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Collomak is a topical fluid designed to soften skin for the treatment of various conditions, including warts, and calluses. This medication is generally provided through patient prescription but may be available for over-the-counter purchase in certain parts of the world. More information

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Collomak is a form of topical fluid used to soothe dry skin and get rid of verruca’s and warts. Collomak helps to prepare the skin so that calluses and other issues with skin on the feet and other dry areas of the body can be removed.  

What is Collomak? 

Collomak is a topical fluid designed to soften skin for the treatment of various conditions, including warts, and calluses. This medication is generally provided through patient prescription but may be available for over-the-counter purchase in certain parts of the world.  

Collomak works to soften the skin because it contains the active ingredient salicylic acid. This substance is used for the treatment of various conditions, including acne. Collomak and salicylic acid cause warts and dry skin to gradually peel away. You can also use Collomak for the treatment of other conditions too. However, this medications should never be used on the face, or on birthmarks, moles, or warts that have hair growing from them.  

Collomak’s active ingredient, salicylic acid is a form of keratolytic. This medication belongs to the same class of drugs as aspirin, and it works by increasing the amount of moisture in your skin. This substance can also dissolve the substance that causes skin cells to stick together, making it easier to shed warts and other issues. If warts are caused by a virus, then Collomak will not affect or cure the virus. You may need to use this medication in combination with other treatment options.  

If you’re unsure whether Collomak is a suitable treatment for you, then you can speak to your consultant about your condition for more advice.  

When is Collomak used? 

Collomak fluid is available for the treatment of numerous conditions, including dry and scaly skin, corns on the feet and fingers, and calluses. Collomak is most commonly prescribed for warts – disfiguring lumps or skin bumps that have an unusual structure. These skin conditions occur most often on the feet and hands.  

You may also be given Collomak for the treatment of corns and bunions – the more painful hard calluses that tend to occur around the edges of the feet, or at the sole of the foot. You can also get corns and bunions on your toes. These issues form most regularly at pressure points and can be caused by long periods of standing or walking.  

Collomak includes other ingredients aside from salicylic acid. Lactic acid in this medication helps to strengthen the performance of the salicylic acid so that you can get rid of the skin conditions you’re experiencing more quickly. At the same time, Collomak’s ingredient polidocanol offers pain relief for people who are having uncomfortable skin concerns. Sometimes, polidocanol can also relieve the itching around certain warts. When taken regularly, Collomak can help to get rid of warts and bunions faster and allow the skin to renew itself more quickly.  

How do you use Collomak? 

It is crucial to follow the instructions provided by your consultant when using Collomak. Make sure that you know how to take this medication before you begin using it. You can read the patient leaflet included with the liquid if you’re not certain or speak to a pharmacist. This substance is for use topically on the skin. It should not be used on the face, for birth marks, or for genital or anal warts.  

To begin using Collomak, make sure that you soak the callus, wart or corn to be treated in warm water for a period of at least five minutes to soften the area. Wash your hands and pat both the area to be treated and your hands dry. Your consultant may encourage you to use a callus file or pumice stone to remove any dead layers of skin after you have soaked your skin. This removal of dead skin will help the medication to work better.  

To avoid irritation, do not allow any Collomak to come into contact with your mouth, nose, eyes or groin. You should not use Collomak around any broken skin. If you do get Collomak into any sensitive areas, wash thoroughly with cold water.  

Once your skin is prepared, apply the liquid gel or a thin coat of the medication to cover the bunion, corn, callus or wart. You may have been given an applicator to help with this. Be careful only to apply your medication to the affected area and no surrounding skin. You may need to apply a second layer of medication after the first layer has dried for at least five minutes. Make sure that both layers of medication have dried before allowing the skin to come into contact with clothing or shoes. Do not cover the medication with a bandage.  

What dosages are there? 

Your dosage of Collomak, and how long you need to take the medication for will depend on a number of things, including your condition. Some people will be required to use Collomak for a period of up to 2 weeks for calluses and corners, or up to 12 weeks for warts. Your dosage will be explained to you by your doctor or consultant. Dosage can differ according to the brand available that you receive. Most commonly adults will be able to use this medication twice a day, once on the evening, and once on the morning. Children over the age of 12 may also be able to use Collomak.  

