Allergy, Peach Test
About Allergy, Peach Test
| Field | Value |
|---|---|
| Also Known As | Peach IgE Test, Peach-Specific IgE Antibody Test, Food Allergen Peach Test, Prunus persica Allergy Test |
| Sample Type | Serum (venous blood) |
| Fasting Required | No fasting required |
| Report Time | 3 Days |
| Recommended For | All ages, both genders |
| Price | Starting at ₹1,400 |
What is an Allergy, Peach Test?
The Allergy, Peach test is a blood test that detects specific Immunoglobulin E (IgE) antibodies — proteins your immune system produces when it reacts to peach proteins. A doctor may order this test if you experience allergic symptoms after eating peaches or peach-containing foods. It is also known as the Peach IgE Test or Prunus persica Allergy Test, and uses a small serum sample drawn from a vein.
What Does an Allergy, Peach Test Measure?
This test measures the level of peach-specific IgE antibodies in your blood. Higher levels suggest your immune system is reacting to peach proteins. The key allergens involved include:
| Allergen Component | Description |
|---|---|
| Pru p 3 (LTP) | The main peach allergen; linked to more severe reactions and cross-reactivity with other plants |
| Pru p 1 | Associated with milder symptoms, often seen in those with pollen sensitivity |
| Pru p 4 | A minor allergen related to birch pollen cross-reactivity |
| Pru p 7 | Associated with potentially stronger reactions in some individuals |
Why is an Allergy, Peach Test Done?
This test helps pinpoint whether peach is causing your allergic symptoms, so your doctor can advise you appropriately.
Common Symptoms That May Require This Test
The following symptoms after eating peaches may prompt a doctor to order this test:
- Itching or tingling in the mouth, lips, or throat
- Skin reactions such as hives or redness
- Nasal congestion or a runny nose
- Stomach cramps, nausea, or diarrhoea
- Swelling of the lips, tongue, or face
- Difficulty breathing in severe cases
Conditions This Test Can Help Detect
Your doctor may use the Allergy, Peach test results to investigate the following:
- Peach allergy confirmed by elevated IgE antibodies against peach proteins
- Oral Allergy Syndrome (OAS), where raw fruits such as peaches trigger itching or tingling in the mouth and throat
- Cross-reactive allergies to related Rosaceae family fruits such as apple, plum, cherry, and apricot
- Cross-reactivity with other foods, including walnut, hazelnut, peanut, tomato, and carrot, due to shared protein structures
How to Prepare and What to Expect
No special preparation is needed for the Allergy, Peach test procedure. Here is what you should know before your appointment.
Do You Need to Fast?
No, fasting is not required. You can eat and drink as normal before this test. However, try to avoid eating peaches or peach-containing products for 24 to 48 hours before the test, as recent exposure may temporarily affect your IgE levels.
Practical Tips Before Your Test
Keep the following in mind before your sample is collected:
- Drink plenty of water before the test to make the blood draw easier
- Inform your doctor or phlebotomist about any medications you take, particularly antihistamines (medicines that reduce allergy symptoms) or corticosteroids (anti-inflammatory medicines), as these may affect results
- Wear a top with sleeves that can be easily rolled up for quick vein access
- Bring a detailed clinical history, including your symptoms, previous test results, and any relevant medical records, as this is required for the test
Step-by-Step Procedure
The Allergy, Peach test procedure involves a routine blood draw. Here is what to expect:
- A trained phlebotomist will clean the skin on your inner arm with an antiseptic swab.
- An elastic band is tied around your upper arm to make the vein more visible.
- A small needle is inserted into the vein, and a blood sample of approximately 3 ml is drawn into a sterile tube.
- The needle is removed, light pressure is applied to the site, and a small bandage is placed over it.
- The sample is labelled and stored at the correct refrigerated temperature for transport to the laboratory.
- The sample is analysed using FEIA (Fluorescent Enzyme Immunoassay), a method that detects and measures specific IgE antibodies accurately.
