> Don't self-medicate with chloroquine. It's very hepatotoxic. Also, for those considering to use the Cinchona bark itself as a prophylactic measure, as a natu

> Don't self-medicate with chloroquine. It's very hepatotoxic. Also, for those considering to use the Cinchona bark itself as a prophylactic measure, as a natural / herbal / ayurvedic remedy, note that it also has potentially risky side-effects like slowing the heart, constipation and impact on the nervous system. In large quantity cinchona is UNSAFE and can be deadly. Symptoms of overdose include ringing of the ears, headache, nausea, diarrhea, and vision disturbances. Cinchona can also cause bleeding and allergic reactions, including hives and fever. It also interacts with a lot of other medicines like anti-coagulants, heart medicines, antacids etc. Be sure to check your medication list first. Source: https://www.rxlist.com/cinchona/supplements.htm https://www.rxlist.com/cinchona/supplements.htm