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Covonia Catarrh relief Formula 150ml

Covonia Catarrh relief Formula 150ml

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  • ✔️ Loosens and clears stubborn nasal mucus effectively
  • ✔️ Contains guaifenesin, a clinically established expectorant
  • ✔️ Suitable for adults and children aged 12 and over
  • ✔️ Oral liquid format — easy to take without swallowing tablets
  • ✔️ Provides symptomatic catarrh relief for up to 7 days

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What Is Covonia Catarrh Relief and How Does It Help?

 

If you've ever dealt with that thick, stubborn mucus that seems to sit at the back of your nose and throat no matter what you do, you'll know how draining catarrh can be. Covonia catarrh relief is an oral liquid medicine designed specifically to tackle this problem — helping to loosen and clear excess mucus so you can breathe more freely. Available without a prescription, it's a practical option for adults and children aged 12 and over who are struggling with nasal congestion linked to colds, sinusitis, or upper respiratory tract infections. You can browse our full range of ear, nose and throat remedies if you're looking for additional support alongside this product.

Catarrh is a common condition in the UK, particularly during the colder months. According to the NHS, it occurs when the mucous membranes lining the nose and throat become inflamed, often as a result of infection or allergy. The result? A persistent blocked or runny nose, a feeling of mucus dripping down the back of the throat, and sometimes a reduced sense of smell. Covonia Catarrh Relief Formula 150ml is formulated to address these symptoms directly.

 

How Does Covonia Catarrh Relief Formula Work?

 

The active ingredient in Covonia Catarrh Relief Formula is guaifenesin, a well-established expectorant used in many over-the-counter medicines. Here's how it works:

  • Guaifenesin increases the volume and reduces the viscosity (thickness) of secretions in the respiratory tract.
  • This makes mucus easier to move and clear from the nasal passages and airways.
  • The result is a reduction in that blocked, congested sensation that makes catarrh so uncomfortable.
  • Drinking plenty of fluids alongside the medicine helps guaifenesin work more effectively.

It's worth noting that guaifenesin doesn't suppress mucus production entirely — it simply makes what's already there easier to shift. That's an important distinction, because mucus itself plays a protective role in the body. The goal is to help your body clear it naturally, not to stop it altogether.

 

Who Should Use Covonia Catarrh Relief Formula?

 

This medicine is suitable for a fairly broad range of people, but it's not right for everyone. It's generally appropriate if you're experiencing catarrh symptoms related to a cold, mild sinusitis, or a similar upper respiratory condition. It is not a treatment for underlying allergies, though — if hay fever or allergic rhinitis is driving your symptoms, you may want to explore our allergy and hay fever range instead.

Covonia Catarrh Relief Formula is suitable for:

  • Adults aged 18 and over with catarrh symptoms
  • Young people aged 12–17 (under adult supervision)
  • Those with a blocked or runny nose due to a cold or upper respiratory infection
  • People who prefer an oral liquid format over tablets or capsules

 

How Does Covonia Catarrh Relief Compare to Other Catarrh Remedies?

 

Feature Covonia Catarrh Relief Formula 150ml Saline Nasal Rinse
Active ingredient Guaifenesin (expectorant) Sodium chloride (saline)
Route of administration Oral liquid Nasal irrigation
Suitable for age 12+ Yes Yes (with guidance)
Prescription required No — OTC No — OTC

 

Is Covonia Catarrh Relief Suitable to Store at Home?

 

Yes — Covonia catarrh relief is straightforward to store. Keep it below 25°C, away from direct sunlight, and out of reach of children. Once opened, check the label for any in-use storage guidance. Do not use the product after the expiry date printed on the bottle.

This product is a medicine. Speak to your doctor or pharmacist before using if you have an underlying medical condition or are taking other medicines.

Covonia Catarrh Relief Formula 150ml specifications
Treatment category Catarrh and nasal congestion relief
Mechanism of action Expectorant — thins and loosens mucus secretions
Effective for Catarrh, blocked nose, mucus congestion
Suitable for Adults and children aged 12 and over
Active ingredient Guaifenesin
Pack size 150ml
UK classification General Sale List (GSL)
Drug class Expectorant
Preparation Oral liquid
Route of administration Oral

Specifications of Covonia Catarrh Relief Formula 150ml

 

What Is Covonia Catarrh Relief Formula and What Is It Used For?

