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Quick summary

Type of medicine

Cough Syrup

Works by

Thinning and loosening mucus

Active Ingredient


Effective within

Varies by individual


No (Brand Name Medication)

Side effects

Nausea, Allergic Reactions

Medication details

Robitussin Chesty Cough 250ml is a cough syrup formulated to alleviate chesty or productive coughs. Chesty coughs are typically characterized by the presence of thick and sticky mucus (phlegm) in the airways. This syrup is designed to help thin and loosen the mucus, making it easier to expel through coughing. Robitussin Chesty Cough aims to provide relief and improve the comfort of individuals experiencing this type of cough.

Proper usage of Robitussin Chesty Cough is crucial for both safety and effectiveness. Here are the recommended directions for use:
Adults and Children over 12 Years:
Take one 5 ml spoonful.
Repeat the dose every 4 to 6 hours as needed.
Do not exceed four doses (20 ml) in 24 hours.
Children Aged 6 to 12 Years:
Take half a 5 ml spoonful (2.5 ml).
Repeat the dose every 4 to 6 hours as needed.
Do not exceed four doses (10 ml) in 24 hours.
Children Aged 2 to 6 Years:
Take a quarter of a 5 ml spoonful (1.25 ml).
Repeat the dose every 4 to 6 hours as needed.
Do not exceed four doses (5 ml) in 24 hours.
Do Not Use in Children Under 2 Years of Age.
Always use the provided measuring spoon or cup to ensure accurate dosing.


Understanding the active and inactive ingredients in Robitussin Chesty Cough is essential for safe and effective use.
Active Ingredients:
Guaifenesin (100 mg per 5 ml): Guaifenesin is an expectorant that works by thinning and loosening mucus in the airways. This active ingredient helps make it easier to clear mucus through coughing.
Inactive Ingredients: Robitussin Chesty Cough may contain various inactive ingredients, such as sorbitol solution (E420), glycerol (E422), sodium saccharin (E954), sodium benzoate (E211), and citric acid (E330). Individuals with allergies or sensitivities should check the product label for a complete list of inactive ingredients.

Side Effects

While Robitussin Chesty Cough is generally well-tolerated when used as directed, some individuals may experience side effects. Common side effects may include:
Nausea or Upset Stomach: Some individuals may experience mild gastrointestinal discomfort or nausea.
Allergic Reactions: Although rare, allergic reactions to any of the ingredients can occur. Seek immediate medical attention if you experience symptoms such as rash, itching, swelling, severe dizziness, or difficulty breathing.
If you experience severe or persistent side effects or any unusual reactions, discontinue use and consult a healthcare professional. It's essential to discuss any concerns about side effects or interactions with other medications with your healthcare provider.


Before using Robitussin Chesty Cough, consider the following warnings and precautions:
Allergies: If you have known allergies to any of the active or inactive ingredients in Robitussin Chesty Cough, do not use this medication. Allergic reactions can range from mild skin rashes to severe anaphylaxis, a potentially life-threatening condition.
Underlying Medical Conditions: If you have certain underlying medical conditions, such as liver or kidney disease, consult with a healthcare professional before using Robitussin Chesty Cough. These conditions may necessitate special considerations or adjustments in dosage.
Pregnancy and Breastfeeding: If you are pregnant or breastfeeding, consult with a healthcare professional before using Robitussin Chesty Cough. They can provide guidance on the safety of the medication during pregnancy or while nursing, taking into consideration potential risks and benefits.
Other Medications: If you are currently taking other medications or have recently taken any medication, consult with a healthcare provider before using Robitussin Chesty Cough to avoid potential interactions or duplications.

Medically reviewed and published

  • This page was medically reviewed by Dr Sohaib Imtiaz, Clinical Lead on Oct 11, 2023, 9:45 am

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Please read our FAQs page to find out more.

Can I use Robitussin Chesty Cough if I have a dry cough?

Robitussin Chesty Cough is specifically formulated for chesty or productive coughs characterized by thick mucus. If you have a dry cough, consider using a cough medication designed for dry cough relief, as this product may not be suitable for your condition.

Can I take Robitussin Chesty Cough along with other medications?

It's essential to consult with a healthcare professional or pharmacist before taking multiple medications simultaneously. They can assess potential interactions and provide guidance on the safe use of Robitussin Chesty Cough in combination with other medications.

How long can I use Robitussin Chesty Cough continuously?

Robitussin Chesty Cough is intended for short-term use to provide relief from chesty cough symptoms. If your cough persists for an extended period or worsens, consult with a healthcare provider for further evaluation and guidance. Prolonged use should be under medical supervision.

Can I give Robitussin Chesty Cough to my child under 6 years old?

No, Robitussin Chesty Cough is not recommended for children under 6 years of age. Always follow the age-specific dosage instructions provided on the product label and consult with a pediatrician for suitable alternatives for younger children.

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