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. What does hydroxychloroquine do What is blood test for plaquenil liver damage Sep 13, 2019 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. Aug 02, 2010 plaquenil, pain, nausea/vomiting, gerd, ulcer Ive been os this med for 6 weeks and have had increasing nausea, acid relux and epigastrc pain. I have had esoogeal ulcers in the past and im also on mobic I was diagnosed with Tumid Lupus which causes raised red ulcer looking rash mainly on my face but can be anywhere on the body. it is cutaneous not systemic. I also have osteoarthritis. I started on Plaquenil in 2015 200 mg then increased to 400 mg after 3 months. It took many months for the ulcer like spots to go away but the drug works. 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. Ulcer plaquenil Oral Concerns in People With Lupus - Hospital for Special., Can Plaquenil cause acid reflux and pain when swallowing? Psoriatic arthritis response to plaquenilPlaquenil without macular signs icd 10 Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more. Side effects, drug interactions, pregnancy safety information, and dosage information should be reviewed prior to taking this medication. Hydroxychloroquine Plaquenil Side Effects & Dosage for.. Plaquenil Drug and Medication User Reviews on RxList. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Hydroxychloroquine Plaquenil is a drug that is classified as an anti-malarial drug. Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more. Oral mouth and nasal nose ulcers are one of the most common features of lupus occurring in around 45% of people who have SLE. Having mucosal ulcers in the mouth or nose is one of the classification criteria used to diagnose SLE. Also, generic plaquenil hydroxychloroquine is often associated with more GI side effets than the name brand. Arthritis Center Founded in 1998, the Arthritis Center at Johns Hopkins is dedicated to providing quality education to patients and healthcare providers alike.