The best ways to avoid (and treat) heat rash and sun poisoning, according to derms

NBC Selected independently determines what we cover and recommend. When you click on or buy through our links, we earn a commission. Learn more.WellnessHow to avoid and treat heat rash and sun poisoning, according to skin care expertsDerms explain how to recognize when you have a heat rash or sun poisoning and what you can do to ease the symptoms.July 22, 2026, 3:55 PM EDTCory FernandezCommerce EditorSkip to table of contentsIn this articleOur top picksWhat is heat rash and how is it different from a sunburn?How to treat and prevent heat rashThe best products for treating heat rash or preventing itHow to treat and prevent heat rash in infants and childrenWhat is sun poisoning and how is it different from a sunburn?How to treat and prevent sun poisoning and sunburnsThe best products for preventing sun poisoningFrequently asked questionsMeet our sun care expertsWhy trust NBC Selected?See 8 MoreJust about everyone knows how important it is to wear sunscreen when you’re outside, and particularly at the beach or pool, especially during peak hours. But sometimes, a regular application of sunblock on your face and body isn’t enough. Outside of treating a sunburn, it’s important to be able to recognize, treat and avoid other conditions, like heat rash and even sun poisoning. To find the best methods and treatments for heat rash and to learn how to actually know when a sunburn is actually sun poisoning, I spoke with dermatologists for their guidance and product recommendations. Plus, I also asked them about how to identify and treat these conditions in kids, too.Selected.Our top picksBest SPFBanana Boat Sport Ultra SPF 50 Sunscreen Lotion$undefined$11.52AmazonLearn moreBest for sweatJisulife Handheld Mini Fan$12.98$13.76AmazonLearn moreBest for itchinessCortizone 10 Maximum Strength Anti-Itch Cream with Aloe$7.97$8.97AmazonLearn moreBest for hydrationDripDrop Hydration Packets$17.99$19.99AmazonLearn moreSee 1 MoreRelatedselectedselectedThe best moisture-wicking socks for whe...