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Sweat Rash (Prickly Heat)

image Sweat Rash (Prickly Heat)

Sweat rash, also known as prickly heat, heat rash or miliaria, is a very itchy and unpleasant condition that commonly occurs when we sweat a lot in hot and humid conditions. Excessive sweating can cause the sweat glands to become blocked with bacteria and dead skin cells, which stops them from emptying properly. This causes the sweat to get trapped under the skin, creating a spotty red, prickly rash.

The condition is common amongst athletes, the physically active and anyone sweating more than they usually do. Bad cases can lead to an imbalance of natural fungi on the skin, leading to candidal intertrigo (infected sweat rash). Prickly heat is also widespread in babies and young children because their sweat glands are less developed and more prone to blocking.

As heat rash is, in essence, an allergic reaction, taking an antihistamine can help reduce the chances of an outbreak. Antihistamines work by blocking the action of histamine, a substance released by the body as a reaction to allergens. The release of histamine begins a chain reaction that leads to the release of other chemicals that add to the allergic response, a typical result of which is itching.

An itch-reducing preparation, such as calamine lotion, can help calm the maddening urge to scratch. When the skin is sore and inflamed, a mild (1%) hydrocortisone cream will help soothe the irritation.

If you are prone to outbreaks of heat rash, using an antibacterial soap when you bath or shower is a good idea. It may help clear the pores and prevent the blockage that can lead to the sore, prickly skin associated with the condition.

If you would like further information on sweat rash, please visit our Sweat Rash Information page.
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Popular Products


Creams and Lotions

  • Calamine Lotions

    Calamine Lotions

    Calamine (a mixture of zinc oxide and iron oxide) has a cooling and soothing effect on the skin and is used to provide symptomatic relief from itching of the skin caused by sunburn, prickly heat and inflammation. Calamine also acts as a mild antiseptic and can help prevent infections caused by scratching.

Antibacterial Soaps

Other Products

  • A. Vogel Urtica Tincture 50ml

    A. Vogel Urtica Tincture 50ml

    A. Vogel Urtica Tincture captures the benefits of the Stinging Nettle, a common herb believed to be an excellent blood tonic and natural antihistamine. The antihistamine action in Urtica can benefit those with allergic conditions such as hayfever and prickly heat.

    (incl VAT)
    Buy any 3 or more A. Vogel products and save 5%
  • A. Vogel Echinacea Cream 35g

    A. Vogel Echinacea Cream 35g

    Containing both extracts of Echinacea purpurea and Viola tricolor, A. Vogel Echinacea Cream stimulates the natural immunity of the skin and acts as a disinfectant. It is also an anti-inflammatory that soothes and nourishes the skin.

    (incl VAT)
    Out of stock
    Buy any 3 or more A. Vogel products and save 5%

Further Information

  • Infected Sweat Rash

    Infected Sweat Rash

    Excessive sweating can lead to an overgrowth of Candida albicans, a fungus naturally present on the skin. This can lead to a fungal skin infection commonly referred to as infected sweat rash (candidal intertrigo). Common sweat rash can often lead to such a condition.