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. Michael marmor plaquenil dec 2015 Plaquenil and daypro used together Other side effects Cutaneous side effects. Chloroquine can cause Blue–grey pigmentation, although less commonly than with quinacrine; Urticaria; Exfoliative dermatitis; Psoriasiform eruption or flare of psoriasis; Alopecia; Photosensitivity; Erythema annulare centrifugum ; Transverse pigmented nail bands. Gastrointestinal side effects Common Side Effects of Chloroquine. Tell your doctor if any of the following side effects become severe or don't go away Loss of appetite; Mild dizziness; Mild diarrhea; Clumsiness; Mild headache Although they are uncommon, Plaquenil has side effects that may affect your eyes. Plaquenil and Your Eyes In some people, Plaquenil can cause a condition called hydroxychloroquine retinopathy, often referred to as bulls-eye maculopathy. 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. Pics of ocular side effects chloroquine Chloroquine Side Effects Common, Severe, Long Term -, Chloroquine Aralen - Side Effects, Dosage, Interactions - Drugs Hydroxychloroquine vision side effectsHyperpigmentation of the skin due to hydroxychloroquineHydroxychloroquine reviews eyes Chloroquine Phosphate. Uses. Chloroquine is used to prevent or treat malaria caused by mosquito bites in countries where malaria is common. Malaria parasites can enter. Side Effects. Precautions. Interactions. Chloroquine Oral Uses, Side Effects, Interactions, Pictures.. Plaquenil Side Effects on Your Eyes and Vision. Chloroquine or Hydroxychloroquine Plaquenil and the Ocular.. The mechanism of chloroquine and hydroxychloroquine toxicity is not well understood. Chloroquine has an affinity for pigmented melanin-containing structures, which may explain its toxic properties in the eye. Melanin serves as a free-radical stabilizer and can bind toxins, including retinotoxic drugs. Feb 19, 2020 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. Plaquenil toxicity isn’t even in the top 10, or the top 100” if you’re looking at incidence, he said. “It’s a pretty rare thing.” Nevertheless, he urged doctors to master the Academy’s new guidelines, because the effects from chloroquine and hydroxychloroquine, when they do occur, are severe and often irreversible.