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. Hydroxychloroquine renal dosing Plaquenil and eye pain Avoid taking antacids and kaolin within 4 hours of taking this medicine. It is best to separate these medicines by at least 4 hours. Tell your doctor or health care professional right away if you have any change in your eyesight. Your vision and blood may be tested before and during use of this medicine. In studies conducted in Belém Pará, Silva et al. found, as major side effects of chloroquine, the following symptoms itching 5.55%, epigastric pain 1.28%, diarrhea 0.85%, and choluria 3.42%. Adverse effects Seizures. Deafness or tinnitus. Nausea, vomiting, diarrhea, abdominal cramps, and anorexia. Mild and transient headache. Skin itchiness, skin color changes, hair loss, and skin rashes. Unpleasant metallic taste. Chloroquine retinopathy. Hypotension and electrocardiographic. 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 itching Chloroquine Oral Uses, Side Effects, Interactions., Side Effects of Chloroquine and Primaquine and Symptom. Hydroxychloroquine ranbaxy Apr 02, 2019 Taking chloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Stop taking this medicine and call your doctor at once if you have trouble focusing, if you see light streaks or flashes in your vision, or if you notice any swelling or color changes in your eyes. Aralen Chloroquine Side effects, Images, Uses, Dosage.. Chloroquine - Wikipedia. Chloroquine Oral Uses, Side Effects, Interactions, Pictures.. Side effects that you should report to your doctor or health care professional as soon as possible -allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue. -changes in vision. -decreased hearing or ringing of the ears. Common side effects of chloroquine include headache, blurred vision, anorexia, nausea, diarrhea, skin rash and itching. Hepatotoxicity Despite use for more than 50 years, chloroquine has rarely been linked to serum aminotransferase elevations or to clinically apparent acute liver injury. What are some other side effects of Chloroquine? 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 Belly pain. Stomach cramps. Not hungry.