Pseudoephedrine/ dexbrompheniramine/ dextromethorphan liquid

Generic Name: pseudoephedrine/dexbrompheniramine/dextromethorphan (SOO-doe-e-FED-rin/DEX-brome-fen-IR-a-meen/DEX-troe-meth-OR-fan)
Brand Name: M-END DMX

Pseudoephedrine/ dexbrompheniramine/ dextromethorphan liquid is used for:

Relieving sinus congestion, runny nose, sneezing, itchy nose or throat, itchy or watery eyes, and cough due to colds, upper respiratory infections, or allergies. It may also be used for other conditions as determined by your doctor.

Pseudoephedrine/dexbrompheniramine/dextromethorphan liquid is a nasal decongestant, antihistamine, and cough suppressant combination. The nasal decongestant works by constricting blood vessels and reducing swelling in the nasal passages. The antihistamine works by blocking the action of histamine, which helps reduce symptoms such as watery eyes and sneezing. The cough suppressant works in the brain to help decrease the cough reflex to reduce a dry cough.

Do NOT use pseudoephedrine/ dexbrompheniramine/ dextromethorphan liquid if:

  • you are allergic to any ingredient in pseudoephedrine/dexbrompheniramine/dextromethorphan liquid
  • you have severe or uncontrolled high blood pressure, severe heart blood vessel disease, fast heartbeat, or severe heart problems
  • you are unable to urinate or are having an asthma attack
  • you are taking abiraterone, droxidopa, or sodium oxybate (GHB), or you have taken furazolidone or a monoamine oxidase inhibitor (MAOI) (eg, phenelzine) within the last 14 days

Contact your doctor or health care provider right away if any of these apply to you.

Before using pseudoephedrine/ dexbrompheniramine/ dextromethorphan liquid:

Some medical conditions may interact with pseudoephedrine/dexbrompheniramine/dextromethorphan liquid. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:

  • if you are pregnant, planning to become pregnant, or are breast-feeding
  • if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
  • if you have allergies to medicines, foods, or other substances
  • if you have a history of adrenal gland problems (eg, adrenal gland tumor), heart problems (eg, fast, slow, or irregular heartbeat; heart disease), high or low blood pressure, low blood volume, diabetes, blood vessel problems, a stroke, glaucoma or increased pressure in the eye, thyroid problems, or trouble sleeping
  • if you have a history of asthma, chronic obstructive pulmonary disease (COPD), or other lung or breathing problems (eg, chronic bronchitis, emphysema, sleep apnea); chronic cough; or if your cough occurs with large amounts of mucus
  • if you have a history of stomach or bowel ulcers; a blockage of your stomach, bladder, or bowel; kidney problems; trouble urinating; or an enlarged prostate or other prostate problems
  • if you take medicine for high blood pressure

MEDICINES MAY INTERACT with pseudoephedrine/dexbrompheniramine/dextromethorphan liquid. Tell your health care provider if you are taking any other medicines, especially any of the following:

  • Digoxin or droxidopa because the risk of irregular heartbeat or heart attack may be increased
  • Abiraterone, beta-blockers (eg, propranolol), catechol-O-methyltransferase (COMT) inhibitors (eg, tolcapone), furazolidone, indomethacin, linezolid, MAOIs (eg, phenelzine), selective serotonin reuptake inhibitors (SSRIs) (eg, citalopram, fluoxetine), sodium oxybate (GHB), tricyclic antidepressants (eg, amitriptyline), or urinary alkalinizers (eg, sodium bicarbonate) because they may increase the risk of pseudoephedrine/dexbrompheniramine/dextromethorphan liquids side effects
  • Bromocriptine or hydantoins (eg, phenytoin) because their side effects may be increased by pseudoephedrine/dexbrompheniramine/dextromethorphan liquid
  • Guanadrel, guanethidine, mecamylamine, methyldopa, or reserpine because their effectiveness may be decreased by pseudoephedrine/dexbrompheniramine/dextromethorphan liquid

This may not be a complete list of all interactions that may occur. Ask your health care provider if pseudoephedrine/dexbrompheniramine/dextromethorphan liquid may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.

How to use pseudoephedrine/ dexbrompheniramine/ dextromethorphan liquid:

Use pseudoephedrine/dexbrompheniramine/dextromethorphan liquid as directed by your doctor. Check the label on the medicine for exact dosing instructions.

  • Pseudoephedrine/dexbrompheniramine/dextromethorphan liquid may be taken with or without food. If stomach upset occurs, take with food to reduce stomach irritation.
  • Use a measuring device marked for medicine dosing. Ask your pharmacist for help if you are unsure of how to measure your dose.
  • If you miss a dose of pseudoephedrine/dexbrompheniramine/dextromethorphan liquid and you are taking it regularly, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.

Ask your health care provider any questions you may have about how to use pseudoephedrine/dexbrompheniramine/dextromethorphan liquid.

