It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. Hydroxychloroquine and hearing loss Benlysta and plaquenil Toxicity of hydroxychloroquine What is chloroquine made up of I pretty much solved the problem by taking the Plaquenil with full meals and by adding a Probiotic. I think the Probiotic helped the most. After I started the Probiotic, the loose stools pretty much stopped, although I do seem to have more stools than I used to have before starting Plaquenil. Hydroxychloroquine Plaquenil is considered a disease-modifying anti-rheumatic drug DMARD. It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. Re Prednisone, plaquenil and constipation. I haven't experienced any problems with constipation while on prednisone and plaquenil. I had a lot of bowel trouble before I was DXD though, which may be why I am not having problems now, could be that the drugs just evened me out so to speak. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. Plaquenil bowel problems Sjögren's syndrome - Complications - NHS, Hydroxychloroquine Plaquenil Aralen phosphate side effects Plaquenil hydroxychloroquine is considered an older DMARD disease modifying anti-rheumatic drug. Plaquenil was actually first classified as an antimalarial drug, but it is also used to treat certain rheumatic and autoimmune conditions which are unrelated to malaria. Generally, Plaquenil is a treatment option as monotherapy used alone for mild rheumatoid arthritis or as combination. Taking Plaquenil for Rheumatoid Arthritis. Immune & Autoimmune - Lupus Prednisone, plaquenil and. Plaquenil and diarrhea - Answers on HealthTap. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil is available in generic form. What Are Side Effects of Plaquenil? Common side effects of Plaquenil include. nausea, vomiting, stomach pain or cramps, loss of appetite, weight loss, diarrhea, dizziness, spinning sensation, headache, Some of the dosage forms listed on this page may not apply to the brand name Plaquenil. For the Consumer. Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine the active ingredient contained in Plaquenil may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Tell your doctor if any of the following side effects, as they may be indications of a more serious reaction Headache. Loss of appetite. Dizziness. Nausea. Diarrhea, vomiting, or stomach pain. Skin rash.