What causes itchy, swollen skin bumps in hot summer weather, and what should be done about it?
Itchy skin bumps during hot summer weather may be caused by miliaria (heat rash), eczema, folliculitis, or other conditions, and symptoms can be relieved with medication. Specific analyses are as follows:
1. Miliaria (Heat Rash)
Miliaria is usually caused by blockage of the sweat ducts due to prolonged exposure to hot and humid environments. After sweating, patients may develop numerous red bumps accompanied by itching and prickling pain. Under a doctor's guidance, patients may take medications such as levocetirizine hydrochloride tablets, loratadine tablets, or montelukast sodium chewable tablets.
2. Eczema
High temperatures during hot weather may trigger eczema in individuals with sensitive skin, leading to the aforementioned symptoms. Patients may use medications such as desonide cream, tacrolimus ointment, or mometasone furoate cream as directed by a physician.
3. Folliculitis
Excessive sweating in summer may damage hair follicles, making them prone to folliculitis. Inflammatory stimulation can lead to red papules or pustules, accompanied by itching and pain. Treatment options include topical medications such as ofloxacin gel, fusidic acid cream, or mupirocin ointment, used under medical supervision.
In addition, similar symptoms may also result from insect bite dermatitis, solar dermatitis, or papular urticaria. It is recommended to seek timely medical evaluation and receive standardized treatment.