Koffex DM Syrup

Uses, Side-effects, Reviews, and Precautions

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What is Koffex DM?

Koffex DM Syrup is used for Cough, Sinusitis and other conditions. Koffex DM Syrup may also be used for purposes not listed in this medication guide.
Koffex DM Syrup contains Dextromethorphan Hydrobromide as an active ingredient.
Koffex DM Syrup works by affecting the signals in the brain that trigger cough reflex.
Teva Canada manufactures Koffex DM Syrup.
Detailed information related to Koffex DM Syrup's uses, composition, dosage, side effects and reviews is listed below.

Koffex DM Syrup Uses

Koffex DM Syrup is used for the treatment, control, prevention, & improvement of the following diseases, conditions and symptoms:
References: 1
Learn more: Uses

Koffex DM Syrup Working, Mechanism of Action and Pharmacology

Koffex DM Syrup improves the patient's condition by performing the following functions:
References: 2

Koffex DM Syrup - Composition and Active Ingredients

Koffex DM Syrup is composed of the following active ingredients (salts)
Please note that this medicine may be available in various strengths for each active ingredient listed above.

Koffex DM Syrup - Side-effects

The following is a list of possible side-effects that may occur from all constituting ingredients of Koffex DM Syrup. This is not a comprehensive list. These side-effects are possible, but do not always occur. Some of the side-effects may be rare but serious. Consult your doctor if you observe any of the following side-effects, especially if they do not go away.
If you notice other side-effects not listed above, contact your doctor for medical advice. You may also report side-effects to your local food and drug administration authority.
References: 3
Learn more: Side-effects

Koffex DM Syrup - Precautions & How to Use

Before using Koffex DM Syrup, inform your doctor about your current list of medications, over the counter products (e.g. vitamins, herbal supplements, etc.), allergies, pre-existing diseases, and current health conditions (e.g. pregnancy, upcoming surgery, etc.). Some health conditions may make you more susceptible to the side-effects of the drug. Take as directed by your doctor or follow the direction printed on the product insert. Dosage is based on your condition. Tell your doctor if your condition persists or worsens. Important counseling points are listed below.
  • Asthma
  • Chronic bronchitis
  • Emphysema
  • Seek medical attention if you experience vomiting, hallucinationg, difficulty breathing, or changes in vision while taking this medication
  • Take according to directions on box
  • This medication will reduce your cough, but does not treat the underlying cause
References: 3, 3

Koffex DM Syrup - Drug Interactions

If you use other drugs or over the counter products at the same time, the effects of Koffex DM Syrup may change. This may increase your risk for side-effects or cause your drug not to work properly. Tell your doctor about all the drugs, vitamins, and herbal supplements you are using, so that you doctor can help you prevent or manage drug interactions. Koffex DM Syrup may interact with the following drugs and products:
  • Isocarboxazid
  • Monoamine oxidase inhibitors
  • Phenelzine
  • Selegiline
  • Tranylcypromine
References: 3
Learn more: Interactions

Koffex DM Syrup - Contraindications

Hypersensitivity to Koffex DM Syrup is a contraindication. In addition, Koffex DM Syrup should not be used if you have the following conditions:
References: 3
Learn more: Contraindications

Where to Buy Koffex DM Syrup

Click here to find nearby pharmacies/medical stores where you can buy Koffex DM Syrup.

Koffex DM Syrup - Frequently asked Questions

  • Is Koffex DM Syrup safe to consume or apply when pregnant?
    Please consult with your doctor for case-specific recommendations.
    References: 3
  • Is Koffex DM Syrup safe while breastfeeding?
    Please discuss the risks and benefits with your doctor.
    References: 3
  • Can Koffex DM Syrup be used for cough and sinusitis?
    Yes, cough and sinusitis are among the most common reported uses for Koffex DM Syrup. Please do not use Koffex DM Syrup for cough and sinusitis without consulting first with your doctor. Click here and view survey results to find out what other patients report as common uses for Koffex DM Syrup.
  • How long do I need to use Koffex DM Syrup before I see improvement of my conditions? website users have reported same day and 1 week as the most common time it takes before they saw improvements in their conditions. These times may not be reflective of what you may experience or how you should use this medicine. Please consult with your doctor to check how long do you need to use Koffex DM Syrup. Click here and view survey results to find out what other patients report as time for effectiveness for Koffex DM Syrup.
  • At what frequency do I need to use Koffex DM Syrup? website users have reported other and thrice a day as the most common frequency of using Koffex DM Syrup. Please follow your doctor's advice on how often you need to Koffex DM Syrup. Click here and view survey results to find out what other patients report as frequency of using Koffex DM Syrup.
  • Should I consume Koffex DM Syrup empty stomach, before food or after food? website users have most commonly reported consuming Koffex DM Syrup anytime. However, this may not be reflective of how you should consume this medicine. Please follow your doctor's advice on how you should use this medicine. Click here and view survey results to find out what other patients report as timing of using Koffex DM Syrup.
  • Is it safe to drive or operate heavy machinery when consuming?
    If you experience drowsiness, dizziness, hypotension or a headache as side-effects when using Koffex DM Syrup medicine then it may not be safe to drive a vehicle or operate heavy machinery. One should not drive a vehicle if using the medicine makes you drowsy, dizzy or lowers your blood-pressure extensively. Pharmacists also advise patients not to drink alcohol with medicines as alcohol intensifies drowsiness side-effects. Please check for these effects on your body when using Koffex DM Syrup. Always consult with your doctor for recommendations specific to your body and health conditions.
  • Is this medicine or product addictive or habit forming?
    Most medicines don't come with a potential for addiction or abuse. Usually, government's categorizes medicines that can be addictive as controlled substances. Examples include schedule H or X in India and schedule II-V in the US. Please consult the product package to make sure that the medicine does not belong to such special categorizations of medicines. Lastly, do not self-medicate and increase your body's dependence to medicines without the advice of a doctor.
  • Can it be stopped immediately or do I have to slowly ween off consumption?
    Some medicines need to be tapered or cannot be stopped immediately because of rebound effects. Please consult with your doctor for recommendations specific to your body, health and other medications that you may be using.

