Table 4: Bronchodilator withdrawal time

in diagnostic spirometry.1

Type of

bronchodilator

Example

Withdrawal

time

(hours)

SABA (short-acting beta-agonist)

Salbutamol/phenoterol

4-6

SAMA (short-acting muscarinic antagonist)

Ipratropium bromide

12

LABA (long acting

beta-agonist)

Formoterol/salmeterol

24

LAMA (long acting muscarinic antagonist)

Tiotropium bromide /

umeclidinium /

aclidinium / glycopyrronium bromide

36

Ultra-LABA (ultra long acting beta-agonist)

Indacaterol/vilanterol/olodaterol

36-48