They can be especially itchy, red, inflamed, and generally uncomfortable.
Most rashes are self-limiting, meaning that they will resolve on their own without treatment.
When treatment is needed, it tends to be simple.

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In many cases, an over-the-counterantihistamine or corticosteroidwill suffice.
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What Hives Look Like
Urticaria, or hives, is a common skin rash.
Hives can be acute (short-term) if present for less than six weeks.
Rashes vary widely in appearance.
They can be bumpy, scaly, blistered, and more.
All hives are a rash, but not all rashes are hives.
Causes
Hives on the stomach can occur for a variety of reasons.
Sometimes, the cause of the hives is unknown.
If you are concerned your hives may be angioedema, speak with your healthcare provider.
They may refer you to anallergist, who can help diagnose and treat both conditions.
Call 911 immediately if you are experiencing symptoms of anaphylaxis.
You should also see your healthcare provider if hives on the stomach are recurrent or don’t resolve.
There may be an underlying cause for your hives that needs to be diagnosed and addressed.
Diagnosis
If you have recurrent hives on your stomach, it’s important to pinpoint your triggers.
These medications include:
Summary
Hives are a common skin rash that can occur on the stomach.
Symptoms include bumps, redness, and itchiness.
Treatment includes self-care and certain medications.
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