Question: what is the best treatment for chronic obstructive?
Answer: Bronchodilators. Bronchodilators are medications that usually come in inhalers — they relax the muscles around your airways. ... 
Inhaled steroids. ... 
Combination inhalers. ... 
Oral steroids. ... 
Phosphodiesterase-4 inhibitors. ... 
Theophylline. ... 
Antibiotics.