Deconex IR

Last reviewed on RxList: 9/24/2019
Deconex IR Side Effects Center

Medical Editor: John P. Cunha, DO, FACOEP

Last reviewed on RxList 9/24/2019

Deconex IR (guaifenesin, phenylephrine hydrochloride tablet) is a combination of an expectorant, and a nasal decongestant indicated to temporarily relieves the following symptoms due to the common cold, hay fever (allergic rhinitis) or other upper respiratory allergies: helps loosen phlegm and thin bronchial secretions to make coughs more productive, nasal congestion, runny nose, sneezing, itching of the nose or throat, and itchy, watery eyes. Deconex IR is available over-the-counter (OTC). Common side effects of Deconex IR include:

  • headache,
  • nausea,
  • stomach upset,
  • loss of appetite,
  • dizziness,
  • drowsiness,
  • diarrhea,
  • trouble sleeping (insomnia),
  • nervousness,
  • anxiety,
  • excitability, or
  • irritability.

The dose of Deconex IR for adults and children 12 years of age and over is 1 tablet every 4 hours, not to exceed 6 tablets in 24 hours. The dose of Deconex IR for children 6 to under 12 years of age is ½ tablet every 4 hours, not to exceed 3 tablets in 24 hours. Deconex IR may interact with monoamine oxidase inhibitors (MAOIs). Tell your doctor all medications and supplements you use. Tell your doctor if you are pregnant or plan to become pregnant before using Deconex IR. Consult your doctor before breastfeeding.

Our Deconex IR (guaifenesin, phenylephrine hydrochloride tablet) Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.

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.

QUESTION

The common cold is one of the most common illnesses in the world. See Answer
Deconex IR Consumer Information

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Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Stop using guaifenesin and phenylephrine and call your doctor at once if you have:

  • fast, pounding, or uneven heartbeat; or
  • severe anxiety or nervousness.

Common side effects may include:

  • dry mouth, nose, or throat;
  • upset stomach, loss of appetite, vomiting;
  • feeling excited or restless (especially in children);
  • sleep problems (insomnia); or
  • headache, dizziness.

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.

Read the entire detailed patient monograph for Deconex IR (Guaifenesin and Phenylephrine Hcl)

SLIDESHOW

Natural Remedies for Cold and Flu See Slideshow
Deconex IR Professional Information

SIDE EFFECTS

No information provided. Please see the WARNINGS AND PRECAUTIONS sections

Read the entire FDA prescribing information for Deconex IR (Guaifenesin and Phenylephrine Hcl)

© Deconex IR Patient Information is supplied by Cerner Multum, Inc. and Deconex IR Consumer information is supplied by First Databank, Inc., used under license and subject to their respective copyrights.

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