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Can you buy magnesium sulphate paste over the counter? A comprehensive guide

4 min read

According to reputable online pharmacies, magnesium sulphate paste is widely available over-the-counter (OTC) and can be purchased without a prescription. This 'drawing ointment' is a common staple for first aid kits, used to help treat minor skin infections and draw out impurities.

Quick Summary

Magnesium sulphate paste is an OTC topical treatment used to draw out boils, abscesses, and embedded splinters. It works by using osmosis to draw moisture from inflamed areas, reducing swelling.

Key Points

  • OTC Availability: Magnesium sulphate paste is commonly available over-the-counter at pharmacies and online in many regions.

  • Drawing Action: It functions as a 'drawing paste,' using osmosis to pull moisture and impurities out of the skin.

  • Common Uses: It is used for treating minor infections like boils, carbuncles, and drawing out splinters or inflamed ingrown hairs.

  • Topical Application Only: The paste should only be applied to intact skin and covered with a sterile dressing.

  • Avoid Open Wounds: Do not use the paste on broken skin or large, deep wounds, as this can cause irritation.

  • Professional Guidance: If a minor issue does not improve or appears severe, consult a doctor or pharmacist for advice.

In This Article

Over-the-counter availability of magnesium sulphate paste

Yes, in many countries, including the United Kingdom, Australia, and Canada, you can buy magnesium sulphate paste over the counter. It is readily available in physical pharmacies, online pharmacies, and through major online retailers like Amazon. Its status as a non-prescription medicine makes it a popular choice for treating minor skin complaints at home. However, it's always wise to check with a pharmacist or read the product information carefully before use, especially if you have existing health conditions or are unsure about the nature of your skin issue.

What is magnesium sulphate paste and how does it work?

Magnesium sulphate paste, often referred to as a 'drawing paste,' is a topical ointment formulated to help with minor skin infections and swelling. Its primary ingredients are typically dried magnesium sulphate (Epsom salt) and glycerol.

The mechanism of action

The paste works primarily through an osmotic effect. The dried magnesium sulphate has a high affinity for water, and the glycerol helps retain moisture. When applied to an inflamed area, this combination draws out fluid and impurities, such as pus, from the skin. This action helps to:

  • Bring boils, abscesses, and other minor infected spots to a head.
  • Reduce localized swelling and inflammation.
  • Bring small foreign bodies, like splinters, closer to the surface for easier removal.

Common uses for topical magnesium sulphate

Magnesium sulphate paste is a versatile first-aid product for a range of superficial skin issues. Its main applications include:

  • Boils and Carbuncles: Helping to draw out the pus and infection, speeding up the resolution of the boil.
  • Splinters and Thorns: Facilitating the natural extraction of embedded foreign bodies by drawing them to the skin's surface.
  • Inflamed Ingrown Hairs: Reducing inflammation and assisting in the removal of the trapped hair.
  • Minor Abscesses and Cysts: Aiding in the drainage of pus from small, superficial abscesses or inflamed cysts.
  • Minor Insect Bites and Stings: Reducing localized swelling and discomfort.

Comparing OTC magnesium sulphate with alternatives

While magnesium sulphate paste is a tried-and-tested remedy, other topical options and traditional alternatives exist. Understanding the differences can help you choose the right product for your needs.

Feature Magnesium Sulphate Paste Ichthammol Salve (Black Ointment)
Main Ingredients Dried Magnesium Sulphate and Glycerol Ichthammol (a sulfurous tar derivative)
Primary Mechanism Osmotic 'drawing' effect by attracting moisture Promotes drainage and acts as a mild antiseptic
Appearance Thick, white to off-white paste Thick, dark, sticky ointment
Staining Can stain clothing, but generally less than Ichthammol Notoriously stains clothing and skin due to tar base
Common Uses Boils, carbuncles, splinters, minor abscesses Boils, splinters, bites, and traditional uses in veterinary medicine
Scientific Evidence Supported by understanding of osmosis, though considered a traditional remedy Considered a traditional folk remedy with limited clinical evidence

How to safely use and apply the paste

Following the correct application procedure is key to the paste's effectiveness and safety:

  1. Clean the area: Wash and dry the affected skin and surrounding area thoroughly.
  2. Apply the paste: Stir the paste in its container if it appears separated. Using a clean utensil, apply a generous layer (about 5mm thick) directly onto the skin.
  3. Cover the area: Place a sterile, non-adhesive dressing or gauze pad over the paste to keep it in place and prevent it from drying out. Secure it with tape or a bandage.
  4. Change the dressing: Replace the dressing and reapply fresh paste every 12 to 24 hours. You can leave it on overnight if covered securely.
  5. Monitor the area: Watch for signs of improvement. If there's no progress or if the infection worsens, stop using the paste.

Important precautions and warnings

While generally safe for minor issues, there are important precautions to observe:

  • Do not use on broken skin: The paste should only be applied to intact skin. Applying it to open wounds can cause significant irritation and may not be effective.
  • Watch for allergic reactions: Discontinue use and consult a healthcare professional if you experience skin irritation, redness, or itching.
  • Know when to see a doctor: Do not use the paste for serious or deep infections. Seek immediate medical attention if you experience spreading redness, significant pain, fever, or if the infection is deep-seated, as it may require antibiotics.
  • Avoid certain conditions: The paste is not suitable for conditions like eczema, as it can be too drying and cause further irritation.

Conclusion

Magnesium sulphate paste is a widely available and effective over-the-counter remedy for minor skin ailments such as boils, splinters, and small abscesses. Its osmotic 'drawing' action makes it a valuable addition to any first-aid kit for superficial infections. By following the correct application techniques and observing safety precautions, most individuals can use it effectively at home. For more persistent, severe, or widespread infections, it is crucial to consult a healthcare professional for appropriate treatment. When in doubt, a pharmacist can provide guidance on whether magnesium sulphate paste is the right option for your specific skin complaint. https://www.mypharmacy.co.uk/magnesium-sulphate-paste-your-questions-answered/

Frequently Asked Questions

While both contain magnesium sulphate, they are not the same. Epsom salt is typically used for baths or oral consumption as a laxative, whereas the paste is a topical formula with glycerol specifically for drawing out impurities from the skin.

The paste typically starts working within a few hours, but a noticeable effect, such as a boil coming to a head, may take one to two days. The time varies depending on the severity of the infection.

Yes, it is common practice to apply the paste and leave it on overnight. For best results, cover the area with a secure dressing to keep the paste from drying out.

No, it should not be applied to open or broken skin. It is designed for use on intact skin to draw out pus and impurities from beneath the surface, not to treat exposed wounds.

Magnesium sulphate paste is available over the counter at most pharmacies and can be purchased from online pharmacies and major retailers like Amazon in many countries.

Yes, like all medicinal products, magnesium sulphate paste has an expiration date. Always check the packaging and store it in a cool, dry place for maximum effectiveness.

While it may help draw out superficial, inflamed cysts, it is not a primary treatment for cystic acne. It's best to consult a healthcare professional for a more appropriate and long-term acne treatment plan.

References

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Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.