I took the drug as a treatment for sarcoidosis and one of the side effects is a reduction in white blood cells, which is what has happened to me. Plaquenil is used in the treatment of sarcoidosis but its main use is in the treatment of malaria. Plaquenil low cost People on plaquenil No side effects from the plaquenil at all. As a matter of fact, I have had chronic, cramping diarrhea since 99 and as soon as I started the plaquenil it went away. Anyone have stomach pain after taking their plaquenil? I took my first dosage on Sunday and my stomach hurt so bad I could hardly stand it. I drank milk but it still hurt. Now I'm scared to take any more. I want to feel better but not at that cost. Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. For the four years that I took the drug, my eye sight never bothered me and bi-annual eye tests revealed no changes. One of the side effects of taking the drug is that it affects eye sight, and eye tests, especially tests need to be done every six months. Is nausea and stomach pain a side effects of plaquenil Nausea from Plaquenil, etc" Lupus Community - Support Group, Plaquenil and stomach pain DailyStrength Hydroxychloroquine eyes treatmentSjorens syndrome plaquenilPlaquenil weight gain or loss Diarrhea, vomiting, or stomach pain; Skin rash; Serious Side Effects of Plaquenil. If you are taking Plaquenil long-term, such as for an autoimmune condition, your doctor should regularly check. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Plaquenil Side Effects - GoodRx. Common Side Effects of Plaquenil. Nausea is found among people who take Plaquenil, especially for people who are female, 60+ old, have been taking the drug for 1 - 6 months, also take medication Enbrel, and have Pain. This study is created by eHealthMe based on reports of 48,911 people who have side effects when taking Plaquenil from Food and Drug Administration FDA, and is updated regularly. Plaquenil is also an option for those who try and fail biologic drugs, cannot tolerate biologics or fear potential side effects linked to biologic DMARDs. How It Works Plaquenil is prescribed as a disease-modifier, in other words, to decrease pain, decrease swelling, and prevent joint damage and disability. Apr 08, 2013 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.