"In an article published in the journal Archives of Disease in Childhood, two respiratory specialists claim that doctors are overdiagnosing asthma in children, with inhalers being prescribed needlessly.
According to Asthma UK, 1.1 mill"...
(fluticasone propionate) Inhalation Powder
The active component of FLOVENT DISKUS 50 mcg, FLOVENT DISKUS 100 mcg, and FLOVENT DISKUS 250 mcg is fluticasone propionate, a corticosteroid having the chemical name S-(fluoromethyl) 6α,9-difluoro-11β,17-dihydroxy-16α-methyl-3-oxoandrosta- 1,4-diene-17β-carbothioate, 17-propionate and the following chemical structure:
Fluticasone propionate is a white powder with a molecular weight of 500.6, and the empirical formula is C25H31F3O5S. It is practically insoluble in water, freely soluble in dimethyl sulfoxide and dimethylformamide, and slightly soluble in methanol and 95% ethanol.
FLOVENT DISKUS is an orange plastic inhaler containing a foil blister strip. Each blister on the strip contains a white powder mix of micronized fluticasone propionate (50, 100, or 250 mcg) in 12.5 mg of formulation containing lactose monohydrate (which contains milk proteins). After the inhaler is activated, the powder is dispersed into the airstream created by the patient inhaling through the mouthpiece.
Under standardized in vitro test conditions, FLOVENT DISKUS delivers 46, 94, and 229 mcg of fluticasone propionate from FLOVENT DISKUS 50 mcg, FLOVENT DISKUS 100 mcg, and FLOVENT DISKUS 250 mcg, respectively, when tested at a flow rate of 60 L/min for 2 seconds.
In adult subjects with obstructive lung disease and severely compromised lung function (mean FEV1 20% to 30% of predicted), mean peak inspiratory flow (PIF) through the DISKUS inhaler was 82.4 L/min (range: 46.1 to 115.3 L/min). In children with asthma aged 4 and 8 years, mean PIF through FLOVENT DISKUS was 70 and 104 L/min, respectively (range: 48 to 123 L/min).
The actual amount of drug delivered to the lung will depend on patient factors, such as inspiratory flow profile.
What are the possible side effects of fluticasone inhalation (Flovent Diskus, Flovent HFA)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using fluticasone and call your doctor at once if you have a serious side effect such as:
- weakness, tired feeling, nausea, vomiting, feeling like you might pass out;
- skin rash, bruising, severe tingling, numbness, pain, muscle weakness;
- blurred vision, eye pain, or seeing halos around lights;
- signs of infection such as fever, chills, sore throat, ear...
What are the precautions when taking fluticasone propionate (Flovent Diskus)?
Before using fluticasone, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients (such as lactose, milk proteins), which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: current/past infections (such as tuberculosis, herpes), certain eye problems (cataracts, glaucoma, herpes infection of the eye), bone loss (osteoporosis), liver disease.
This medication may mask signs of infection. It can make you more likely to get infections or may worsen any current infections. Therefore, wash your hands well to prevent the spread of infection. Avoid contact with...
Last reviewed on RxList: 4/29/2014
This monograph has been modified to include the generic and brand name in many instances.
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