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. Canadian pharmacy hydroxychloroquine What is hydroxychloroquine prescribed for Mar 10, 2018 Plaquenil has many side effects, however, dry mouth is not one of them. I also get dry mouth, usually caused by other medications or another autoimmune disease which causes dry eyes as well. Act makes a mouthwash. + mints that is made for dry mouth. Aug 29, 2014 This means that the side effects of Plaquenil are mild and infrequent compared with its potential benefits. As with any medication, allergic reactions including skin rashes and non-allergic reactions can occur. The side effect that is of greatest concern is retinal toxicity. I also use to get ulcers in my mouth and nose a lot. I still get them, but instead of having 8 or 9 at a time, at the moment I have one in my nose and one in my mouth. Ophthalmology were pretty happy with my eyes and my last appointment and my dry mouth has improved slightly. For me Plaquenil has been amazing. But it doesn't help everyone. 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 side effects dry mouth Will you have Dry mouth with Plaquenil - eHealthMe, The Risk of Retinal Toxicity with Plaquenil Hydroxychloroquine rheumatoid arthritis pregnancy Hydroxychloroquine side effects may range from mild to severe, although some side effects may go away with time. Some of the most common side effects of hydroxychloroquine include 3, 4 loss of appetite. diarrhea. headache. nausea. vomiting. stomach pain. shakiness. skin rash. More serious hydroxychloroquine side effects include 3, 4 Hydroxychloroquine Plaquenil Success, Reviews and Side.. Alternatives to Plaquenil DailyStrength. Dry eyes, Sjogren’s and Plaquenil.. Advice & Tips This med among several others I take causes me to have a dry mouth. Initially, I also experienced nausea, but after 5 years, that is gone I don't recall when that ended. Initially, I also experienced nausea, but after 5 years, that is gone I don't recall when that ended. Some side effects of hydroxychloroquine 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. Side Effects Nausea, stomach cramps, loss of appetite, diarrhea, dizziness, or headache may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly. Remember.