During an MTM review, you are presented with a 32 year old male patient with uncontrolled asthma who is currently taking a corticosteroid, a long acting beta-2 agonist, and a leukotriene modifier. He tells you that the doctor wants to prescribe theophylline. Which of the following is false regarding the use of Theophylline?
1) Theophylline is a bronchodilator
2) Theophylline can cause nausea and vomiting
3) Theophylline can interact with other medications
4) Theophylline is not effective in treating asthma