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Mackenzies Smelling Salts Eucalyptus and Ammonia 17ml

Mackenzies Smelling Salts Eucalyptus and Ammonia 17ml

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  • ✔️ Temporarily relieves blocked nose caused by colds and catarrh
  • ✔️ Combines eucalyptus oil and ammonia for dual-action nasal relief
  • ✔️ Compact 17ml bottle ideal for use at home or on the go
  • ✔️ No prescription required — available as a General Sale List medicine
  • ✔️ Suitable for adults and children over 3 months of age

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What Are Smelling Salts Eucalyptus Products Used For?

 

If you have ever struggled through a cold with a stubbornly blocked nose, you will know how miserable it can be. Smelling salts eucalyptus inhalation products like Mackenzies Smelling Salts Eucalyptus and Ammonia 17ml have been a trusted remedy in British households for generations — and for good reason. This small but effective bottle combines two active ingredients, eucalyptus oil and ammonia solution, to deliver fast-acting temporary relief from nasal congestion, catarrh, and the stuffiness that comes with colds and flu. You can browse the full range of cold and flu remedies at Cured Pharmacy if you are looking for additional support alongside this product.

Mackenzies has been a recognised name in UK pharmacy for many years. The 17ml bottle is compact enough to carry in a bag or pocket, making it a practical option whether you are at home, at work, or travelling. At £8.99, it represents straightforward, no-fuss relief without the need for a prescription.

 

How Does Mackenzies Smelling Salts Work?

 

The mechanism here is quite simple, but it works on two levels simultaneously. Ammonia vapour acts as a reflex stimulant to the respiratory mucous membranes — essentially triggering a sharp inhalation reflex that temporarily clears the nasal passages. Eucalyptus oil, meanwhile, contains cineole (also known as eucalyptol), a compound with recognised decongestant and mild anti-inflammatory properties that helps ease the sensation of a blocked nose.

  • Ammonia vapour stimulates the trigeminal nerve endings in the nasal mucosa, prompting a reflexive clearing response
  • Eucalyptus oil vapour interacts with cold-sensitive receptors (TRPM8 channels), creating a cooling, open sensation in the airways
  • Together, the two ingredients provide a combined decongestant and stimulant effect through inhalation alone
  • No systemic absorption occurs — the product works entirely via the inhaled vapour

 

Who Should Use Mackenzies Smelling Salts?

 

This product is suitable for adults and children over 3 months of age who are experiencing temporary nasal congestion. It is particularly useful for those who prefer non-medicated or non-spray options, or who want a quick, portable solution they can use discreetly throughout the day. It is not a treatment for underlying conditions — it provides symptomatic relief only.

  • Adults with nasal congestion due to colds, flu, or catarrh
  • Those seeking a non-spray inhalation alternative to decongestant nasal sprays
  • People who want a portable, easy-to-use remedy for on-the-go use
  • Individuals who prefer traditional, established pharmacy remedies

 

How Does Mackenzies Compare to Other Nasal Congestion Remedies?

 

Feature Mackenzies Smelling Salts Decongestant Nasal Spray (e.g. Xylometazoline)
Route of use Inhalation (vapour) Intranasal spray
Active ingredients Eucalyptus oil, Ammonia solution Xylometazoline hydrochloride
Risk of rebound congestion None known Yes, with use beyond 7 days
Suitable from 3 months of age Varies by product; often 6+ years

 

How Should You Store Mackenzies Smelling Salts?

 

Store the bottle below 25°C, away from direct sunlight and heat sources. Always replace the cap firmly after use — ammonia is a volatile compound and the product will lose potency if left open. Keep it out of reach of children and away from the eyes and broken skin at all times. If you are managing multiple symptoms during cold season, you might also find it helpful to explore ear, nose, and throat remedies at Cured Pharmacy for a broader approach to symptom relief.

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.

Mackenzies Smelling Salts Eucalyptus and Ammonia 17ml specifications
Treatment category Nasal congestion / Cold and flu symptomatic relief
Mechanism of action Ammonia vapour reflex stimulation; eucalyptus oil decongestant inhalation
Effective for Temporary relief of nasal congestion, catarrh, and stuffiness
Suitable for Adults and children over 3 months
Active ingredients Eucalyptus oil, Ammonia solution
Pack size 17ml
UK classification General Sale List (GSL)
Preparation Liquid inhalation solution
Route of administration Inhalation

Specifications of Mackenzies Smelling Salts Eucalyptus and Ammonia 17ml

 

What Is Mackenzies Smelling Salts and What Is It Used For?

