PrescriptionGiant is a FREE prescription savings program that can save you up to 75% on your prescriptions with or without insurance!

Robitussin Cough and Cold Long-Acting (Generic Dextromethorphan)

Actual product appearance may differ slightly.

Click the CARD below to print or take a screenshot on your mobile phone or tablet. There is no need to download another app!

If you would like to personalize your card enter your full name in the member name field below the card at this link and click the Update button.


Why is this medication prescribed?

Dextromethorphan is primarily used as a cough suppressant. It is an over-the-counter medication commonly found in cough syrups and cold medications. Dextromethorphan works by affecting the cough center in the brain, reducing the urge to cough.

How should this medicine be used?

When using dextromethorphan, it’s essential to follow the recommended dosage and guidelines provided by your healthcare provider or as indicated on the medication packaging. Here are some general instructions:

  • Dosage: Follow the recommended dosage instructions on the medication label. Dosages may vary based on the specific formulation (e.g., syrup, tablets, capsules) and the concentration of dextromethorphan in the product.
  • Frequency: Take dextromethorphan as directed by your healthcare provider or as indicated on the product label. Typically, it is taken every 4 to 6 hours, but this can vary.
  • Administration: Dextromethorphan is usually taken orally. Ensure that you measure liquid formulations using the provided measuring device to avoid over- or under-dosage.
  • Food Interaction: Dextromethorphan can be taken with or without food. However, taking it with food may help reduce the likelihood of stomach upset.
  • Hydration: Drink plenty of fluids to stay hydrated, which can help soothe the throat and alleviate cough symptoms.
  • Duration of Use: Use dextromethorphan for the duration recommended by your healthcare provider or as indicated on the product label. Do not exceed the recommended dose or use it for an extended period without consulting a healthcare professional.

It’s important to note that dextromethorphan is just one component of many over-the-counter cough and cold medications. Always read the labels carefully to avoid accidentally taking multiple medications with the same active ingredient, as this can lead to an overdose.

If you have any questions or concerns about using dextromethorphan, it’s advisable to consult with a healthcare professional, especially if you have underlying health conditions, are pregnant, or are taking other medications that may interact with dextromethorphan.

Other uses for this medicine

While dextromethorphan is primarily used as a cough suppressant, it has also been investigated for its potential in managing other conditions. Some studies have explored its effects on conditions such as neuropathic pain, but additional research is needed before it can be widely recommended for these uses.

What special precautions should I follow?

Special precautions should be taken when using dextromethorphan, and it’s important to consult with a healthcare professional before using it, especially if you have any pre-existing health conditions. Here are some precautions to consider:

  • Allergies: Inform your healthcare provider if you are allergic to dextromethorphan or any other ingredients in the medication.
  • Medical Conditions: Let your healthcare provider know about any pre-existing medical conditions, especially if you have liver or kidney problems, respiratory issues, a history of substance abuse, or a persistent cough with underlying causes.
  • Medication Interactions: Dextromethorphan may interact with other medications, including certain antidepressants (monoamine oxidase inhibitors or MAOIs), causing a potentially serious condition called serotonin syndrome. Inform your healthcare provider about all medications, including prescription, over-the-counter, and herbal supplements, that you are taking.
  • Pregnancy and Breastfeeding: Consult with your healthcare provider before using dextromethorphan if you are pregnant or breastfeeding. The safety of dextromethorphan during pregnancy and lactation is not well-established, and it is important to weigh the potential benefits against the risks.
  • Age Considerations: Some formulations of dextromethorphan may not be suitable for use in young children. Always follow the age-specific recommendations provided on the medication label and consult with a healthcare professional if you have concerns about giving dextromethorphan to a child.
  • Alcohol: Avoid consuming alcoholic beverages while taking dextromethorphan, as it may enhance the sedative effects of the medication.
  • Driving and Operating Machinery: Dextromethorphan may cause dizziness or drowsiness. Avoid activities that require alertness, such as driving or operating heavy machinery, until you know how the medication affects you.

Always read the medication label and follow the instructions provided. If you experience any adverse effects or have concerns about using dextromethorphan, contact your healthcare provider for guidance.

What special dietary instructions should I follow?

Dextromethorphan is typically taken orally, and it can be taken with or without food. However, taking it with food may help reduce the likelihood of stomach upset. Ensure you stay well-hydrated, as this can help soothe the throat and alleviate cough symptoms.

What should I do if I forget a dose?

