Before using Flonase, tell your doctor if you are using antibiotics such as ketoconazole (Nizoral), or HIV medicines such as ritonavir (Norvir, Kaletra).

While using Flonase, tell your doctor if you have severe or ongoing nose bleed, vision problems, sores in the nose that won't heal, or if you have fever, chills, body aches, or flu symptoms. Shake the medicine bottle well just before each use. It may take up to several days of using this medicine before your symptoms improve. Tell your doctor if your symptoms do not improve after a week of treatment. Store Flonase in an upright position at room temperature, away from moisture and heat. Throw the medication away after you have used 120 sprays, even if there is still medicine left in the bottle.

Flonase can lower the blood cells that help your body fight infections. Avoid being near people who are sick or have infections. Call your doctor for preventive treatment if you are exposed to chicken pox or measles. These conditions can be serious or even fatal in people who are using Flonase.

Before using Flonase, tell your doctor if you have been sick or had an infection of any kind. You may not be able to use Flonase until you are well. Also tell your doctor if you are allergic to any drugs, or if you have:

• glaucoma or cataracts;
• liver disease;
• herpes simplex virus of your eyes;
• tuberculosis or any other infection or illness;
• sores or ulcers inside your nose;
• if you have recently had injury of or surgery on your nose.

FDA pregnancy category C. Flonase may be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment. It is not known whether fluticasone passes into breast milk or if it could harm a nursing baby. Do not use Flonase without telling your doctor if you are breast-feeding a baby.

Steroid medicines can affect growth in children. Talk with your doctor if you think your child is not growing at a normal rate while using Flonase.