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What Factors Affect Flonase® Dosage?

By Madeleine A.
Updated May 17, 2024
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Factors that affect Flonase® dosage include a patient's age, existing medication conditions, and current medications. These are general guidelines, however, and the physician will take into consideration other variables before deciding upon a medication dosage. Another factor affecting flonase® dosage is the severity of a patient's symptoms and whether side effects are present. If side effects occur, the medication dosage can be adjusted.

The typical adult starting Flonase® dosage is two sprays in each nostril daily. Flonase® is used to treat seasonal and perennial allergy symptoms. These may include runny nose, nasal congestion, and sneezing. Allergies also can cause itching of the nose, ears, eyes, and throat. This medication is available by prescription, however, there are over-the-counter nasal spray medications that can help relieve symptoms.

Seasonal allergies, which include hay fever, occur during certain times of the year, and perennial allergies typically occur anytime throughout the year. Allergies spur the immune system to react to a substance such as certain foods, medications, pollens, and molds. Some people have severe allergies that can cause serious symptoms such as swelling of the throat, eyes, lips, and tongue, as well as difficulty breathing. These allergic reactions are frequently the result of peanut allergies or allergies to insect bites.

Even at the recommended Flonase® dosage, side effects can occur. These side effects include sore throat, headache, nausea, vomiting, and nosebleed. In addition, burning or irritation of the nose and throat and cough can occur. Other less common side effects may include diarrhea, blood in nasal secretions, dizziness and bronchitis. Since Flonase® is a corticosteroid medication, steroid toxicity can occur. Signs of steroid toxicity include changes in the menstrual period, acne, weight gain, frequent infections, and unexplained stretch marks.

Allergic reactions can also occur at a modest Flonase® dosage. These include rash, itching, hives, and swelling. Women who are breastfeeding should talk to their doctors about taking this medication, because it may pass through breast milk. If the doctor deems that taking the medication is safe, the mother should still monitor her baby for side effects and call the pediatrician with any questions.

For people who cannot tolerate the effects of Flonase&reg, alternative treatments for allergies are available. These include over-the-counter oral antihistamines and decongestants. Side effects still can occur with these medications and may include drowsiness, dizziness, palpitations, and itchy skin. Even though these medications are available without a prescription, taking them should still be discussed with the health care provider to determine if they are an appropriate method of treatment.

WiseGeek is dedicated to providing accurate and trustworthy information. We carefully select reputable sources and employ a rigorous fact-checking process to maintain the highest standards. To learn more about our commitment to accuracy, read our editorial process.

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