 

Covonia Catarrh Relief Formula 150ml is an over-the-counter oral liquid medicine used to relieve the symptoms of catarrh — that is, the excess mucus that builds up in the nasal passages and throat, often as a result of a cold or upper respiratory tract infection. The NHS describes catarrh as a build-up of mucus in the back of the nose, throat, or sinuses, and notes that it can be both acute (short-term) and chronic (long-lasting). This product is intended for short-term, symptomatic relief of acute catarrh.

The active ingredient, guaifenesin, is classified as an expectorant. It works by hydrating and thinning mucus, making it easier for your body to clear naturally. It does not treat the underlying cause of catarrh — whether that's a viral infection or inflammation — but it can make the experience significantly more manageable while your body recovers.

 

What Do You Need to Know Before Using Covonia Catarrh Relief Formula?

 

Before taking this medicine, read the following carefully. There are certain situations where this product may not be appropriate.

Do not use Covonia Catarrh Relief Formula if you:

  • Are under 12 years of age
  • Are allergic to guaifenesin or any other ingredient in the formula
  • Have been told by a doctor to avoid this type of medicine

Speak to your pharmacist or GP before use if you:

  • Are pregnant or breastfeeding
  • Have a chronic respiratory condition such as asthma or COPD
  • Have kidney or liver problems
  • Are taking any other medicines, including herbal remedies

Known drug interactions:

  • No significant interactions have been established at standard OTC doses, but always inform your pharmacist of all medicines you are taking

 

How Should You Use Covonia Catarrh Relief Formula?

 

Always use this medicine exactly as described on the label. If you're unsure about anything, your pharmacist is the best person to ask. Drinking plenty of water throughout the day will help the guaifenesin work more effectively by keeping mucus hydrated and easier to clear.

  1. Shake the bottle gently before use.
  2. Measure the correct dose using the measuring cup or spoon provided.
  3. Take the liquid orally — do not mix with other liquids unless advised.
  4. Repeat up to four times daily as directed, leaving adequate time between doses.
  5. Do not exceed the maximum daily dose stated on the label.
Indication Age Group Dose Frequency
Catarrh / nasal congestion Adults and children 12+ 10ml Up to 4 times daily
Catarrh / nasal congestion Under 12 years Not suitable

 

What Are the Possible Side Effects of Covonia Catarrh Relief Formula?

 

Like all medicines, Covonia Catarrh Relief Formula can cause side effects, although not everyone experiences them. Most people tolerate guaifenesin well at standard doses. If you're managing multiple symptoms at once — for example, if you're also dealing with a sore throat or headache — you might want to look at our cold and flu range for additional support.

Common side effects may include:

  • Nausea or stomach discomfort
  • Dizziness
  • Headache

Less common side effects may include:

  • Vomiting (particularly if the dose is too high)
  • Skin rash or allergic reaction — stop use immediately and seek medical advice if this occurs
  • Drowsiness in some individuals

If you experience any serious or unexpected reaction, stop taking the medicine and contact your GP or call NHS 111 for guidance.

 

How Should You Store Covonia Catarrh Relief Formula?

 

Proper storage helps maintain the quality and safety of the medicine. If you're keeping a well-stocked home medicine cabinet, it's also worth checking our first aid range for other essentials.

  • Store below 25°C in a cool, dry place
  • Keep away from direct sunlight and heat sources
  • Keep the bottle tightly closed when not in use
  • Keep out of the sight and reach of children
  • Do not use after the expiry date printed on the bottle
  • Do not dispose of medicines via wastewater or household waste — return unused medicine to your pharmacy

Written and reviewed by our qualified team

Your safety and success are our highest priorities. Our medical team rigorously evaluates every product and piece of advice we provide, ensuring you receive only the most effective, science-backed solutions available.

Frequently Asked Questions

Where can I buy Covonia Catarrh Relief Formula 150ml online in the UK?

You can buy Covonia Catarrh Relief Formula 150ml directly from Cured Pharmacy, a GPhC-registered UK online pharmacy, for just £8.99. It's available without a prescription and can be ordered quickly and discreetly. No GP visit required — simply add it to your basket and check out.

How does Covonia Catarrh Relief work in the body?

Covonia Catarrh Relief contains guaifenesin, an expectorant that works by thinning and loosening mucus in the nasal passages and airways. This makes it easier for your body to clear the mucus naturally, reducing that blocked, congested feeling. It doesn't suppress mucus production — it simply helps your body shift what's already there more efficiently.