 

Mackenzies Smelling Salts Eucalyptus and Ammonia is an over-the-counter inhalation product used to provide temporary symptomatic relief from nasal congestion. It is commonly used during colds, flu, and episodes of catarrh — conditions where the nasal passages become blocked or inflamed, making breathing through the nose uncomfortable. The NHS notes that most cold symptoms, including nasal congestion, typically resolve within 7 to 10 days, but remedies like this can make that period considerably more manageable.

The product is not a cure for any underlying infection. It works purely by inhalation of the combined eucalyptus and ammonia vapour, offering short-term relief without systemic drug absorption. It is classified as a General Sale List (GSL) medicine in the UK, meaning it can be purchased without a prescription.

 

What Do You Need to Know Before Using Mackenzies Smelling Salts?

 

Before using this product, read the following contraindications and warnings carefully:

  • Do not use if you are allergic to eucalyptus oil, ammonia, or any other ingredient in the product
  • Not recommended for infants under 3 months of age
  • Keep away from the eyes — ammonia vapour can cause significant eye irritation
  • Do not apply the liquid directly to the skin, particularly broken or sensitive skin
  • Use with caution if you have asthma or other respiratory conditions — strong inhalants may trigger bronchospasm in susceptible individuals
  • If you are pregnant or breastfeeding, consult your GP or pharmacist before use
  • Do not use near open flames — ammonia solution is flammable

Known drug interactions with this product are not well documented, as it acts locally via inhalation. However, if you are using other inhalation therapies (such as asthma inhalers), speak to your pharmacist before combining them. You can also explore sickness and nausea remedies if you are experiencing additional cold-related symptoms alongside congestion.

  • No significant systemic drug interactions are currently documented for topical/inhalation use at recommended doses
  • Use with caution alongside other strong inhalation products

 

How Should You Use Mackenzies Smelling Salts?

 

Using this product correctly is important both for effectiveness and safety. Follow these steps each time you use it:

  1. Remove the cap from the bottle carefully
  2. Hold the open bottle approximately 2–3 cm below one nostril — do not place it directly against your nose or skin
  3. Inhale gently and slowly through the nostril
  4. Repeat for the other nostril if needed
  5. Replace the cap firmly immediately after use to preserve potency
  6. Wash your hands if any liquid contacts your skin
Indication Age Group Dose Frequency
Nasal congestion / catarrh Adults 1–2 gentle inhalations per nostril As needed; not more than every 2–3 hours
Nasal congestion / catarrh Children over 3 months Brief inhalation, held at distance Under adult supervision; use sparingly

 

What Are the Possible Side Effects of Mackenzies Smelling Salts?

 

Side effects are uncommon when the product is used as directed. However, as with any inhalation product, some people may experience reactions — particularly if the bottle is held too close to the face or used excessively.

Common side effects:

  • Mild eye watering or irritation from ammonia vapour
  • Temporary stinging sensation in the nasal passages
  • Mild headache with prolonged or repeated inhalation

Less common side effects:

  • Skin irritation or redness if the liquid contacts the skin directly
  • Coughing or throat irritation, particularly in those with sensitive airways
  • Bronchospasm in individuals with asthma or reactive airway disease (rare)

Stop using the product and seek medical advice if you experience any breathing difficulties, severe skin reactions, or symptoms that worsen rather than improve. The NHS advises seeking urgent medical attention if you develop difficulty breathing or signs of a severe allergic reaction such as swelling of the face or throat.

 

How Should You Store Mackenzies Smelling Salts?

 

  • Store below 25°C in a cool, dry place away from direct sunlight
  • Always replace the cap tightly after each use to prevent evaporation of the ammonia
  • Keep out of reach and sight of children
  • Do not store near heat sources or open flames — the product contains flammable components
  • Do not use after the expiry date printed on the bottle
  • Dispose of responsibly — do not pour down the drain in large quantities

If you are building a home medicine cabinet for cold season, it is worth pairing this product with other essentials. You might find our first aid collection a useful starting point for stocking up on the basics.

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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 Mackenzies Smelling Salts online in the UK?

You can buy Mackenzies Smelling Salts Eucalyptus and Ammonia 17ml directly from Cured Pharmacy online for £8.99 with fast UK delivery. It is a General Sale List medicine, so no prescription is required. It may also be available in some independent high street pharmacies, though stock can vary.

How do Mackenzies Smelling Salts work in the body?

The ammonia vapour stimulates the trigeminal nerve endings in the nasal mucosa, triggering a reflex that temporarily clears the nasal passages. Eucalyptus oil contains cineole, which interacts with cold-sensitive receptors in the airways to create a decongestant, cooling sensation. No systemic absorption takes place — the effect is entirely local via inhalation.

