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. Hydroxychloroquin cause yellow sweat stains Plaquenil 400 mg bid Plaquenil eye exam optometrist or ophthalmologist Worsening of Psoriasis and Porphyria Use of Chloroquine phosphate tablets in patients with psoriasis may precipitate a severe attack of psoriasis. When used in patients with porphyria the condition may be exacerbated. Chloroquine phosphate tablets should not be used in these conditions unless the benefit to the patient outweighs the potential risks. Nervousness, irritability, dizziness although these effects are uncommon Major neurological side effects confusion, seizures – These are quite rare, but if you experience them, alert your doctor immediately. Exacerbation of psoriasis – If you have psoriasis, Plaquenil may make your condition worse. Rather, it suppresses the cells of your immune system that cause the psoriasis rash. Because of the way it works, methotrexate can cause many side effects. The drug is broken down by your liver and then eliminated from your body by the kidneys. It can cause harmful effects to these organs if used for long periods. 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. Chloroquine side effects psoriasis Chloroquine Indications, Side Effects, Warnings -, Treating Lupus with Anti-Malarial Drugs Johns Hopkins Lupus. Plaquenil bullseye retinopathyPlaquenil monthsLupus medicines hydroxychloroquine brighamDoes hydroxychloroquine make you bone painChloroquine expired side effects Our Aralen chloroquine phosphate Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. Side Effects of Aralen Chloroquine, Warnings, Uses. Methotrexate for Psoriasis Treatment, Dosage, and Side.. Chloroquine Oral Uses, Side Effects, Interactions.. Lower back or side pain muscle trembling, jerking, or stiffness muscular pain, tenderness, wasting, or weakness night blindness nausea overbright appearance of lights painful or difficult urination pale skin pinpoint red spots on the skin puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue Psoriasis skin disease or Stomach or bowel problems—Use with caution. May make these conditions worse. Bradycardia slow heartbeat or Heart disease or Heart rhythm problems, or history of or Hypokalemia low potassium in the blood, uncorrected or Hypomagnesemia low magnesium in the blood, uncorrected—Use with caution. RARE side effects. If experienced, these tend to have a Severe expression. Abnormal Heart Electrical Signals. Abnormal Liver Function Tests. Abnormally Low Blood Pressure. Acquired Decrease Of All Cells In The Blood. Atrioventricular Heart Block. Blind Spot In The Eye.