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Medications and Drugs

Brand Names: Ah-Chew D, Dimetapp Cold Drops, Nasop, Nasop12, Sudafed PE, Sudafed PE Children's Nasal Decongestant, Sudafed PE Quick Dissolve, Sudogest PE, Triaminic Thin Strips Cold

Generic Name: phenylephrine (Pronunciation: FEN il EFF rin)

What is phenylephrine (Ah-Chew D, Dimetapp Cold Drops, Nasop, Nasop12, Sudafed PE, Sudafed PE Children's Nasal Decongestant, Sudafed PE Quick Dissolve, Sudogest PE, Triaminic Thin Strips Cold)?

Phenylephrine is a decongestant that shrinks blood vessels in the nasal passages. Dilated blood vessels can cause nasal congestion (stuffy nose).

Phenylephrine is used to treat nasal and sinus congestion, or congestion of the tubes that drain fluid from your inner ears, called the eustachian (yoo-STAY-shun) tubes.

Phenylephrine may also be used for purposes not listed in this medication guide.

What are the possible side effects of phenylephrine?

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 phenylephrine and call your doctor at once if you have a serious side effect such as:

Less serious side effects may include:

  • loss of appetite;
  • warmth, tingling, or redness under your skin;
  • feeling restless or excited (especially in children);
  • sleep problems (insomnia); or
  • skin rash or itching.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about phenylephrine?

Do not give this medication to a child younger than 4 years old. Always ask a doctor before giving a cough or cold medicine to a child. Death can occur from the misuse of cough and cold medicines in very young children.

Ask a doctor or pharmacist before using any other cough or cold medicine. Phenylephrine or other decongestants are contained in many combination medicines. Taking certain products together can cause you to get too much of a certain drug. Check the label to see if a medicine contains phenylephrine or a decongestant.

Do not use phenylephrine if you have used an MAO inhibitor such as furazolidone (Furoxone), isocarboxazid (Marplan), phenelzine (Nardil), rasagiline (Azilect), selegiline (Eldepryl, Emsam, Zelapar), or tranylcypromine (Parnate) in the last 14 days. A dangerous drug interaction could occur, leading to serious side effects.



Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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