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Heat rash, or miliaria, is a common skin condition in babies, especially during hot and humid weather. It occurs when sweat gets trapped under the skin due to blocked sweat glands, leading to tiny red or pink bumps, often accompanied by itching or discomfort.
In infants, heat rash typically appears on areas prone to sweating—such as the neck, back, chest, armpits, and diaper region. The rash may look like small blisters or pimples and can make the baby fussy or irritable, especially if the area becomes inflamed.
To treat heat rash, keep the baby’s skin cool and dry. Dress them in lightweight, breathable clothing and avoid overdressing. Move them to a cooler environment, and use a fan if needed. Gently bathe the baby in lukewarm water without soap or with mild, fragrance-free cleansers. Avoid using creams or ointments unless prescribed by a pediatrician.
Heat rash usually clears up on its own within a few days. If symptoms worsen or signs of infection appear, consult a doctor.