Other important Information on Koffex DM Syrup

Missing a dose

In case you miss a dose, use it as soon as you notice. If it is close to the time of your next dose, skip the missed dose and resume your dosing schedule. Do not use extra dose to make up for a missed dose. If you are regularly missing doses, consider setting an alarm or asking a family member to remind you. Please consult your doctor to discuss changes in your dosing schedule or a new schedule to make up for missed doses, if you have missed too many doses recently.
References: 4, 5, 6, 7

Overdosage of Koffex DM Syrup

  • Do not use more than prescribed dose. Taking more medication will not improve your symptoms; rather they may cause poisoning or serious side-effects. If you suspect that you or anyone else who may have overdosed of Koffex DM Syrup, please go to the emergency department of the closest hospital or nursing home. Bring a medicine box, container, or label with you to help doctors with necessary information.
  • Do not give your medicines to other people even if you know that they have the same condition or it seems that they may have similar conditions. This may lead to overdosage.
  • Please consult your physician or pharmacist or product package for more information.
References: 8, 9, 10

Storage of Koffex DM Syrup

  • Store medicines at room temperature, away from heat and direct light. Do not freeze medicines unless required by package insert. Keep medicines away from children and pets.
  • Do not flush medications down the toilet or pour them into drainage unless instructed to do so. Medication discarded in this manner may contaminate the environment. Please consult your pharmacist or doctor for more details on how to safely discard Koffex DM Syrup.
References: 11, 12, 13, 14

Expired Koffex DM Syrup

  • Taking a single dose of expired Koffex DM Syrup is unlikely to produce an adverse event. However, please discuss with your primary health provider or pharmacist for proper advice or if you feel unwell or sick. Expired drug may become ineffective in treating your prescribed conditions. To be on the safe side, it is important not to use expired drug. If you have a chronic illness that requires taking medicine constantly such as heart condition, seizures, and life-threatening allergies, you are much safer keeping in touch with your primary health care provider so that you can have a fresh supply of unexpired medications.
References: 15, 16

Dosage Information

Please consult your physician or pharmacist or refer to product package.

Questions - Koffex DM Syrup

No questions have been asked.

News and Updates

Latest news and updates related to Koffex DM Syrup. Subscribe to get latest posts via email or subscribe to a RSS feed.
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Koffex DM Syrup - Packages and Strengths

Koffex DM Syrup is available in the following packages and strengths
Koffex DM Syrup - Packages: 250ML 2L, 2L

Koffex DM Syrup - Manufacturers

The medicine is manufactured by the following companies

Koffex DM Syrup - Demographic Information


  1. Weber OW, Heveran JE. Automated, simultaneous determination of dextromethorphan hydrobromide, hyceryl guaiacolate, and phenylpropanolamine hydrochloride in cough syrups. J Pharm Sci. 1973 Jul;62(7): 1174-7. PMID 4714127
  2. Chou DT, Wang SC. Studies on the localization of central cough mechanism; site of action of antitussive drugs. J Pharmacol Exp Ther. 1975 Sep;194(3):499-505. PMID: 1159627
  3. MedLinePlus. Dextromethorphan. - Accessed: October 12, 2016.
  4. - Accessed: July 14, 2016.
  5. - Accessed: July 3, 2016.
  6. Cancer.Net (2014). - Accessed: July 3, 2016.
  7. Schachter, S.C., Shafer, P. O. &; Sirven, J.I. (2013). - Accessed: May 28, 2016.
  8. National Institute of Drug Abuse (2010). - Accessed: July 21, 2016.
  9. eMedicinehealth (2016). - Accessed: July 21, 2016.
  10. Centers for Disease Control and Prevention (2010). - Accessed: July 21, 2016.
  11. Centers for Disease Control and Prevention. December 12, 2011. - Accessed: June 10, 2016.
  12. The Center for Improving Medication Management and the National Council on Patient Information and Education. - Accessed: June 10, 2016.
  13. U.S. Food and Drug Administration. December 24, 2013. - Accessed: June 10, 2016.
  14. World Health Organization: - Accessed: July 1, 2016.
  15. Lyon, R. C., Taylor, J. S., Porter, D. A., et al. (2006) Stability profiles of drug products extended beyond labeled expiration dates. Journal of Pharmaceutical Sciences; 95:1549-60 - Accessed: July 3, 2016.
  16. Harvard Medical School (2016). - Accessed: May 1, 2016.

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APA Style Citation

  • Koffex DM Syrup - Uses, Side-effects, Reviews, and Precautions - Teva Canada - - Canada. (n.d.). Retrieved January 21, 2018, from

MLA Style Citation

  • "Koffex DM Syrup - Uses, Side-effects, Reviews, and Precautions - Teva Canada - - Canada" N.p., n.d. Web. 21 Jan. 2018.

Chicago Style Citation

  • "Koffex DM Syrup - Uses, Side-effects, Reviews, and Precautions - Teva Canada - - Canada" Accessed January 21, 2018.

Last updated date

This page was last updated on 1/11/2018.
This page provides information for Koffex DM Syrup in English.
Read Reviews » Koffex DM Syrup

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