Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. Can hydroxychloroquine cause sexual dysfunction Pfcrt chloroquine resistance Chloroquine drug bank 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. Plaquenil and Indigestion - from FDA reports Summary Indigestion is found among people who take Plaquenil, especially for people who are female, 60+ old, have been taking the drug for 6 - 12 months, also take medication Enbrel, and have Pain. I think the advice to taper up slowly on Plaquenil is very sound advice. What your doctor is suggesting sounds good; you may even want to ask if you could stay on the one pill a little longer if all goes well with that. I've been on it 8 months. The first two weeks I had some stomach upset and diarrhea. It wasn't pleasant, but not horrible, either. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Plaquenil stomach upset Hydroxychloroquine Side Effects Common, Severe, Long Term., Will you have Indigestion with Plaquenil - eHealthMe Can you take plaquenil with prednisoneChloroquine prostate cancerPlaquenil em portuguesPlaquenil joint pain Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine Hydroxychloroquine Side Effects Common, Severe, Long Term -. Plaquenil stomach issues - Sjogren's World. Drug spotlight on hydroxychloroquine Lupus Foundation of.. Plaquenil and upset stomach I have been taking 200 mg twice a day and it has been causing my stomach to hurt. It makes my stomach feel like its empty. I eat when I. That advice is for when you are taking it, probably to protect the stomach. Once you have developed an upset stomach, if an infection is suspected, milk is the wrong thing to take as the infection will feed on it. I would not have mentioned it but it can be quite dangerous. Milk does protect the stomach otherwise. A better test is alcohol. Plaquenil comes in tablet form. It is taken once or twice a day, unless it is used for the prevention of malaria, in which case it is taken once a week beginning 1 to 2 weeks prior to traveling to an area where malaria is common. Take this medication with a meal or a glass of milk to prevent stomach upset.