What do systematic reviews say?

Formoterol vs short‐acting beta2‐agonist

Formoterol may leads to higher withdrawals (any reason) compared with short‐acting beta2‐agonist (low certainty).

• Formoterol versus short‐acting beta‐agonists as relief medication for adults and children with asthma 2010 · Cochrane Headline outcomes only
  OR 1.12 [1.02, 1.24]
  7 studies · 22541 participants
  Low