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 chloroquine: Incidence not known Some side effects of chloroquine may occur that usually do not need medical attention. Qt with chloroquine phosphate Plaquenil vertigo The most serious adverse effects affect the eye, with dose-related retinopathy as a concern even after hydroxychloroquine use is discontinued. For short-term treatment of acute malaria, adverse effects can include abdominal cramps, diarrhea, heart problems, reduced appetite, headache, nausea and vomiting. Docking of chloroquine revealed two orientations that were distinct from docked quinine, as the quinoline ring of chloroquine was located between W183 and Y234, suggesting a possible π–π interaction Figure 8c and d. A potential cation-π interaction was detected between F226 and the tertiary ammonium of chloroquine. Because of this and. Find patient medical information for Chloroquine Injection on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. 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 interaction Chloroquine Is a Zinc Ionophore - PubMed Central PMC, The antimalarial drugs quinine, chloroquine and mefloquine. Chloroquine selleckTopical hydroxychloroquine 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. Chloroquine Side Effects Common, Severe, Long Term.. Chloroquine Injection Uses, Side Effects, Interactions.. Chloroquine Oral Interactions with Other Medication. Does Plaquenil Interact with other Medications? Severe Interactions. These medications are not usually taken together. Consult your healthcare professional e.g. doctor or pharmacist for more in. Chloroquine phosphate is used occasionally to decrease the symptoms of rheumatoid arthritis and to treat systemic and discoid lupus erythematosus, scleroderma, pemphigus, lichen planus, polymyositis, sarcoidosis, and porphyria cutanea tarda. Talk to your doctor about the possible risks of using this drug for your condition. Chloroquine taken in the dose recommended for malaria prophylaxis can reduce the antibody response to primary immunization with intradermal human diploid-cell rabies vaccine. Praziquantel In a single-dose interaction study, Chloroquine has been reported to reduce the bioavailability of praziquantel.