Can you think of any reasons why medicines are not normally administered vaginally except for topical treatment? (Think about the gross and microscopic anatomy of the vagina.) The person in your care...

Can you think of any reasons why medicines are not normally administered vaginally except for topical treatment? (Think about the gross and microscopic anatomy of the vagina.) The person in your care has been ordered enteric-coated aspirin tablets. How do these tablets work to prevent gastric irritation?