A nurse is caring for a client who is prescribed lithium therapy. The client states that he wants to take ibuprofen for osteoarthritis pain relief. Which of the following statements should the nurse make?
a) "Ibuprofen can increase the risk of lithium toxicity."
b) "It's safe to take ibuprofen with lithium as long as you monitor your blood pressure closely."
c) "You can take ibuprofen, but be sure to avoid any caffeinated beverages."
d) "There are no interactions between ibuprofen and lithium, so it's fine to take them together."