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. Can plaquenil cause eye problems Hydroxychloroquine birth defects Plaquenil 200mg là thuốc gì 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. What are some other side effects of Plaquenil? All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away Dizziness. Headache. Feeling nervous and excitable. Not hungry. Get medical help right away if you have any very serious side effects, including chest pain, fast/irregular heartbeat, severe dizziness, fainting, seizures. A very serious allergic reaction to. 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 side effects constipation Plaquenil & Weight Gain/Loss -, Plaquenil Indications, Side Effects, Warnings - Chloroquine synthesis reaction Most common side effects people have besides Constipation * Fatigue feeling of tiredness 206 people, 39.85%. Diarrhea 168 people, 32.50%. Nausea feeling of having an urge to vomit 162 people, 31.33%. Pain 152 people, 29.40%. Joint Pain 137 people, 26.50%. Will you have Constipation with Plaquenil - eHealthMe. Plaquenil Oral Uses, Side Effects, Interactions.. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. For the Consumer. Continuing ringing or buzzing or other unexplained noise in the ears. feeling of constant movement of self or surroundings. irritability. nausea. nervousness. nightmares. sensation of spinning. shakiness and unsteady walk. uncontrolled eye movements. unsteadiness, trembling, or. Plaquenil Side Effects by Likelihood and Severity INFREQUENT side effects. If experienced, these tend to have a Severe expression. A Disorder Of The Retina Of The Eye;. RARE side effects. 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.