phenylephrine (generic name)

Phenyl-T (brand name)

It is used to relieve a stuffy nose from allergies, colds, or sinus problems
(fen il EF rin)
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What is this medicine?

PHENYLEPHRINE (fen il EF rin) is a decongestant. It is used to relieve a stuffy nose from allergies, colds, or sinus problems.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of the following conditions:
  • diabetes
  • heart disease
  • high blood pressure
  • prostate problems
  • taken an MAOI like Carbex, Eldepryl, Marplan, Nardil, or Parnate in last 14 days
  • thyroid disease
  • trouble passing urine or change in the amount of urine
  • an unusual or allergic reaction to phenylephrine, other medicines, foods, dyes, or preservatives
  • pregnant or trying to get pregnant
  • breast-feeding

How should I use this medicine?

Take this medicine by mouth. Follow the directions on the prescription label. Shake well before using. Use a specially marked spoon or container to measure each dose. Ask your pharmacist if you do not have one. Household spoons are not accurate. Take your medicine at regular intervals. Do not take it more often than directed.

Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 2 years old for selected conditions, precautions do apply.

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

What may interact with this medicine?

Do not take this medicine with any of the following medications:
  • bromocriptine
  • cocaine
  • dihydroergotamine, ergotamine, ergoloid mesylates, methysergide, or ergot-type medication
  • MAOIs like Carbex, Eldepryl, Marplan, Nardil, and Parnate
  • other stimulant medicines

This medicine may also interact with the following medications:

  • anesthesia
  • medicines for blood pressure
  • medicines for mental depression

What should I watch for while using this medicine?

Visit your doctor for follow ups as directed. Tell your doctor or healthcare professional if your symptoms do not start to get better or if they get worse.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:
  • allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
  • breathing problems
  • chest pain
  • fast, irregular heartbeat
  • feeling faint or lightheaded, falls
  • pain, tingling, numbness in the hands or feet
  • trouble passing urine or change in the amount of urine
  • unusually weak or tired

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

  • difficulty sleeping
  • headache
  • nervousness
  • stomach upset, nausea

Where should I keep my medicine?

Keep out of the reach of children.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Protect from light. Throw away any unused medicine after the expiration date.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

Last Updated: July 24, 2009
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