The initial symptoms of strongyloides hyperinfection syndrome may include fever, haemoptysis, and wheeze. A chest radiograph may reveal pulmonary infiltrates, which can represent a combination of oedema, haemorrhage, and pneumonitis.
As you bring the underlying hormonal disorder under control, you should see the dark patches fade. If your underarm skin remains dark, try applying over-the-counter topical creams containing lactic acid or glycolic acid, which can help to exfoliate the dark patches. Another cause of underarm darkening, especially in women with brown skin, relates to external assaults on the skin. For example, chemicals in underarm products, such as deodorants and antiperspirants, can produce an allergic or irritated reaction. Excessive rubbing can have a similar effect.
Underarm heat rash and sweat rash. Another common armpit skin rash cause is sweat rash which is primarily caused by blocked sweat ducts that âtrap perspiration under your skin. Symptoms range from superficial blisters to deep, red lumps â [mayoclinic.org].nderarm rash due to due to allergic reaction or contact dermatitis. Allergic reactions to various chemicals such as soap, shaving creams, body lotions, cosmetics, certain synthetic clothing material, fragrances, or detergents used to clean your clothes can cause rashes especially red itchy rashes.