Also tell your health care professional if you are allergic to any other substances, such as foods, preservatives, or dyes. Unless you are taking it for malaria or liver disease caused by protozoa , use of this medicine is not recommended during pregnancy. A very small amount of hydroxychloroquine passes into the breast milk. It has not been reported to cause problems in nursing babies to date. However, babies and children are especially sensitive to the effects of hydroxychloroquine.
Children are especially sensitive to the effects of hydroxychloroquine.
This may increase the chance of side effects during treatment. Overdose is especially dangerous in children. Because hydroxychloroquine is so similar to chloroquine, it is probably just as toxic. Therefore, it may not be known whether they work exactly the same way they do in younger adults or if they cause different side effects or problems in older people. There is no specific information comparing use of hydroxychloroquine in the elderly with use in other age groups.