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. Substitutes for plaquenil How is hydroxychloroquine made Using plaquenil in end stage macular degeneration Is long term use of plaquenil safe Malaria caused by the Protozoa Plasmodium Falciparum Preventive Treatment of Vivax Malaria malaria prevention systemic lupus erythematosus Preventive Treatment of Quartan Malaria Preventive Treatment of Ovale Malaria Malaria caused by the Protozoa Plasmodium Vivax disease that causes disc-shaped patches on upper body Side Effects Nausea, stomach cramps, loss of appetite, diarrhea, dizziness, or headache may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly. Remember. Common side effects Nausea and diarrhea This can often can be combatted by taking Plaquenil with food or milk. Dizziness Precautions with this side effect Do not drive, use machinery. Cramps. Headache. Dry skin. Loss of appetite. 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. Complete list of side effects of plaquenil Hydroxychloroquine Oral Uses, Side Effects, Interactions, Pictures., Plaquenil Oral Uses, Side Effects, Interactions. Plaquenil screening eye exam 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 Common, Severe, Long Term -. Plaquenil What You Need to Know - Kaleidoscope Fighting Lupus. Plaquenil Uses, Dosage & Side Effects -. Symptoms of a serious allergic reaction may include rash, itching/swelling especially of the face/tongue/throat, dizziness, trouble is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or the US -Call your doctor for medical advice about side effects. Some side effects of hydroxychloroquine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Mar 17, 2019 Common hydroxychloroquine 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.