What is Deconex DMX and how is it used?
Deconex DMX is an over the counter medicine used to treat the symptoms of temporary relief of Nasal Congestion, Cough and Bronchial Irritation. Deconex DMX may be used alone or with other medications.
Deconex DMX belongs to a class of drugs called Cough/Cold, Non-Narcotic Combos; Antitussive/Decongestant/Expectorant Combos.
It is not known if Deconex DMX is safe and effective in children younger than 6 years of age.
What are the possible side effects of Deconex DMX?
Deconex DMX may cause serious side effects including:
- hives,
- difficulty breathing,
- swelling of your face, lips, tongue, or throat,
- nervousness,
- dizziness,
- sleeplessness,
- persistent cough,
- fever, and
- severe dizziness
Get medical help right away, if you have any of the symptoms listed above.
The most common side effects of Deconex DMX include:
- dizziness,
- headache,
- nausea,
- nervousness, and
- trouble sleeping
Tell the doctor if you have any side effect that bothers you or that does not go away.
These are not all the possible side effects of Deconex DMX. For more information, ask your doctor or pharmacist.
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
DESCRIPTION
Drug Facts
Active Ingredients
Dextromethorphan HBr 17.5 mg
Guaifenesin 385 mg
Phenylephrine HCl 10 mg
INDICATIONS
Purpose (in each tablet)
Uses
Temporarily relieves these symptoms due to the common cold, hay fever (allergic rhinitis) or other upper respiratory allergies:
- cough due to minor throat and bronchial irritation
- helps loosen phlegm (mucus) and thin bronchial secretions to drain bronchial tubes and make coughs more productive
- nasal congestion
- reduces swelling of nasal passages

QUESTION
Which illness is known as a viral upper respiratory tract infection? See AnswerDOSAGE AND ADMINISTRATION
Directions
Do not exceed recommended dosage.
Adults and children 12 years of age and over: 1 tablet every 4 hours, not to exceed 6 tablets in 24 hours.
Children 6 to under 12 years of age: ½ tablet every 4 hours, not to exceed 3 tablets in 24 hours.
Children under 6 years of age: Consult a physician.
HOW SUPPLIED
Other Information
Store at controlled room temperature between 15°-30°C (59°-86°F).
Supplied in a tight, light-resistant container with a child-resistant cap. Deconex DMX Tablets are orange, oblong, capsule-shaped, scored tablets, debossed "POLY" bisect "730" on one side and blank on the other side.
NDC 50991-738-90
Inactive Ingredients
FD&C Yellow No. 6, D&C Yellow No. 10, Magnesium Stearate, Microcrystalline Cellulose, Sodium Starch Glycolate.
Questions? Comments? Call 1-800-882-1041
Manufactured for: Poly Pharmaceuticals, Huntsville, AL 35763. 1(800) 882-1041. Revised: Jun 2016
SIDE EFFECTS
No information provided. Please see the WARNINGS AND PRECAUTIONS sections
DRUG INTERACTIONS
No information provided.

SLIDESHOW
Cold and Flu: Finding Relief for Your Cough See SlideshowWARNINGS
Included as part of the PRECAUTIONS section.
PRECAUTIONS
Do not exceed recommended dosage.
Do not use this product
- if you are now taking a prescription monoamine oxidase inhibitor (MAOI) (certain drugs for depression, psychiatric, or emotional conditions, or Parkinson's disease), or for 2 weeks after stopping the MAOI drug. If you do not know if your prescription drug contains an MAOI, ask a doctor or pharmacist before taking this product.
Ask a doctor before use if you have
- a cough that lasts or is chronic such as occurs with smoking, asthma, chronic bronchitis, or emphysema
- a cough that occurs with too much phlegm (mucus)
- heart disease
- high blood pressure
- thyroid disease
- diabetes
- trouble urinating due to an enlarged prostate gland
Stop use and ask a doctor if
- nervousness, dizziness, or sleeplessness occur
- cough or nasal congestion persists for more than 1 week, tends to recur, or is accompanied by a fever, rash, or persistent headache. A persistent cough may be a sign of a serious condition.
- new symptoms occur
If pregnant or breast feeding, ask a health professional before use.
Keep out of reach of children.
In case of overdose, get medical help or contact a Poison Control Center right away.
PATIENT INFORMATION
Do not exceed recommended dosage.
Do not use this product
- if you are now taking a prescription monoamine oxidase inhibitor (MAOI) (certain drugs for depression, psychiatric, or emotional conditions, or Parkinson's disease), or for 2 weeks after stopping the MAOI drug. If you do not know if your prescription drug contains an MAOI, ask a doctor or pharmacist before taking this product.
Ask a doctor before use if you have
- a cough that lasts or is chronic such as occurs with smoking, asthma, chronic bronchitis, or emphysema
- a cough that occurs with too much phlegm (mucus)
- heart disease
- high blood pressure
- thyroid disease
- diabetes
- trouble urinating due to an enlarged prostate gland
Stop use and ask a doctor if
- nervousness, dizziness, or sleeplessness occur
- cough or nasal congestion persists for more than 1 week, tends to recur, or is accompanied by a fever, rash, or persistent headache. A persistent cough may be a sign of a serious condition.
- new symptoms occur
If pregnant or breast feeding, ask a health professional before use.
Keep out of reach of children.
In case of overdose, get medical help or contact a Poison Control Center right away.
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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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