Serious side effects include:

  • Fungal Infection in Mouth or Throat (Thrush): After using Flovent, it’s important to rinse your mouth with water without swallowing to reduce the risk of developing thrush. This is the most common side effect associated with Flovent.
  • Weakened Immune System and Increased Infection Risk (Immunosuppression): Flovent may weaken your immune system, making you more susceptible to infections.
  • Reduced Adrenal Function (Adrenal Insufficiency): Adrenal insufficiency can occur when transitioning from oral corticosteroid medicines (like prednisone) to an inhaled steroid (such as Flovent). It can worsen during stressful situations and may even be life-threatening. Symptoms include fatigue, nausea, low blood pressure, and weakness.
  • Serious Allergic Reactions: Seek immediate medical attention if you experience symptoms of a serious allergic reaction, such as rash, swelling of the face, mouth, or tongue, hives, or breathing difficulties.
  • Bone Thinning or Weakness (Osteoporosis): Prolonged use of Flovent can lead to bone thinning or weakness.
  • Slowed Growth in Children: Children using Flovent should have their growth regularly monitored by a healthcare provider.
  • Eye Problems: Regular eye exams are recommended while using Flovent to monitor for issues such as glaucoma, increased eye pressure, cataracts, or changes in vision.
  • Increased Wheezing (Bronchospasm): In some cases, increased wheezing may occur immediately after using Flovent. It’s important to have a rescue inhaler on hand to address sudden wheezing.

Common side effects of Flovent include:

  • Oral thrush
  • Upper respiratory tract infection
  • Diarrhea
  • Cough
  • Throat irritation
  • Difficulty speaking
  • Persistent cough
  • Headache
  • Sinus irritation
  • Please consult your doctor for medical advice regarding any side effects.

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