How do I use Mackenzies Smelling Salts step by step?

Remove the cap and hold the bottle approximately 2–3 cm beneath one nostril — never place it directly against your skin or nose. Inhale gently and slowly, then repeat for the other nostril if needed. Replace the cap firmly straight away to prevent the ammonia from evaporating and to maintain the product's effectiveness.

What is the correct dose of Mackenzies Smelling Salts?

For adults, one to two gentle inhalations per nostril is sufficient, and this can be repeated as needed — but not more frequently than every two to three hours. For children over 3 months, use sparingly under adult supervision, holding the bottle at a greater distance from the face. Do not exceed the recommended usage frequency.

Are Mackenzies Smelling Salts safe for children?

Mackenzies Smelling Salts are not recommended for infants under 3 months of age. For children older than 3 months, the product can be used with caution under close adult supervision, keeping the bottle well away from direct contact with the face. If you are unsure whether this product is appropriate for your child, speak to your pharmacist before use.

Can I use Mackenzies Smelling Salts during pregnancy?

If you are pregnant or breastfeeding, you should consult your GP or pharmacist before using this product. While the inhalation route limits systemic exposure, both ammonia and eucalyptus oil should be used with caution during pregnancy as a precautionary measure. Your healthcare provider can advise on the safest options for managing nasal congestion during pregnancy.

What are the side effects of Mackenzies Smelling Salts?

When used as directed, side effects are uncommon but may include mild eye watering or irritation from the ammonia vapour, a temporary stinging sensation in the nasal passages, and mild headache with prolonged use. Less commonly, skin irritation can occur if the liquid contacts the skin directly. Stop use and seek advice from a pharmacist or GP if any side effects persist or worsen.

Who should not use Mackenzies Smelling Salts?

This product is not suitable for infants under 3 months, people with known allergies to eucalyptus oil or ammonia, or those with asthma or reactive airway conditions without prior pharmacist advice. It should also be avoided near open flames due to the flammable nature of the ammonia solution. Always read the label carefully before use.

How long can you use Mackenzies Smelling Salts for?

Mackenzies Smelling Salts are intended for short-term symptomatic relief only. If your nasal congestion or cold symptoms persist beyond 7 days without improvement, you should consult your GP or pharmacist to rule out a secondary infection such as sinusitis. Prolonged or excessive use of inhalation products is not recommended.

Can I use Mackenzies Smelling Salts if I have asthma?

If you have asthma or any other chronic respiratory condition, you should speak to your pharmacist or GP before using this product. Strong inhalants, including ammonia vapour, can potentially trigger bronchospasm in susceptible individuals. There may be more suitable alternatives available — your pharmacist can help you find the right option for your needs.

What are alternatives to Mackenzies Smelling Salts for nasal congestion?

Alternatives include saline nasal rinses or sprays, menthol-based steam inhalation products, and decongestant nasal sprays containing xylometazoline or oxymetazoline. You can browse a wide range of options in our cold and flu collection to find the most suitable remedy for your symptoms. Your pharmacist can also advise on the best choice based on your individual health history.

Does Mackenzies Smelling Salts interact with other medicines?

No significant systemic drug interactions are currently documented for Mackenzies Smelling Salts when used as directed via inhalation. However, if you are using other inhalation therapies — such as a preventer or reliever inhaler for asthma — it is sensible to check with your pharmacist before combining products. Always inform your pharmacist of all medicines you are currently taking.

What happens if I accidentally get Mackenzies Smelling Salts on my skin or in my eyes?

If the liquid contacts your skin, wash the affected area thoroughly with soap and water. If it gets into your eyes, rinse immediately with plenty of clean water for at least 10 minutes and seek medical advice if irritation continues. Do not rub your eyes, as this can worsen irritation from the ammonia solution.

How should I store Mackenzies Smelling Salts?

Store the bottle below 25°C in a cool, dry place away from direct sunlight and heat sources. Always replace the cap tightly after each use to prevent the ammonia from evaporating, which would reduce the product's effectiveness over time. Keep the bottle out of reach of children and away from open flames at all times.

Are there any recent studies on eucalyptus oil for nasal congestion?

Research into eucalyptus oil's active compound, cineole (eucalyptol), has shown it has anti-inflammatory and mucolytic properties that may support relief from upper respiratory tract congestion. Studies published in clinical respiratory journals have explored its role in conditions such as sinusitis and bronchitis, though most evidence supports its use as a symptomatic aid rather than a primary treatment. For the most up-to-date guidance, speak to your pharmacist or visit the ear, nose, and throat section of Cured Pharmacy for evidence-based product options.

