Skip to main content

Drug Facts About Flonase Allergy Relief

Serious side effects are rare with FLONASE Allergy Relief because it works in your nose and barely any of it travels through your body. However, like all medicines, FLONASE Allergy Relief can cause side effects in some people.

Below are some side effects that have been reported with FLONASE. If you have any concerns about side effects, talk with your doctor.

SIDE EFFECTS
What Could Happen
What to Do

Allergic reaction to the product

  • Sudden swelling of the face or tongue
  • A rash
  • Wheezing or feeling faint

If you feel any of these symptoms, stop using FLONASE Allergy Relief and see a doctor right away.

Nose injury

  • Severe or frequent nosebleeds
  • Constant whistling sound that does not go away

Apply pressure to your nose. Stop using FLONASE Allergy Relief and see a doctor right away.

This could be a sign of damage to your nose. Stop using FLONASE Allergy Relief and see a doctor right away.

Eye conditions such as cataracts or glaucoma

  • Cloudy vision
  • Reduced vision

Have a yearly eye exam to check for these conditions. Read the Drug Facts on the back of the FLONASE Allergy Relief package for more details.

Growth effects

  • Slower growth rate in some children while using product

Talk to your child’s doctor if you are concerned or if your child is between 4 and 11 years of age and needs to use FLONASE Allergy Relief for longer than 2 months a year.

Other side effects

  • Headaches or sneezing
  • Bad taste or smell
  • Minor nosebleeds
  • Dry or irritated nose or throat

Talk to your doctor or pharmacist if you are concerned.

DOSING

Adults and Children 12 Years of Age and Older

  • Week 1—use 2 sprays in each nostril once daily
  • Week 2 through 6 months—use 1 or 2 sprays in each nostril once daily, as needed to treat your symptoms.
  • After 6 months of daily use—ask your doctor if you can keep using.

Children 4 to 11 Years of Age

  • An adult should supervise use
  • Use 1 spray in each nostril once daily
  • The growth rate of some children may be slower while using this product. Children should use for the shortest amount of time necessary to achieve symptom relief.
  • Talk to your child’s doctor if your child needs to use the spray for longer than 2 months a year.

Children Under 4 Years of Age

  • Do not use.

WARNINGS

FLONASE Allergy Relief should only be sprayed in the nose. Don’t spray it in the eyes or mouth.

You should tell your doctor about all of the medications you take, including FLONASE Allergy Relief.

FLONASE Allergy Relief can be used with most non-prescription and prescription medicines. However, there are a few medicines to look out for because they may cause the level of FLONASE Allergy Relief in your body to become too high. Just to be safe, check this table to see if you’re taking any of these medicines.

If You’re Taking
Here’s What to Do

Medicines for HIV infection (such as ritonavir)

Talk to your doctor or pharmacist before using
FLONASE Allergy Relief.

Medicines with glucocorticoids including some medicines for skin rash (such as eczema), asthma, inflammation, allergic reactions, or eye conditions

Talk to your doctor or pharmacist before using
FLONASE Allergy Relief.

Ketoconazole pills for fungal infection

Talk to your doctor or pharmacist before using
FLONASE Allergy Relief.

The following people should not use FLONASE or should check with a healthcare professional first before use.

If You
Here’s What to Do

Are younger than 4

Do not use FLONASE Allergy Relief.

Are pregnant or breast-feeding

Talk to a healthcare professional before using
FLONASE Allergy Relief.

Have or had glaucoma or cataracts

Talk to your doctor before using FLONASE Allergy Relief.

Have an injury or surgery to your nose that is not fully healed

Do not use FLONASE Allergy Relief.

Have ever had an allergic reaction to FLONASE or any of its ingredients

Do not use FLONASE Allergy Relief.

Are taking medicine for HIV infection (such as ritonavir)

Talk to your doctor or pharmacist before using
FLONASE Allergy Relief.

Are taking ketoconazole pills
(medicine for fungal infection)

Talk to your doctor or pharmacist before using
FLONASE Allergy Relief.

Are using a steroid medicine for asthma, allergies, skin rash, allergic reactions, inflammation, or eye conditions

Talk to your doctor or pharmacist before using
FLONASE Allergy Relief.

ALL ABOUT ALLERGIES

From living with allergies to knowing how to treat them, FLONASE has the information you need to lead a life not limited by allergies. See all articles >