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. Chloroquin Chloroquine effect on lysosomes How does chloroquine work Diluting chloroquine for in vivo treatments Hydroxychloroquine Plaquenil is one of the safest drugs in medicine. Serious side effects are rare & routine blood tests are not required. Allergy new skin rashes is unusual but it means ruling our future use. Commoner, usually mild, side effects are indigestion, ‘gurgly tummy’, diarrhoea & headache. 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. Hair bleaching, hair loss, skin pigmentation, rash and itching are recognized skin adverse reactions of plaquenil hydroxychloroquine. These reactions tend to be worse if a patient is taking other medications that have similar skin toxicity. Please consult a dermatologist to ensure skin lesions are not psoriatic because Plaquenil hydroxychloroquine use needs special precautions in psoriasis. 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 Plaquenil hydroxychloroquine 200mg is it causing itchy skin., Hydroxychloroquine Side Effects Common, Severe, Long Term. Chloroquine phosphate dosage for adultsPlaquenil side effects skin rashMalaria resistant to chloroquine Plaquenil hydroxychloroquine 200mg is it causing itchy skin rash? My lupus flares are Skin manifestation only malar rashplus fatigue. But ESR n CRP keeps coming Normal including ANA. On plaquenil hydroxychloroquine. Was dx not correct? I am on Metrotexate 30 mg a week, 2 Plaquenil hydroxychloroquine a day, 5 mg Prednisone. I had a skin rash from plaquenil hydroxychloroquine. I.. Plaquenil hydroxychloroquine 200mg is it causing itchy.. Hydroxychloroquine Skin Support. The following case studies illustrate examples where Plaquenil administration was associated with either new onset psoriasis or flaring of pre-existing psoriasis. Case 1. A middle-aged woman sought another opinion for a puzzling rash which had been seen by two dermatologists. At first, skin biopsies showed features of eczema. Subsequent biopsies 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. 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.