If you miss a dose of dextromethorphan, take it as soon as you remember. However, if it’s almost time for your next scheduled dose, skip the missed dose and resume your regular dosing schedule. Do not double up on doses to make up for a missed one. If you have any concerns about missed doses or if you accidentally take too much dextromethorphan, contact your healthcare provider or a poison control center for guidance.

What side effects can this medication cause?

Dextromethorphan is generally considered safe when used as directed, but like any medication, it can cause side effects in some individuals. Common side effects may include:

  • Dizziness: Dextromethorphan may cause dizziness or lightheadedness, especially when getting up from a sitting or lying position. Avoid activities that require alertness until you know how the medication affects you.
  • Drowsiness: Some people may experience drowsiness after taking dextromethorphan. This effect can be enhanced if the medication is taken with other substances that cause drowsiness, such as alcohol or certain medications.
  • Nausea or Upset Stomach: Dextromethorphan can occasionally cause gastrointestinal symptoms such as nausea or upset stomach.
  • Constipation: In some cases, dextromethorphan may lead to constipation.
  • Allergic Reactions: While rare, some individuals may experience allergic reactions to dextromethorphan. Seek medical attention if you notice symptoms such as rash, itching, swelling, severe dizziness, or difficulty breathing.
  • Serotonin Syndrome (Rare): When taken in excessive amounts or in combination with certain medications, dextromethorphan can lead to serotonin syndrome, a potentially serious condition. Symptoms may include confusion, hallucinations, seizure, extreme changes in blood pressure, increased heart rate, fever, excessive sweating, shivering or shaking, blurred vision, muscle spasm or stiffness, tremor, incoordination, stomach cramp, nausea, vomiting, and diarrhea. Seek immediate medical attention if you experience these symptoms.

It’s important to note that this is not an exhaustive list of side effects, and individual responses to medications can vary. If you experience any unusual or severe side effects while taking dextromethorphan, contact your healthcare provider promptly.

Additionally, if you are taking other medications, be aware of potential drug interactions, especially with medications that affect serotonin levels, as combining them with dextromethorphan can increase the risk of serotonin syndrome. Always consult with your healthcare provider if you have concerns about potential interactions or side effects.

What should I know about storage and disposal of this medication?

Storage and Disposal of Dextromethorphan:

  • Storage: Keep dextromethorphan in its original packaging and store it at room temperature away from moisture and heat. Follow any specific storage instructions provided on the medication packaging.
  • Childproofing: Store medications out of reach of children and pets, and consider using childproof containers.
  • Disposal: Dispose of unused or expired medications properly. Do not flush them down the toilet unless instructed to do so. Check with your local pharmacy or healthcare provider for guidance on proper disposal methods, such as community drug take-back programs.

In case of emergency/overdose

In case of emergency or overdose, contact your local poison control center at 1-800-222-1222 (in the United States) or your local emergency services immediately. Symptoms of dextromethorphan overdose may include confusion, hallucinations, seizure, extreme changes in blood pressure, increased heart rate, fever, excessive sweating, shivering or shaking, blurred vision, muscle spasm or stiffness, tremor, incoordination, stomach cramp, nausea, vomiting, and diarrhea.

What other information should I know?

  • Follow Instructions: Always follow the dosage and administration instructions provided by your healthcare provider or those on the medication label.
  • Avoid Alcohol: Avoid consuming alcoholic beverages while taking dextromethorphan, as it may enhance the sedative effects of the medication.
  • Driving and Machinery Operation: Be cautious when performing activities that require alertness, such as driving or operating heavy machinery, as dextromethorphan may cause dizziness or drowsiness.
  • Inform Healthcare Provider: Inform your healthcare provider about all medications, including prescription, over-the-counter, and herbal supplements, that you are taking to avoid potential interactions.
  • Medical Conditions: Inform your healthcare provider about any pre-existing medical conditions, especially liver or kidney problems, respiratory issues, a history of substance abuse, or any other conditions that may affect your response to the medication.
  • Pregnancy and Breastfeeding: Consult with your healthcare provider before using dextromethorphan if you are pregnant or breastfeeding to assess potential risks and benefits.
  • Allergic Reactions: Be aware of potential allergic reactions and seek medical attention if you experience symptoms such as rash, itching, swelling, severe dizziness, or difficulty breathing.

Always consult with your healthcare provider or pharmacist if you have any questions or concerns about the use of dextromethorphan.

Copyright © 2023 PrescriptionGiant.com