Plaquenil is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. Can chloroquine abort pregnancy Can you take plaquenil and osteobioflex triple Can i take tums with plaquenil Many people have nausea, stomach cramps, and diarrhea when they first start taking Plaquenil hydroxychloroquine. If you have heart, eye, liver conditions, or psoriasis, talk to your doctor to see if Plaquenil hydroxychloroquine is right for you. I’ve been on plaquenil for almost 3 years and I still have diarrhea and to a lesser extent heartburn and nausea sometimes. The first year or two I was on plaquenil I didn’t have a normal bowel movement for as long as I could remember and was constantly nauseous and could barely eat. Plaquenil hydroxychloroquine belongs to a group of medicines called quinolines. Plaquenil is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. Plaquenil diarrhea nausea Plaquenil Oral Uses, Side Effects, Interactions., Plaquenil and. diarrhea! rheumatoid Plaquenil classificatinHydroxychloroquine patient teachingPlaquenil arthritis meds Nausea from Plaquenil, etc. nowah1965 posted. Plaq did give me diarrhea, and there are OTC meds like Immodium AD and script meds like Hyoscyamine that can help there. Over time my tummy adjusted to Plaq. I did find that taking it with milk made my tummy troubles worse, but it is recommended to take it with food. Nausea from Plaquenil, etc" Lupus Community - Support Group. Plaquenil Uses, Dosage & Side Effects -. Plaquenil aka HCQS – Anyone on this getting severe diarrhea.. Instead of remaining a shaped piece of poop, the poop spreads out in the toilet bowl water. Very loose stool is called diarrhea. Loose stool can be caused by infections, certain foods or drinks, drug side effects, etc. Other then Crohn's and IBS what can cause diarrhea, nausea, weight loss, stomach pains. The most common side effects are nausea and diarrhea, which often improve with time. Less common side effects include rash, changes in skin pigment such as darkening or dark spots, hair changes, and muscle weakness. Rarely, hydroxychloroquine can lead to anemia in some individuals. My Dr. prescribed Plaquenil the other day, I took 2-200mg pills in a 24 hr period and I was sick as a dog. I had stomach cramps, nausea and painful diarrhea, not to mention heart palpitations and an all over uneasiness. By the end of the 24 hrs I had also contracted a chest cold.