This could be a problem in patients with congestive heart failure or other patients who require sodium restriction May stunt growth if used in young, growing animals May lower seizure threshold and alter mood and behavior At high doses, this medication can cause
birth defects early in pregnancy, be irritating to the stomach or cause higher than normal blood sugar levels If your pet has received high doses, it should not be vaccinated without your veterinarian's advice as the vaccine may not work or it may actually give your pet the disease you are trying to
prevent Less common side effects include weight gain, insomnia, panting, diarrhea, vomiting, elevated liver enzymes, pancreatitis and behavior changes
Serious side effects are not expected with routine use.
If taken before and during early pregnancy from a multi-vitamin or fortified foods, folic acid can
prevent from 50 % up to 70 % of some forms of
serious birth defects of the brain and spine.