The nurse is teaching the client about ferrous sulfate (Feosol). Which of the following statements should be included in the teaching plan? (Select all that apply.) 1. This drug should be taken on an...

The nurse is teaching the client about ferrous sulfate (Feosol). Which of the following statements should be included in the teaching plan? (Select all that apply.)

1. This drug should be taken on an empty stomach at least 1 hour before or 2 hours after a meal.

2. Getting liquid iron on teeth should be avoided because the drug can cause brown stains.

3. Iron preparation may darken stools and cause constipation.

4. Vitamin E is added to many oral iron supplements because it enhances iron absorption.

5. This drug can be taken with caffeinated beverages.