Do not use more of this medication than suggested. If you use more Collomak than necessary or apply it more often than you are told to do so then you could have a higher risk of dangerous side effects. Applying more medication will not cause your condition to get better any faster.  

Collomak will need to be used regularly for you to get the best benefit from it. You may be asked to take this medication at the same time each day to help you remember when to use it. If your condition worsens or persists after using Collomak regularly, or if you think that you are having a serious reaction, speak to a doctor.  

What are the side effects of Collomak? 

Collomak is a well-tolerated treatment for warts, calluses, bunions and corns. However, it is worth noting that different people respond in different ways to medications and treatments. There is a possibility that you may respond poorly to this medication and experience some unintended side effects.  

Notably, some of the common side effects of Collomak are expected, because they’re caused by the application of a new substance to your skin. Slight peeling of the skin, burning and redness around the application point is common, and should not cause concern. However, if the side effects worsen or persist, you may need to speak to a doctor about whether it’s safe for you to continue taking Collomak. Ensure that you seek medical attention as quickly as possible if any other unlikely, but serious reactions to Collomak occur, including: 

  • Increasing or spreading redness around the application point; 
  • Signs of an infection, including discharge; 
  • Formation of sores or ulcers at the treatment site. 

Serious allergic reactions to Collomak are rare, but you should get medical attention quickly if you notice symptoms of an allergic reaction. Allergic reactions can cause itching, rashes, swelling, and severe dizziness. You may also have trouble breathing, or issues with your tongue and throat swelling.  

When shouldn’t you use Collomak? 

Collomak is a useful treatment for warts and corns, as well as other skin conditions, however it will not be suitable for everyone. Before using this medication, you will need to answer any questions asked by your consultant as truthfully as possible. Make sure that your consultant is aware if you are allergic to any non-steroidal anti-inflammatory drugs, or salicylic acid. Your consultant should also know if you have any other allergies, as Collomak can contain non-active ingredients that sometimes cause allergic reactions too.  

Collomak is not suitable for people with certain medical conditions, including diabetes, or conditions that cause problems with poor blood circulation. Do not use Collomak if you have a skin infection. If you are going to have an MRI test, make sure that the testing personnel know if you are using the patch version of this medication, as it can cause burning in an MRI scanner.  

Caution is required when using this drug with the elderly, as they are more likely to have problems with side effects caused by blood circulation issues. You should also speak to your doctor if you are pregnant or planning on becoming pregnant before you use Collomak.  

Does Collomak interact with other medications? 

Collomak may cause dangerous side effects when combined with other medications. It is important to tell your consultant about any other substances that you are already taking before you begin to use Collomak. Before using this product, make sure that you tell your doctor about any other over-the-counter medications you are using, as well as prescription drugs and herbal supplements. 

It is particularly important to inform your consultant of other topical substances that you are using. If you are using another topical medicine or moisturizer at the same site of the application where you use Collomak, make sure that you ask your consultant how long you need to leave between using both options.  

Where can you buy Collomak? 

Collomak is available to purchase both online and offline, after a consultation with a professional. Our consultants will ask you important questions to determine whether this medication is suitable for your condition and medical background.  

Can I get Collomak without a prescription? 

Collomak may be available without a prescription in some areas. If you successfully complete a consultation with us, we can have Collomak sent to a local pharmacy for you within 3 working days.  

Sources, online, 2019, “Collomak” [Accessed 18th of December 2019], Available on:  

Marcin, Ashley, 29th of March 2016, Healthline, online “Is Salicylic Acid Safe for Skin Care During Pregnancy?”[Accessed 18th of December 2019], Available on:  

Mayoclinic, online, 2019, “Salicylic Acid (Topical Route)”, [Accessed 18th of December 2019], Available on: 

Assessed by:

Dr Imran Malik, General practitioner
Registration number: GMC: 4741365

Dr Imran Malik studied undergraduate medicine at King's College University in Central London and clinical studies at the prestigious King's College Hospital. He graduated with a MBBS degree in 2000 and went on to gain postgraduate memberships with the Royal Society of Medicine and also General Practice in 2006.