How Should You Use Mackenzies Smelling Salts?

Using Mackenzies Smelling Salts correctly ensures you get the most from the product while keeping yourself safe. The bottle should never be placed directly against your nose or skin — the vapour alone is what provides the relief, and direct contact with the liquid can cause irritation.

Follow these steps each time you use the product:

What Is the Correct Dose of Mackenzies Smelling Salts?

There is no fixed measured dose for inhalation products of this type — the guidance is based on the number of inhalations and how frequently you use the product. One to two gentle inhalations per nostril is generally sufficient for adults to achieve symptomatic relief. Avoid excessive or prolonged inhalation in a single session.

When Is the Best Time to Use Mackenzies Smelling Salts?

You can use this product whenever nasal congestion is causing discomfort — there is no fixed time of day. Many people find it particularly helpful first thing in the morning when congestion tends to be at its worst, or before bed to help ease breathing during sleep. It is also convenient to use during the day at work or when travelling, given the compact size of the 17ml bottle.

Avoid using the product immediately before or after using other nasal inhalation therapies, and do not use it in enclosed spaces with poor ventilation, as the ammonia vapour can accumulate and cause irritation to others nearby.

How Long Can You Use Mackenzies Smelling Salts For?

This product is designed for short-term use during episodes of nasal congestion associated with colds, flu, or catarrh. Most cold-related congestion resolves within 7 to 10 days, and use of this product should align with that timeframe. If your symptoms have not improved after 7 days of use, or if they worsen at any point, stop using the product and consult your GP or pharmacist.

There is no evidence to support long-term daily use of ammonia-based inhalation products, and prolonged use is not recommended. If you find yourself relying on nasal inhalation products regularly, speak to your GP to investigate whether an underlying condition such as chronic sinusitis or allergic rhinitis may be contributing to your symptoms.

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 Mackenzies Smelling Salts?

When used as directed, Mackenzies Smelling Salts are generally well tolerated. The most common side effects are related to the irritant nature of ammonia vapour and tend to be mild and short-lived. They are more likely to occur if the bottle is held too close to the face or if the product is used more frequently than recommended.

  • Mild watering or stinging of the eyes from ammonia vapour
  • Temporary burning or stinging sensation inside the nasal passages
  • Mild headache following prolonged or repeated inhalation in a single session
  • Increased nasal discharge immediately after use

What Are the Less Common Side Effects of Mackenzies Smelling Salts?

Less commonly, some people may experience reactions that go beyond mild irritation. These are more likely in individuals with sensitive skin, pre-existing respiratory conditions, or those who use the product incorrectly — for example, by allowing the liquid to contact the skin directly.

  • Skin redness or irritation if the liquid contacts the skin
  • Throat irritation or coughing triggered by the inhaled vapour
  • Nausea in sensitive individuals following strong inhalation
  • Dizziness with excessive or prolonged inhalation

What Are the Serious Side Effects of Mackenzies Smelling Salts?

Serious side effects are rare when the product is used correctly, but they can occur in certain individuals. People with asthma or reactive airway disease are at higher risk of experiencing bronchospasm — a sudden tightening of the airways — following inhalation of ammonia vapour. This is a medical emergency and requires immediate attention.

Signs of a serious reaction include difficulty breathing, wheezing, chest tightness, swelling of the face, lips, or throat, or a severe skin reaction. If you experience any of these symptoms, stop using the product immediately and call 999 or go to your nearest A&E department.

What Should You Do If You Experience Side Effects?

For mild side effects such as eye watering or nasal stinging, simply move away from the product, allow fresh air to circulate, and the symptoms should resolve quickly on their own. If the liquid has contacted your skin, wash the area thoroughly with soap and water. If it has entered your eyes, rinse with clean water for at least 10 minutes.

For any side effect that persists, worsens, or causes you concern, stop using the product and speak to your pharmacist or GP. You should also report suspected side effects to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk.

Can Mackenzies Smelling Salts Interact With Other Medicines?

Because Mackenzies Smelling Salts work via local inhalation with no significant systemic absorption, formal drug interactions are not well documented. However, using this product alongside other inhalation therapies — such as asthma preventer or reliever inhalers — is not recommended without pharmacist guidance, as combined inhalation of multiple active vapours may increase the risk of airway irritation. Always inform your pharmacist of all medicines, supplements, and inhalation products you are currently using before starting a new remedy.

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

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Content last updated: 31 Mar 2025

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