I wouldn't: A three week old would get baby acne bases on age more often than heat rash. This process self clears over time & just needs to be kept clean. I find Calamine lotion is excessively drying and has very little use if any in modern treatment of skin problems.
Answered 7/3/2017
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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