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. Plaquenil pediatric dose for sle Plaquenil and tremors Side effects plaquenil tablets Plaquenil and insomnia PLEASE HELP! I have been on Plaquenil well the generic form-- hydroxychloroquine since October, and for the past about 2 weeks, I have been SEVERELY skin turns red, and it feels like something is biting me. It's bad around my ankles and the tops of my feet, my arms, and I get red blotches and spots on my chest. I got this after about 5 weeks, mine was a blistery rash and it was only on my shoulders, upper chest and upper back. My doctor said it was photodermatitis and caused from a sensitivity to the sun caused by the plaquenil. 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, headache, ringing in your ears, mood changes, nervousness, irritability, skin rash, itching, or; hair loss. 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 skin rash Common and Rare Side Effects for Plaquenil Oral, Rash from plaquenil DailyStrength Plaquenil with zybanPlaquenil eye exam protocolPlaquenil ear problemsSide effects of long term use of hydroxychloroquinePlaquenil for oral lichen planus 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 you for potential serious side effects. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. I had a skin rash from plaquenil hydroxychloroquine. I was.. Applies to hydroxychloroquine compounding powder, oral tablet. Cardiovascular. Frequency not reported Cardiomyopathy can result in fatal cardiac failure, biventricular hypertrophy. Dermatologic-Pigmentary changes in skin and mucous membranes, bleaching of hair, and alopecia are usually reversible when therapy is discontinued. View detailed reports from patients taking Hydroxychloroquine Sulfate who experienced rash. Reports are from official medical reports as well as online extractions from user reviews and forum discussions. Hydroxychloroquine Plaquenil® is a 4-amino-quinoline antimalarial medication that is widely used to treat systemic lupus erythematosus SLE, rheumatoid arthritis, and related inflammatory and dermatological conditions. It is a hydroxylated version of chloroquine, with a similar mechanism of action.