Common Warts: Symptoms and Causes

Brant Radford
Common Warts: Symptoms and Causes

Most people will deal with a wart at some point in their life. For some, it is a small rough bump on the finger. For others, it is a stubborn lesion on the sole of the foot that hurts every time they walk.

Warts are common, contagious, and often misunderstood. Many people try home remedies for months before seeking help. Some disappear on their own. Others spread or become painful.

If you are considering wart treatment in Perth, it helps to understand what warts are, why they develop, and how to recognise the symptoms early.


What Are Common Warts?

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Common warts are small growths on the skin caused by the human papillomavirus (HPV). The virus enters the skin through tiny cuts or breaks. Once inside, it triggers rapid growth of skin cells in the outer layer.

Warts are not dangerous in most cases, but they can be uncomfortable, especially when they develop on weight-bearing areas like the feet.

There are different types of warts, including:

  • Common warts (usually on fingers or hands)

  • Plantar warts (on the soles of the feet)

  • Flat warts (smaller and smoother)

  • Filiform warts (long and thread-like)

In podiatry clinics, plantar warts are seen most often because they can become painful during walking.

If you are unsure whether a lesion is a wart or something else, professional assessment is important before starting any form of wart treatment in Perth.


Symptoms of Common Warts

Warts can look different depending on their location, but there are several common signs to watch for.

1. A Rough, Raised Bump

Most common warts feel firm and slightly raised. The surface may look grainy or cauliflower-like. They are usually skin-coloured but can also appear grey, brown, or slightly darker than the surrounding skin.

2. Black Pinpoint Dots

One of the tell-tale signs of a wart is the presence of tiny black dots. These are small clotted blood vessels within the wart tissue. People sometimes mistake them for dirt or seeds.

3. Thickened Skin on the Sole

Plantar warts grow inward because of pressure from standing and walking. They may look like a callus at first. When trimmed back, small dark dots often become visible.

4. Pain When Walking

Unlike warts on the hands, plantar warts can cause discomfort. Many patients describe the sensation as stepping on a small stone. The pain often increases when pressure is applied from the sides.

5. Spreading or Clustering

Warts can multiply. A single lesion may spread to nearby skin, forming a cluster sometimes referred to as a mosaic wart.

If you notice spreading lesions or increasing pain, it may be time to consider professional wart treatment in Perth rather than continuing with over-the-counter products.


What Causes Common Warts?

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The underlying cause of common warts is the human papillomavirus (HPV). There are many different strains of this virus, and certain types are responsible for skin warts.

Here is how infection usually happens.

1. Direct Skin Contact

Warts are contagious. They can spread through direct contact with someone who has a wart or through contact with contaminated surfaces.

Public swimming pools, gym showers, and communal change rooms are common places where the virus can spread, especially if you walk barefoot.

2. Small Breaks in the Skin

The virus needs an entry point. Tiny cuts, cracks, or softened skin can allow HPV to enter. This is why people with dry, cracked heels or athletes who experience frequent friction may be more vulnerable.

3. Weakened Immune Response

The immune system plays a big role in whether a wart develops. Some people are exposed to HPV but never develop a wart. Others develop several.

Children, teenagers, and individuals with weakened immune systems are more likely to develop warts.

4. Self-Spread

Warts can spread from one part of your body to another. Picking at a wart, shaving over it, or sharing towels can move the virus to nearby skin.

Understanding these causes is important. Prevention is always easier than repeated wart treatment in Perth.


Why Do Some Warts Last So Long?

One of the most frustrating things about warts is how stubborn they can be.

Some disappear within months. Others last for years.

There are a few reasons for this:

  • The virus lives in the top layer of skin, making it hard for the immune system to detect

  • Thick skin on the feet protects the wart

  • Incomplete treatment allows regrowth

  • Reinfection from nearby skin

Home treatments often fail because they do not penetrate deeply enough or are stopped too early.

This is why professional assessment can make a difference, especially for plantar warts that are painful or persistent.


When Should You Seek Treatment?

Not every wart needs immediate medical attention. However, you should consider professional advice if:

  • The wart is painful

  • It continues to grow

  • It spreads

  • It bleeds easily

  • You have diabetes or poor circulation

  • You are unsure whether it is a wart

Conditions such as corns, calluses, and even some skin cancers can resemble warts. Accurate diagnosis is essential before starting any form of wart treatment in Perth.


How Warts Are Diagnosed

In most cases, diagnosis is straightforward. A podiatrist will examine the lesion and may gently reduce thickened skin to look for the characteristic pinpoint bleeding or black dots.

The pattern of skin lines is also important. Normal skin lines usually run around a wart, not through it. This helps distinguish it from a callus.

If there is any uncertainty, referral for further investigation may be recommended.


Treatment Options Available

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There is no single treatment that works for every wart. The choice depends on location, size, depth, and patient health.

Common treatment options include:

Topical Treatments

These often contain salicylic acid, which gradually breaks down wart tissue. They require consistency and patience.

Cryotherapy

This involves freezing the wart with liquid nitrogen. The treated tissue gradually falls away as healthy skin replaces it.

Needling or Minor Surgical Procedures

In some cases, especially stubborn plantar warts, more advanced procedures may be recommended.

Immune-Based Treatments

Certain therapies aim to stimulate the immune system to recognise and fight the virus.

If you are exploring wart treatment in Perth, it is important to discuss expectations. Some warts require multiple sessions before clearing completely.


Can Warts Be Prevented?

While you cannot eliminate all risk, you can reduce your chances of developing or spreading warts by:

  • Wearing footwear in public showers and pools

  • Avoiding picking at lesions

  • Keeping feet clean and dry

  • Not sharing towels or footwear

  • Treating small cuts promptly

If you have already had warts, staying vigilant can help prevent recurrence.


Final Thoughts

Common warts are widespread and usually harmless, but that does not mean they should be ignored. On the feet, especially, they can become painful and interfere with everyday movement.

Understanding the symptoms and causes helps you act early. A small lesion is often easier to manage than a large, long-standing cluster.

If a wart is causing discomfort or not responding to home care, seeking professional wart treatment in Perth can save time and frustration. Proper diagnosis ensures you are treating the right condition, and structured care improves the chances of full resolution.

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