How do I use Covonia Catarrh Relief step by step?

Shake the bottle, measure 10ml using the cup provided, and take it orally up to four times a day. Make sure you drink plenty of water throughout the day, as staying hydrated helps guaifenesin work more effectively. Always follow the instructions on the label and don't exceed the maximum daily dose.

What is the correct dose of Covonia Catarrh Relief for adults?

The recommended dose for adults and children aged 12 and over is 10ml taken up to four times daily. Space your doses evenly throughout the day and never take more than the stated maximum. If you're unsure whether the dose is right for you, speak to your pharmacist before starting.

What is the best time to take Covonia Catarrh Relief?

There's no single "best" time — the key is to spread your doses evenly across the day, up to four times in 24 hours. Many people find it helpful to take a dose in the morning when congestion tends to feel worst, and again before bed. Taking it with a full glass of water can also help the medicine work more effectively.

What are the side effects of Covonia Catarrh Relief and how do I manage them?

Side effects are uncommon but can include nausea, dizziness, or mild stomach discomfort. Taking the medicine with food or a large glass of water may help reduce any stomach upset. If you experience a skin rash, difficulty breathing, or any severe reaction, stop use immediately and contact your GP or call NHS 111.

Who is eligible to use Covonia Catarrh Relief Formula?

Covonia Catarrh Relief is suitable for adults and young people aged 12 and over who are experiencing catarrh symptoms related to a cold or upper respiratory infection. It is not suitable for children under 12. If you are pregnant, breastfeeding, or have an underlying health condition, speak to your pharmacist or GP before use.

Can I use Covonia Catarrh Relief if I am pregnant or breastfeeding?

You should speak to your GP or pharmacist before using Covonia Catarrh Relief if you are pregnant or breastfeeding. The safety of guaifenesin during pregnancy and lactation has not been fully established, so professional guidance is important. Your healthcare provider can recommend the safest option for your situation.

What happens if I miss a dose of Covonia Catarrh Relief?

If you miss a dose, simply take the next one when it's due — don't double up to make up for the missed dose. This medicine is taken as needed for symptom relief, so missing one dose is unlikely to cause any problems. Just continue with your regular schedule and stay well hydrated.

How long can you use Covonia Catarrh Relief for?

You should not use Covonia Catarrh Relief for more than 7 days without consulting a pharmacist or GP. If your symptoms persist beyond this point, worsen, or are accompanied by a high fever, it's important to seek medical advice. Prolonged catarrh can sometimes indicate an underlying condition that needs further investigation.

What are alternatives to Covonia Catarrh Relief for blocked nose?

Alternatives include saline nasal rinses, decongestant nasal sprays (such as xylometazoline), or steam inhalation. If your symptoms are allergy-related rather than infection-related, antihistamines or nasal corticosteroid sprays may be more appropriate — you can explore options in our allergy and hay fever range. Always speak to a pharmacist if you're unsure which product suits your symptoms best.

Can Covonia Catarrh Relief be taken with other cold and flu medicines?

Be cautious about combining Covonia Catarrh Relief with other cold and flu products, as some may also contain guaifenesin — taking both could lead to exceeding the recommended dose. Always check the ingredients of any other medicines you're taking and ask your pharmacist if you're unsure. You can also browse our cold and flu range for compatible products.

Is Covonia Catarrh Relief suitable for children under 12?

No — Covonia Catarrh Relief Formula is not suitable for children under 12 years of age. If your child is experiencing catarrh or nasal congestion, speak to your pharmacist or GP for age-appropriate alternatives. There are specific products designed for younger children that are safer and more appropriate for their needs.

Does Covonia Catarrh Relief contain alcohol or sugar?

For specific information about excipients such as alcohol or sugar content, refer to the patient information leaflet included with the product or check the product label carefully. If you have diabetes, a religious objection to alcohol, or a specific dietary requirement, speak to your pharmacist before use. They can confirm the full ingredient list for you.

What are the latest studies on guaifenesin for catarrh relief?

Guaifenesin has been used as an expectorant for decades and is well-established in clinical practice for thinning and loosening mucus secretions. While large-scale randomised controlled trials specifically on catarrh are limited, guaifenesin's mechanism of action is well understood and it remains a widely recommended OTC option by pharmacists across the UK. The BNF lists it as an accepted expectorant for use in adults and children aged 12 and over.

