Merck & Co., Inc.

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Treatment Options

This chart lists some common allergy medicines.* Have you used any of these?

SINGULAIR is the only indoor and outdoor allergy medicine that blocks leukotrienes. Learn more about blocking leukotrienes.

Ask your doctor if SINGULAIR is right for you.

Tablets

Leukotriene blocker

  • SINGULAIR†
 Blocks chemicals called leukotrienes that cause allergy symptoms

Antihistamines

  • Allegra (fexofenadine)†
  • Benadryl (diphenhydramine)‡
  • Chlor-Trimeton (chlorpheniramine)‡
  • Clarinex (desloratadine)†
  • Claritin (loratadine)‡
  • Dimetapp (brompheniramine)‡
  • Zyrtec (cetirizine)‡
 Block a chemical called histamine that causes allergy symptoms

Decongestant

  • Sudafed (pseudoephedrine)‡
 Reduces swelling inside nose to help relieve stuffiness

Antihistamines + Decongestants

  • Actifed (pseudoephedrine, triprolidine)‡
  • Allegra-D (fexofenadine, pseudoephedrine)†
  • Claritin-D (loratadine, pseudoephedrine)‡
  • Zyrtec-D (cetirizine, pseudoephedrine)‡
 Combine a medicine to block histamine with a medicine to reduce swelling inside nose to help relieve stuffiness
Nasal sprays

Decongestant

  • Afrin (oxymetazoline)‡
 Reduces swelling inside nose to help relieve stuffiness

Steroid sprays

  • Flonase (fluticasone)†
  • Nasonex (mometasone)†
  • Rhinocort Aqua (budesonide)†
 Affect cells in the nose to reduce allergy symptoms
Immunotherapy or “allergy shots”
Gradually make you less sensitive to substances that trigger allergic reactions
*
Some of the medicines listed in this chart come in other forms and are also approved to treat other conditions.
†
The medicine is available only by prescription.
‡
The medicine is available over-the-counter.
 
SINGULAIR is a registered trademark of Merck & Co., Inc. Other brands listed are the trademarks of their respective owners and are not trademarks of Merck & Co., Inc.

SINGULAIR® (montelukast sodium) is a prescription medicine approved to help control asthma in adults and children as young as 12 months and to help relieve the symptoms of indoor and outdoor allergies (outdoor allergies in adults and children as young as 2 years, and indoor allergies in adults and children as young as 6 months).

IMPORTANT SAFETY INFORMATION

SINGULAIR should be taken once a day, as prescribed. SINGULAIR is available by prescription only.

Side effects are generally mild and vary by age, and may include headache, ear infection, sore throat, and upper respiratory infection. Side effects generally did not stop patients from taking SINGULAIR. SINGULAIR should not be taken by people who are sensitive to any of its ingredients.

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch, or call 1-800-FDA-1088.

For additional safety information, please see Patient Product Information.

This site is intended only for residents of the United States, its territories, and Puerto Rico.
SINGULAIR and MerckServices are registered trademarks of Merck & Co., Inc. MerckSource is a trademark of Merck & Co., Inc.
20853090(1)-02/09-SNG