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Flovent

Flovent Side Effects

Robert Chad Hakim, PharmD, BCCCPDaisy Chau, PharmD
Reviewed by Robert Chad Hakim, PharmD, BCCCP, Daisy Chau, PharmD
Last reviewed on October 7, 2026

The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.

Common Side Effects

HFA (adults and children 12 years and older):

  • Upper respiratory tract infection (up to 18%)
  • Headache (up to 11%)
  • Throat irritation (up to 10%)
  • Sinus infection (up to 7%)
  • Hoarseness (up to 6%)
  • Bronchitis (up to 6%)
  • Cough (up to 6%)
  • Oral thrush (up to 5%)

Diskus:

  • Throat irritation (up to 22%)
  • Upper respiratory tract infection (up to 21%)
  • Headache (up to 14%)
  • Sinus infection (up to 10%)
  • Oral thrush (up to 9%)
  • Bronchitis (up to 8%)
  • Nausea and vomiting (up to 8%)
  • Fever (up to 7%)
  • Cough (up to 5%)
  • Muscle pain (up to 5%)

Less Common Side Effects

HFA (adults and children 12 years and older):

  • Runny or stuffy nose
  • Diarrhea
  • Indigestion
  • Stomach discomfort and pain
  • Muscle pain
  • Dizziness
  • Migraines
  • Fever

Diskus:

  • Runny or stuffy nose
  • Stomach discomfort and pain
  • Hoarseness
  • Bruising
  • Nosebleed
  • Teeth pain
  • Weight gain
  • Changes in appetite
  • Dizziness
  • Sleep problems
  • Acne

Flovent serious side effects

Contact your healthcare provider immediately if you experience any of the following.

  • Sudden narrowing of the airways: worsening trouble breathing, coughing, wheezing
  • Severe allergic reaction: rash, hives, swelling of the face or tongue, breathing problems
  • Other infections: fever, body aches, tiredness, vomiting, pain, chills, nausea
When do Flovent possible side effects begin and end?
Time passed since treatment started:
M
H
D
W
M
Throat irritation
Cough
Voice hoarseness
Risk of thrush
Risk of respiratory infections
If a line continues to the right, you'll likely keep experiencing this side effect once it starts.

Source: DailyMed

The following Flovent side effects have also been reported

Side effects that you should report to your care team as soon as possible:

Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome):

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