A nurse is teaching about self-administering methotrexate to a client who has rheumatoid arthritis. Which of the following statements should the nurse make?
a) Use a nonsteroidal anti-inflammatory drug to reduce toxicity.
b) If you miss a dose, go ahead and take it with the next scheduled dose.
c) Drink a minimum of 2 liters of water per day to promote the drug's excretion.
d) Take it in the morning to prevent insomnia.