Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take hydroxychloroquine with all of your drugs and health problems. Hemozoin chloroquine Homocysteine plaquenil If hydroxychloroquine was ineffective would it be effective with methotrexate How to use Plaquenil. Hydroxychloroquine is usually taken with food or milk to prevent stomach upset. The dosage and length of treatment are based on your medical condition and response to therapy. In children, dosage is also based on weight. Choose light bulbs that have the lowest possible irradiance intensity. Cover fluorescent and halogen bulbs with light shields or glass that filters out UV rays. Look for shields with readings of 380 to 400 nanometers, which filters all types of ultraviolet light. Sometimes Plaquenil can also deposit in the tissues of the body and cause the skin to take on a greenish tone. Dry skin; Loss of appetite; Abdominal bloating; Upset stomach; Stomach cramps; Retinal damage – There is a small chance that retinal damage will occur while taking hydroxychloroquine Plaquenil or chloroquine Aralen. For all uses of hydroxychloroquine: WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Do not start, stop, or change the dose of any drug without checking with your doctor. Plaquenil and light sensitivity Sensitivity to UV light during treatment with chloroquine., UV exposure What you need to know Lupus Foundation of America Chloroquine phosphate brooklynellaChloroquine disadvantages govJohn hopkins research on plaquenil Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Treating Lupus with Anti-Malarial Drugs Johns Hopkins.. Rheumatoid Arthritis Medication Beware of Sunburn if You.. Certain medications used to treat lupus may also exacerbate light sensitivity, such as plaquenlil also known as hydroxychloroquine. 2 Oftentimes, these are rare side effects and should not deter you from appropriate treatment, but it is important to be aware of what might result from their usage. Skin biopsies of the new rash confirmed the diagnosis of psoriasis. Plaquenil was discontinued. Because his blood contained anti-SS-A antibodies, rendering him highly sensitive to ultraviolet light, he was not a candidate for phototherapy which could flare lupus especially after Plaquenil was stopped. The retina is the light-sensitive tissue at the back of the eye. Using Plaquenil for a long period of time may harm the retina, causing serious vision loss. Using Plaquenil for a long period of time may harm the retina, causing serious vision loss.