Who should not take aminosalicylic acid?

Individuals with health conditions, such as kidney or liver disease, should not use aminosalicylic acid. Pregnancy is another factor that can affect the use of aminosalicylic acid. It's not known whether this medicine can harm a fetus or a nursing baby. It's important to weigh the benefits. If you are allergic to aminosalicylic acid or similar medications, you shouldn't use this anti-TB drug.