[26F] Sudden onset of rash and fever with lip swelling

Patient Description

A 26-year-old female developed a sudden onset of a flat, blotchy, red rash on her arms and chest, accompanied by a fever and lip swelling, all symptoms starting concurrently about 20 minutes prior to seeking advice. The rash appeared suddenly and all at once across different parts of the body. Despite the fever subsiding after 20 minutes, the patient also experienced difficulty breathing. There was no recent travel, exposure to new environments, or known contact with allergens. The patient has been taking Cefdinir and also took Zyrtec, with no known drug allergies but a family history of eczema. No other symptoms were reported, and there's no significant past medical history or chronic illnesses.

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Arora's Assessment

What might be happening

Based on the information provided, it's possible that Logan is experiencing:

  • An allergic reaction: The sudden onset of a rash, fever, and lip swelling could indicate an allergic reaction. This could be due to a new food, medication, or environmental factor. The medication Cefdinir, which Logan is taking, can cause a rash in some individuals.

    • Treatment typically involves discontinuing the offending agent and managing symptoms. In severe cases, an EpiPen or hospital treatment may be necessary.
  • A viral infection: Certain viral infections can cause a rash and fever. These symptoms usually resolve on their own as the body fights off the virus.

    • Treatment typically involves rest, hydration, and over-the-counter medication to manage fever and discomfort.
  • Eczema flare-up: Given the family history of eczema, it's possible that Logan is experiencing a flare-up. Eczema can cause a red, itchy rash and can be triggered by a variety of factors, including certain foods, environmental factors, and stress.

    • Treatment typically involves moisturizing the skin, avoiding triggers, and using medication to control symptoms.

What you can do

  • Monitor Logan's symptoms closely. If the rash spreads, the fever returns, or Logan seems uncomfortable or unwell, seek medical attention immediately.
  • If you suspect the symptoms are due to a medication, such as Cefdinir, stop giving it to Logan and contact his healthcare provider.
  • Keep Logan comfortable and ensure he stays hydrated.
  • If Logan's symptoms are due to eczema, using a moisturizer can help soothe his skin. Avoid potential triggers, such as certain foods or environmental factors.

What you should look out for

  • Difficulty breathing: If Logan seems to be having trouble breathing, seek emergency medical attention immediately.
  • Worsening symptoms: If Logan's rash spreads, his fever returns, or he seems increasingly uncomfortable or unwell, seek medical attention.
  • Signs of dehydration: If Logan is refusing to drink, has fewer wet diapers than usual, or seems unusually tired or irritable, he may be dehydrated and should see a doctor.

Please remember that while I strive to provide accurate and helpful information, I'm an AI and not a doctor. Always consult with a healthcare provider for a formal diagnosis and treatment.

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9 mo ago

People Also Ask


What are the common symptoms of an allergic reaction to medication?

Common symptoms of an allergic reaction to medication include a sudden rash, itching, swelling (such as lip swelling), difficulty breathing, and sometimes fever. It's important to seek medical attention if these symptoms occur.


How can you differentiate between a viral infection and an allergic reaction?

A viral infection often presents with symptoms like fever, fatigue, and a rash that develops over time, whereas an allergic reaction typically involves a sudden onset of symptoms like rash, swelling, and difficulty breathing. A healthcare provider can help differentiate between the two.


What should you do if you experience difficulty breathing during an allergic reaction?

If you experience difficulty breathing during an allergic reaction, it is crucial to seek emergency medical attention immediately. Use an EpiPen if prescribed and available, and call emergency services.


Can eczema cause sudden rashes and what are common triggers?

Eczema can cause sudden rashes, especially if triggered by factors like stress, certain foods, or environmental changes. Common triggers include allergens, irritants, and changes in weather. Managing eczema involves avoiding known triggers and using moisturizers and prescribed medications.


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1 Comments


Leo#3962

8 mo ago

Hope you got better! Did this turn out to an allergy or some sort?

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