Important safety information:

  • Pseudoephedrine/dexbrompheniramine/dextromethorphan liquid may cause dizziness, drowsiness, or blurred vision. These effects may be worse if you take it with alcohol or certain medicines. Use pseudoephedrine/dexbrompheniramine/dextromethorphan liquid with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it.
  • Do not drink alcohol while you are using pseudoephedrine/dexbrompheniramine/dextromethorphan liquid.
  • Check with your doctor before you use medicines that may cause drowsiness (eg, sleep aids, muscle relaxers) while you are taking pseudoephedrine/dexbrompheniramine/dextromethorphan liquid; it may add to their effects. Ask your pharmacist if you have questions about which medicines may cause drowsiness.
  • Do not take diet or appetite control medicines while you are taking pseudoephedrine/dexbrompheniramine/dextromethorphan liquid without checking with your doctor.
  • Pseudoephedrine/dexbrompheniramine/dextromethorphan liquid has a decongestant, antihistamine, or cough suppressant in it. Before you start any new medicine, check the label to see if it has a decongestant, antihistamine, or cough suppressant in it too. If it does or if you are not sure, check with your doctor or pharmacist.
  • Do not use pseudoephedrine/dexbrompheniramine/dextromethorphan liquid for a cough with a lot of mucus. Do not use it for a long-term cough (eg, caused by asthma, emphysema, or smoking). However, you may use it for these conditions if your doctor tells you to.
  • Do NOT take more than the recommended dose or use for longer than prescribed without checking with your doctor.
  • If new symptoms occur, or if cough or nasal congestion persists for more than 1 week, gets worse or returns, or occurs along with a fever, rash, or persistent headache, check with your doctor. A persistent cough may be a sign of a serious condition.
  • Pseudoephedrine/dexbrompheniramine/dextromethorphan liquid may cause you to become sunburned more easily. Avoid the sun, sunlamps, or tanning booths until you know how you react to pseudoephedrine/dexbrompheniramine/dextromethorphan liquid. Use a sunscreen or wear protective clothing if you must be outside for more than a short time.
  • Pseudoephedrine/dexbrompheniramine/dextromethorphan liquid may interfere with skin allergy tests. If you are scheduled for a skin test, talk to your doctor. You may need to stop taking pseudoephedrine/dexbrompheniramine/dextromethorphan liquid for a few days before the tests.
  • Tell your doctor or dentist that you take pseudoephedrine/dexbrompheniramine/dextromethorphan liquid before you receive any medical or dental care, emergency care, or surgery.
  • Use pseudoephedrine/dexbrompheniramine/dextromethorphan liquid with caution in the ELDERLY; they may be more sensitive to its effects, especially confusion, drowsiness, dizziness, dry mouth, nervousness, sleeplessness, and trouble urinating.
  • Caution is advised when using pseudoephedrine/dexbrompheniramine/dextromethorphan liquid in CHILDREN; they may be more sensitive to its effects, especially excitability.
  • Pseudoephedrine/dexbrompheniramine/dextromethorphan liquid should not be used in CHILDREN younger than 6 years old without first checking with the child's doctor; safety and effectiveness in these children have not been confirmed.
  • PREGNANCY and BREAST-FEEDING: If you become pregnant while taking pseudoephedrine/dexbrompheniramine/dextromethorphan liquid, contact your doctor. You will need to discuss the benefits and risks of using pseudoephedrine/dexbrompheniramine/dextromethorphan liquid while you are pregnant. It is not known if pseudoephedrine/dexbrompheniramine/dextromethorphan liquid is found in breast milk. Do not breast-feed while taking pseudoephedrine/dexbrompheniramine/dextromethorphan liquid.

Possible side effects of pseudoephedrine/ dexbrompheniramine/ dextromethorphan liquid:

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:

Anxiety; constipation; diarrhea; dizziness; drowsiness; dry mouth, nose, or throat; excitability; headache; loss of appetite; nausea; trouble sleeping; upset stomach; vomiting; weakness.

Seek medical attention right away if any of these SEVERE side effects occur:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); difficulty urinating or inability to urinate; fast or irregular heartbeat; fever, chills, or persistent sore throat; hallucinations; loss of coordination; mental or mood changes (eg, depression, nervousness); seizures; severe or persistent dizziness, drowsiness, light-headedness, or headache; severe dryness of mouth, nose, and throat; severe or persistent trouble sleeping; shortness of breath; tremor; unusual bruising or bleeding; unusual tiredness or weakness; vision problems (eg, double vision, severe or persistent blurred vision).

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.

If OVERDOSE is suspected:

Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately. Symptoms may include blurred vision; confusion; flushing; hallucinations; mental or mood changes; muscle spasms; seizures; severe dizziness, light-headedness, or headache; severe drowsiness; trouble breathing; unusually fast, slow, or irregular heartbeat; vomiting.

Proper storage of pseudoephedrine/dexbrompheniramine/dextromethorphan liquid:

Store pseudoephedrine/dexbrompheniramine/dextromethorphan liquid at room temperature, between 59 and 86 degrees F (15 and 30 degrees C). Store away from heat, moisture, and light. Do not store in the bathroom. Keep pseudoephedrine/dexbrompheniramine/dextromethorphan liquid out of the reach of children and away from pets.

General information:

  • If you have any questions about pseudoephedrine/dexbrompheniramine/dextromethorphan liquid, please talk with your doctor, pharmacist, or other health care provider.
  • Pseudoephedrine/dexbrompheniramine/dextromethorphan liquid is to be used only by the patient for whom it is prescribed. Do not share it with other people.
  • If your symptoms do not improve or if they become worse, check with your doctor.
  • Check with your pharmacist about how to dispose of unused medicine.

This information should not be used to decide whether or not to take pseudoephedrine/dexbrompheniramine/dextromethorphan liquid or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about pseudoephedrine/dexbrompheniramine/dextromethorphan liquid. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to pseudoephedrine/dexbrompheniramine/dextromethorphan liquid. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using pseudoephedrine/dexbrompheniramine/dextromethorphan liquid.

Issue Date: November 5, 2014
Database Edition 14.4.1.002
Copyright © 2014 Wolters Kluwer Health, Inc.

Disclaimer: This information should not be used to decide whether or not to take this medicine or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using this medicine.

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