- Inhaled B agonists: 
- Ventolin; 
- Berotec; 
- Alupent; 
- Theophylline Prep; 
- Atrovent (Anticholinergic Agents) 
- Steroids 
- Atropine;
- Nebulized water and saline are without documented benefit, as are oral expectorants such as guaifenesin and saturated iodide, and the latter has severe toxic side effects. 

GMO Manual 
Iowa Family Practice Handbook - 1
Iowa Family Practice Handbook - 2 
Merck Manual