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. Pregnancy category hydroxychloroquine Can sulfasalazine and plaquenil be taken together Common Plaquenil side effects may include headache, dizziness, ringing in your ears; nausea, vomiting, stomach pain; loss of appetite, weight loss; mood changes, feeling nervous or irritable; skin rash or itching; or. hair loss. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. Tell your doctor right away if you have any serious side effects, including arm/leg/back pain, slow/fast/irregular heartbeat, symptoms of heart failure such as shortness of breath, swelling ankles/feet, unusual tiredness, unusual/sudden weight gain, hair loss/color change, mental/mood changes e.g. anxiety, depression, rare thoughts of suicide, hallucinations, ringing in the ears/hearing loss, worsening of skin conditions e.g. psoriasis, severe stomach/abdominal pain, severe nausea. Common side effects may include headache, dizziness, ringing in your ears; nausea, vomiting, stomach pain; loss of appetite, weight loss; mood changes, feeling nervous or irritable; skin rash or itching; or; hair loss. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. 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. Hydroxychloroquine sulfate side effecys RA and Hydroxychloroquine How Effective is it for., HYDROXYCHLOROQUINE SULFATE Side Effects, Interactions & More. Chloroquine in lepra reactionHydroxychloroquine thrombocytopenia side effects Each white, film-coated, peanut-shaped tablet with "HQ 200" on one side and "G" on the other contains 200 mg of hydroxychloroquine sulfate equivalent to 155 mg of base. Nonmedicinal ingredients maize corn starch, calcium hydrogen phosphate dihydrate DC, sodium starch glycollate Type A, magnesium stearate, hypromellose, titanium dioxide. Mylan-Hydroxychloroquine - Uses, Side Effects, Interactions.. Plaquenil Hydroxychloroquine Side effects, Images, Uses.. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Side effects include irritability, headache, weakness, hair lightening or loss, stomach upset, nausea, dizziness, muscle pain, rash and itching. Rarely, hydroxychloroquine can affect the bone marrow leading to reduced white blood cells leukopenia or platelets thrombocytopenia and abnormal red blood cells. Rare but potentially serious eye toxicity can occur. Hydroxychloroquine received an overall rating of 7 out of 10 stars from 368 reviews. See what others have said about Hydroxychloroquine, including the effectiveness, ease of use and side effects. Get emergency medical help if you have signs of an allergic reaction hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina.