Heat Rash vs. Sun Poisoning: What’s Causing Your Skin Problem?

Summer’s here, and so is the sun! While we all love basking in those sunny rays, sometimes it’s easy to forget just how much damage they can do to our skin. Whether you're lounging by the pool or spending hours working outside, sun exposure can lead to painful skin conditions like heat rash and sun poisoning. But how do you know which one you’re dealing with?

Let’s break it down so you can spot the differences and know exactly how to treat each one.

What Is Heat Rash?

Heat rash, also known as prickly heat, occurs when sweat becomes trapped under the skin due to blocked sweat glands, typically in hot, humid weather. It's especially common in babies, athletes, and individuals who sweat a lot in tight clothing.

Common symptoms include:

• Tiny red bumps or blisters
• An itchy or prickly feeling (like a mild sting)
• Appears in skin folds or areas that rub, like your neck, armpits, chest, or back

This condition is more annoying than dangerous, but if left untreated, it can get uncomfortable fast, especially if you keep sweating.

What Is Sun Poisoning?

Despite the name, sun poisoning isn’t actually a “poisoning,” it’s a severe form of sunburn caused by too much exposure to ultraviolet (UV) rays. It can cause deep damage to your skin and potentially affect your entire body.

Common symptoms include:

• Red, blistering skin that feels extremely hot and painful
• Headache, nausea, or fever
• Dizziness, chills, or signs of dehydration

This condition often shows up after a long day in the sun without proper protection. People with fair skin, light eyes, or a history of sunburn are especially at risk.

Key Differences Between Heat Rash and Sun Poisoning

Let’s break it down and compare these two summer skin problems:

How To Treat Each Condition

Now that you know what you're dealing with, here’s how to get some relief:

A. Treating Heat Rash

• Cool off: Move to a shady or air-conditioned spot.
• Loosen up: Wear light, breathable clothing to help sweat evaporate.
• Soothe the skin: Use calamine lotion or hydrocortisone cream to calm irritation.
• Stay dry: Keep the area dry to avoid further blockage of sweat glands.

B. Treating Sun Poisoning

• Get out of the sun immediately
• Apply cool compresses or aloe vera to reduce pain and inflammation.
• Hydrate well: Drink plenty of water to help your body recover.
• Seek medical care if symptoms are intense or spreading, especially with fever or blisters.

When to Seek Medical Help

Some skin concerns need medical attention. Watch for these signs:

• A rash that spreads, becomes swollen, or shows signs of infection.
• High fever, severe headache, or persistent nausea.
• Blisters that burst and don’t heal.
• Severe pain or dizziness.

People who are immunocompromised, elderly, or very young (like infants) may also be more at risk for complications and should get checked sooner.

Preventing Summer Skin Problems

While both heat rash and sun poisoning can happen to anyone, there are some steps you can take to reduce your chances of having skin problems from sun exposure:

• Use sunscreen: Apply SPF 30 or higher before going outside and reapply every 2 hours, especially if you’re swimming or sweating.
• Wear protective, light-colored clothing: This helps keep your skin cool and allows it to breathe.
• Stay hydrated: Drink plenty of water to stay cool from the inside out.
• Avoid peak sun hours: The sun is strongest between 10 a.m. and 4 p.m., so try to stay in the shade or indoors during these hours.

Smart Care for Summer Skin!

In the battle between heat rash and sun poisoning, knowing the difference is key to getting the right treatment and preventing more serious problems. Heat rash tends to be more localized and less severe, while sun poisoning can affect your entire body and requires more immediate attention. By staying cool, protecting your skin, and watching out for the signs, you can enjoy the summer sun without the skin mishaps!

Treat the Summer Skin Problems with 8-2-8 Urgent Care

Not sure if it's heat rash or sun poisoning? The experienced team at 8-2-8 Urgent Care can quickly evaluate your symptoms and provide fast, effective treatment to get your skin back to normal.

Get clarity and care, contact us or visit us today! Our friendly team members will walk you through our mobile self-check-in, from the comfort of your home and we will call you when it is your turn to come in for care.