Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered. To do so may increase the chance of serious side effects. Chloroquine toxicity ecg Hydroxychloroquine less common side effects At first, 10 milligram mg per kilogram kg of body weight. Then, 5 mg per kg of body weight taken 6 hours, 24 hours, and 36 hours after the first dose. For treatment of liver infection caused by protozoa Adults—1000 milligrams mg once a day, taken for 2 days. This is followed by 500 mg once a day for at least 2 to 3 weeks. Each tablet contains 500 mg of Chloroquine phosphate USP, equivalent to 300 mg Chloroquine base. Inactive Ingredients colloidal silicon dioxide, dibasic calcium phosphate, hydroxypropylmethylcellulose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, polysorbate80, pregelatinized starch, sodium starch glycolate and titanium dioxide. Some side effects of chloroquine 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. If you already have malaria, you should still keep taking this medicine for the full time of treatment even if you begin to feel better after a few days. If you stop taking this medicine too soon, your symptoms may return. If you are taking this medicine to help keep you from getting malaria, keep taking it for the full time of treatment. Chloroquine phosphate 500 mg side effects Chloroquine Oral Uses, Side Effects, Interactions, Pictures., Chloroquine - FDA prescribing information, side effects. Plaquenil tab 200 mg caj c 20Chloroquine absorption Blurred vision, nausea, vomiting, abdominal cramps, headache, and diarrhea may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly. Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Chloroquine 500 mg tablet Kaiser Permanente. Chloroquine Side Effects Common, Severe, Long Term.. Aralen Chloroquine Uses, Dosage, Side Effects.. Nov 25, 2019 Chloroquine side effects. Get emergency medical help if you have signs of an allergic reaction hives, difficult breathing, swelling in your face or throat or a severe skin reaction fever, sore throat, burning in your eyes, skin pain, red or purple skin rash that spreads and causes blistering and peeling. Get medical help right away if you have any very serious side effects, including severe dizziness, fainting, fast/slow/irregular heartbeat, seizures. This medication may cause serious eye/vision problems. Chloroquine phosphate may cause an upset stomach. Take chloroquine phosphate with food. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Use chloroquine phosphate exactly as directed. Do not use more or less of it or use it more often than prescribed by your.