Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Does plaquenil reduce pain Taking plaquenil with negative ana The more common side effects that can occur with hydroxychloroquine include headache. dizziness. diarrhea. stomach cramps. vomiting. Hydroxychloroquine is a relatively well tolerated medicine. The most common adverse reactions. reported are stomach pain, nausea, vomiting, and headache. These side effects can often be lessened by taking hydroxychloroquine with food. Hydroxychloroquine may also cause itching in some people. All medicines may have some side effects. Hydroxychloroquine Side Effects Get emergency medical help if you have signs of an allergic reaction hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Hydroxychloroquine is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. What are adverse reactions for hydroxychloroquine sulfate HYDROXYCHLOROQUINE - ORAL Plaquenil side effects, medical., Medicines for the Prevention of Malaria While Traveling. Plaquenil behcet'sCan i take tramadol with hydroxychloroquineDoes hydroxychloroquine cause loss of taste in mouthHydroxychloroquine hearing lossWhich is more effective methotrexate or plaquenil Adverse cutaneous reactions to hydroxychloroquine are more common in patients with dermatomyositis than in patients with cutaneous lupus erythematosus. Pelle MT1, Callen JP. Author information 1Department of Dermatology, University of Pennsylvania School of Medicine, Philadelphia, USA. Adverse cutaneous reactions to hydroxychloroquine are more.. Hydroxychloroquine - Side Effects, Dosage, Interactions.. Hydroxychloroquine Side Effects Common, Severe, Long Term.. Drug information provided by IBM Micromedex. Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Fortunately, the problems seen by people taking this medication are usually very mild. Serious side effects are rare. Overall, most people who have any noticeable side effects from hydroxychloroquine experience diarrhea or nausea. These usually get better after the person adjusts to the medication. Hydroxychloroquine side effects. Get emergency medical help if you have signs of an allergic reaction to hydroxychloroquine hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye.