of the eye. This can lead to blindness. This problem is most common when high doses are taken for a long time. If you will be taking Plaquenil for a while, it is recommended to have a thorough eye exam before starting it and every three months while taking it. ), this is part of the reason I will not touch steroids Brilliant, thank you for letting me know. I find the whole ' Calcium' thing confusing, I have too much calcium in my body which can in turn affect Raynauds but my bones, nails, teeth r so weak, it's hilarious, they break at the slightest thing (& no, I'm not just talking about my nails either! Can i take antacids while taking plaquenil Having issues with Plaquenil -, Plaquenil hydroxychloroquine - Netdoctor Plaquenil for ivf Can I take zantac while taking methotrexate and plaquenil? Asked by margmac Updated 13 January 2015 Topics plaquenil, zantac, rheumatoid arthritis, methotrexate, antacid, stomach, contraindication Can I take zantac while taking methotrexate and plaquenil?. Plaquenil Warnings and Precautions. Plaquenil and Calcium/Vit D For those of you who.. 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. A total of 226 drugs are known to interact with Plaquenil, including 8 major drug interactions. For a full list that can be easily searched, visit You should avoid taking antacids or Kaopectate within 4 hours of taking Plaquenil. Some antacids may make it harder for your body to absorb the medication. What should I avoid while taking hydroxychloroquine Plaquenil, Plaquenil Sulfate, Quineprox? Avoid taking an antacid or Kaopectate kaolin-pectin within 4 hours before or after you take hydroxychloroquine. Some antacids can make it harder for your body to absorb hydroxychloroquine.