How Should You Use Covonia Catarrh Relief Formula?

Always use Covonia Catarrh Relief Formula exactly as described on the product label. If you have any doubts about whether this medicine is right for you, speak to your pharmacist before starting. Drinking plenty of fluids throughout the day is strongly recommended, as staying hydrated helps guaifenesin thin mucus more effectively and supports your body's natural clearing process.

What Is the Correct Dose of Covonia Catarrh Relief Formula?

The dose varies by age, and it is important not to exceed the maximum stated on the label. Children under 12 should not use this product under any circumstances. If you are unsure whether the dose is appropriate for your situation, your pharmacist can advise you before you begin treatment.

When Is the Best Time to Use Covonia Catarrh Relief Formula?

There is no single prescribed time of day — the key is to space your doses evenly across the day, taking up to four doses in any 24-hour period. Many people find that taking a dose first thing in the morning helps ease the congestion that often feels worst after a night's sleep, when mucus has had time to settle. A dose before bed can also be helpful, though you should ensure you leave enough time between your last two doses of the day.

How Long Can You Use Covonia Catarrh Relief Formula For?

Covonia Catarrh Relief Formula is intended for short-term use only. You should not use it for more than 7 consecutive days without speaking to a pharmacist or GP. If your symptoms haven't improved within this time — or if they worsen at any point — it's important to seek professional medical advice, as persistent catarrh can sometimes indicate an underlying condition such as sinusitis or nasal polyps that requires further assessment.

Do not exceed the recommended dose. If in doubt, speak to your pharmacist.

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What Are the Most Common Side Effects of Covonia Catarrh Relief Formula?

Most people who use Covonia Catarrh Relief Formula tolerate it well, and side effects are generally uncommon when the medicine is taken at the recommended dose. Guaifenesin, the active ingredient, has a well-established safety profile at standard OTC doses. That said, as with any medicine, some people may experience unwanted effects.

  • Nausea or mild stomach discomfort
  • Dizziness or light-headedness
  • Headache

Taking the medicine with a full glass of water or alongside food may help reduce the likelihood of stomach-related side effects. If nausea persists, stop use and speak to your pharmacist.

What Are the Less Common Side Effects of Covonia Catarrh Relief Formula?

Less commonly, some individuals may experience more noticeable reactions. These are not typical but are worth being aware of before you start using the product. If any of the following occur, stop taking the medicine and seek advice from a healthcare professional.

  • Vomiting — more likely if the dose is exceeded
  • Drowsiness in some individuals
  • Skin rash or itching
  • Urticaria (hives)

What Are the Serious Side Effects of Covonia Catarrh Relief Formula?

Serious side effects are rare but can occur. An allergic reaction (hypersensitivity) to guaifenesin or any other ingredient in the formula is the most significant risk. Signs of a serious allergic reaction include swelling of the face, lips, tongue or throat, difficulty breathing, a rapid heartbeat, or a sudden drop in blood pressure. These symptoms require immediate medical attention — call 999 or go to your nearest A&E department without delay.

What Should You Do If You Experience Side Effects of Covonia Catarrh Relief Formula?

For mild side effects such as nausea or headache, try taking the medicine with food and plenty of water. If the side effect is persistent or troublesome, stop use and speak to your pharmacist — they can advise whether you should continue or switch to an alternative. For any serious or unexpected reaction, stop the medicine immediately and contact your GP, call NHS 111, or in an emergency, call 999.

You can also report suspected side effects directly to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk. Reporting helps improve the safety information available for all medicines.

Can Covonia Catarrh Relief Formula Interact With Other Medicines?

No significant drug interactions have been established for guaifenesin at standard OTC doses. However, you should always tell your pharmacist about all medicines you are currently taking — including prescription medicines, over-the-counter products, and herbal remedies. Be particularly cautious about combining this product with other cold and flu medicines, as some may also contain guaifenesin, which could result in exceeding the recommended daily dose without realising it.

If you are concerned about any side effects, contact your pharmacist or GP immediately.

Patient Information Leaflet

Important - Before taking any medication, it is always important to read the Patient Information Leaflet (PIL)

Written and reviewed by our qualified team

GPhC Number: 2233073
Tarun Kumar

Reviewed by:

Tarun Kumar

Superintendent/ Clinical Lead

📖 Find out more about our team of medical content authors and how we ensure the accuracy of our content with our content guidelines.

Content last updated: 31 Mar 2025

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