When to Go to the ER After a Scorpion Sting

May 31, 2025

Not All Stings Are Equal—Here’s What to Watch For

Living in the Southwest, especially in places like Phoenix, Las Vegas, or El Paso, means the occasional scorpion sighting is just part of life. And while most stings from U.S. scorpions aren’t life-threatening, the Arizona bark scorpion is a notable exception. If you or someone in your home gets stung, it’s important to know when you can monitor it at home—and when to drop everything and head to the ER.

ER-Worthy Symptoms After a Scorpion Sting

If you notice any of these symptoms, don’t wait it out:

For Children

Children are at the highest risk from scorpion venom. Take them to the ER if they show:

Uncontrolled jerking or twitching
Trouble swallowing or excessive drooling
Slurred speech or inability to talk
Sweating without exertion
Vomiting or extreme agitation

Even if symptoms seem to calm down, complications can escalate quickly in children. When in doubt—go.

For Adults

Adults can usually tolerate a bark scorpion sting, but go to the ER immediately if you experience:

Difficulty breathing
Muscle twitching or spasms
Unusual eye movements
Numbness spreading beyond the sting site
Chest pain or irregular heartbeat

Special Considerations

Pregnant Women

While most pregnant women recover well from stings, venom reactions could lead to dehydration, contractions, or reduced fetal oxygen. If you’re pregnant and get stung—especially in the second or third trimester—head to the ER or at least call your OB right away.

Older Adults & People with Health Conditions

Anyone with heart conditions, asthma, or a weakened immune system should treat a sting seriously. Scorpion venom affects the nervous system, and underlying issues can make things worse.

What to Expect at the ER

If symptoms are serious, you may be given Anascorp, the FDA-approved antivenom for Arizona bark scorpions. It’s usually reserved for moderate to severe cases and works fast to neutralize the venom. Many patients recover fully within hours of receiving it.

For milder symptoms, ER staff may monitor your vitals, provide pain relief, and keep you under observation until symptoms subside.

When You Can Treat at Home

If the only symptoms are mild tingling, localized swelling, or pain at the sting site—and the person stung is a healthy adult—you can:

Wash the area with soap and water
Apply a cool compress
Take over-the-counter pain relievers like ibuprofen or acetaminophen

Keep a close eye out for any changes over the next several hours. If symptoms escalate, don’t wait—get to the ER.

Final Thought

In the desert Southwest, scorpion stings are a real part of life—but knowing when to take them seriously can make all the difference. When you catch stings early and respond fast, especially in vulnerable people, outcomes are almost always good.

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Should I call Poison Control, go to urgent care, or call 911 after a scorpion sting?

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If you’re unsure, call Poison Control at 1-800-222-1222 for personalized guidance and have age/weight, time of sting, symptoms, and any meds given ready. Go to urgent care/ER if symptoms are worsening or spreading (like numbness moving up the limb, uncontrolled twitching, repeated vomiting, or severe pain that isn’t improving), especially for stings near the face/neck or in higher-risk people. Call 911 for emergency symptoms such as trouble breathing, severe allergic reaction signs, seizure-like activity, inability to swallow, or altered consciousness—see this when to call 911 for a sting checklist.

What kills scorpions instantly when I find one in my house?

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“Instant” usually means a fast physical kill (crushing/pinning) rather than waiting for a chemical to work, and using long-handled tools helps you keep safer distance from the stinger. The article explains the most reliable methods (like pin-then-crush on hard surfaces) and why scorpions may twitch even after they’re dead, so you should verify before cleanup. See the full breakdown of what kills scorpions instantly indoors.

Can scorpions climb walls?

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Many scorpions, especially species like the Arizona bark scorpion, can climb smooth surfaces like walls, glass, and trees using tiny hairs and claws on their legs. They cannot climb completely smooth, polished surfaces without texture.

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