Allergic Reactions
Allergic reactions occur when the immune system overreacts to a harmless substance, such as food, medication, insect stings, or environmental allergens. Reactions can range from mild itching or hives to life-threatening anaphylaxis.
At The Medical Group of New Jersey, our urgent care providers offer immediate evaluation and treatment to relieve symptoms, prevent complications, and provide patients with an emergency action plan for the future.
Symptom Onset & Initial Evaluation
Allergic reactions typically appear within minutes to hours of exposure to a trigger. Common symptoms include:
- Red, itchy hives or skin rash
- Swelling of the lips, eyes, or face (angioedema)
- Coughing, throat tightness, or shortness of breath
- Dizziness, nausea, or vomiting
During your visit, your urgent care provider will review your exposure history, past allergic episodes, and medication use, and perform a focused exam to assess airway safety and determine reaction severity.
Important: Seek emergency care or call 911 immediately for throat swelling, difficulty breathing, or dizziness—signs of possible anaphylaxis.
Diagnosis
Diagnosis is primarily clinical, based on the pattern and timing of symptoms. If needed, your provider may order or refer for:
- Allergy testing: Identifies specific triggers such as foods, medications, or insect venoms.
- Bloodwork: Measures IgE antibody levels related to allergic response.
- Observation period: Ensures symptoms don’t progress after initial treatment.
Accurate identification of the allergen helps prevent future episodes and guides long-term management.
Treatment & Ongoing Management
Urgent care treatment focuses on relieving symptoms quickly and preventing recurrence.
- Antihistamines: Reduce itching, hives, and mild swelling.
- Corticosteroids: Decrease inflammation and prevent symptom rebound.
- Epinephrine injection: The first-line, life-saving treatment for severe allergic reactions or anaphylaxis.
- Oxygen or IV fluids: Given if breathing difficulty or low blood pressure occurs.
Your provider will also:
- Create an emergency action plan that outlines the steps to take in the event of future emergencies.
- Prescribe or refill epinephrine auto-injectors and review how to use them correctly.
- Discuss trigger avoidance strategies for foods, medications, or environmental allergens.
Long-Term Outlook
With proper diagnosis, trigger awareness, and access to emergency medication, most patients can manage allergic reactions safely and confidently. Regular follow-ups with an allergist or primary care provider help monitor symptoms and update action plans as needed.
At The Medical Group of New Jersey, our urgent care team provides fast, compassionate treatment and education so patients feel prepared and protected against future allergic emergencies.
No appointment is necessary; walk in for same-day care or call ahead to confirm wait times.