Factors That Can Affect Accuracy
The following factors may influence your test result:
- Recent consumption of peach or peach-based products before the test
- Current use of antihistamines or corticosteroids (note: unlike skin prick tests, blood IgE tests are less affected by antihistamines)
- A current infection or illness, which can alter immune activity
- Improper sample handling or storage during transport
- Underlying health conditions affecting the immune system
Understanding Your Allergy, Peach Test Results
Your results will show the level of peach-specific IgE antibodies detected. The classification below is a general guide. Always discuss your results with your doctor for a proper interpretation.
| Class | IgE Level (kUA/L) | Interpretation |
|---|---|---|
| Class 0 | Less than 0.35 | Negative (no detectable sensitisation) |
| Class 0 to 1 | 0.10 to 0.34 | Very low |
| Class 1 | 0.35 to 0.69 | Low |
| Class 2 | 0.70 to 3.49 | Moderate |
| Class 3 | 3.50 to 17.4 | High |
| Class 4 | 17.5 to 49.9 | Very high |
| Class 5 | 50 to 100 | Very high |
| Class 6 | Greater than 100 | Very high |
These ranges are general guidelines. Your doctor will interpret your results based on your age, health history, and other factors. Always consult a qualified healthcare professional for personalised medical advice.
Results During Special Conditions
Certain conditions may influence how your results are read:
- Pollen allergy: People with birch or grass pollen allergies may show positive results due to shared protein structures between pollen and peach proteins, a pattern commonly seen in Oral Allergy Syndrome.
- Antihistamine use: Blood-based IgE tests are generally not affected by antihistamine use, unlike skin prick tests. However, always inform your doctor about any medicines you are taking.
- Recent allergen exposure: Eating peaches shortly before the test may temporarily raise IgE levels and influence the result.
How to Maintain Healthy Levels
These are general wellness tips and are not a substitute for medical advice:
- If a peach allergy is confirmed, avoid peaches and products that contain peach as an ingredient
- Be mindful of cross-reactive foods such as apples, plums, cherries, and certain nuts, and discuss these with your allergist
- Stay informed about food labels and consult your doctor to develop a clear action plan for managing allergic reactions
Lupin Diagnostics Allergy, Peach Test Price and Home Collection
The Allergy, Peach test cost at Lupin Diagnostics starts at ₹1,400, and home sample collection is available across major cities in India.
| City | Approximate Price (₹) |
|---|---|
| BHOPAL | 1400 |
| CHENNAI | 1400 |
| HYDERABAD | 1400 |
| KOLKATA | 1400 |
| NAVI MUMBAI | 1400 |
| PUNE | 1400 |
Prices are indicative and may vary by location. Please confirm the current price at the time of booking.
How to Book
You can book the Allergy, Peach test online in a few simple steps:
- Select the test on the Lupin Diagnostics website.
- Choose your city and preferred time slot.
- Opt for home sample collection by a certified phlebotomist, or visit your nearest Lupin Diagnostics centre.
- Receive your report via email or WhatsApp within the stipulated turnaround time.
Home Collection
The Allergy, Peach test home collection service is available across major Indian cities. A certified phlebotomist visits your home at your chosen time to collect the blood sample. All samples are processed in NABL-accredited laboratories, and your digital report is shared directly with you once ready.
Frequently Asked Questions
The Allergy, Peach test detects specific IgE antibodies in your blood that form in response to peach proteins. It helps confirm whether peaches are the cause of allergic symptoms such as itching, hives, or digestive discomfort. Your doctor uses the result to guide further management.
No, fasting is not required. You can eat and drink normally before the test. It is advisable, however, to avoid eating peaches for 24 to 48 hours beforehand, as recent exposure may temporarily affect results.
Unlike a skin prick test, the blood-based Allergy, Peach test is generally not affected by antihistamine use. That said, always inform your doctor or phlebotomist about any medicines you are currently taking so they can note them when interpreting your results.
A positive result means that IgE antibodies against peach proteins were detected in your blood, suggesting sensitisation to peach. Higher class levels (Class 3 and above) are associated with a greater likelihood of an allergic reaction. Your doctor will advise you on the next steps based on your symptoms and clinical history.
Yes. Peach allergens, particularly Pru p 3, share similar protein structures with other Rosaceae family fruits such as apples, plums, cherries, and apricots. This cross-reactivity means a reaction to peach may accompany sensitivity to these related fruits as well.
Oral Allergy Syndrome (OAS) is an allergic reaction that causes itching or tingling in the mouth, lips, and throat when eating certain raw fruits, including peaches. It most often occurs in people who already have a pollen allergy. The Allergy, Peach test can help determine whether your symptoms are due to OAS or a true peach allergy.
Results for the Allergy, Peach test are typically ready within 3 days of sample collection. Your digital report will be shared via email or WhatsApp once it is available from the laboratory.
Allergy, Peach Test
