Latex Allergy
An allergic reaction to natural rubber latex
Quick Facts
- Type: Allergic condition
- Trigger: Proteins in natural rubber latex
- Common sources: Gloves, balloons, medical devices
- Severe reactions: Possible anaphylaxis
Overview
Latex allergy is an allergic reaction to certain proteins found in natural rubber latex, a milky fluid that comes from the rubber tree and is used to make many everyday and medical products. When a person with the allergy touches or is exposed to latex, their immune system reacts to these proteins as if they were harmful.
Reactions range from mild skin irritation to serious, body-wide responses. Common latex-containing items include disposable gloves, balloons, rubber bands, condoms, and some medical and dental equipment. Because of this, latex allergy is an important concern in healthcare settings. People at higher risk include healthcare workers and individuals who have had many medical procedures, such as those with spina bifida. Avoiding latex is the main way to stay safe, and severe reactions can be life-threatening, so recognizing the signs is important.
Symptoms
Symptoms vary in type and severity and may appear soon after contact:
- Skin reactions: Itching, redness, hives, or a rash where latex touched the skin
- Respiratory symptoms: Runny or itchy nose, sneezing, itchy or watery eyes, and, with airborne latex particles, wheezing or trouble breathing
- Contact dermatitis: A delayed, eczema-like rash that develops hours after contact
Severe reaction (anaphylaxis): Some people develop a rapid, dangerous reaction with swelling of the face, lips, or throat, difficulty breathing, wheezing, a drop in blood pressure, dizziness, or loss of consciousness. Anaphylaxis is a medical emergency, treat with epinephrine if available and call emergency services immediately.
Causes
Latex allergy develops when the immune system becomes sensitized to proteins in natural rubber latex after repeated exposure. There are a few distinct types of reaction:
- Immediate (IgE-mediated) allergy: The true allergic type, which can cause hives, breathing problems, and anaphylaxis.
- Allergic contact dermatitis: A delayed skin reaction, often to chemicals added during latex manufacturing rather than the latex proteins themselves.
- Irritant contact dermatitis: Not a true allergy, but skin irritation from gloves, sweating, or hand washing, which can come before a true allergy develops.
Some people with latex allergy also react to certain foods, such as banana, avocado, kiwi, and chestnut, because of similar proteins (the latex-fruit syndrome).
Risk Factors
- Frequent exposure to latex, such as among healthcare and rubber-industry workers
- Multiple surgeries or medical procedures, especially from a young age
- Spina bifida or urinary or bowel conditions needing repeated catheter use
- Other allergies, asthma, or eczema (a general allergic tendency)
- Allergy to certain fruits, such as banana, avocado, or kiwi
Diagnosis
Diagnosis combines history with allergy testing:
- Medical history: Identifying reactions linked to latex products and any high-risk exposures.
- Blood test: Measures latex-specific antibodies (IgE) in the blood.
- Skin testing: Performed cautiously by an allergy specialist in some cases.
- Evaluation for related food allergies: When latex-fruit syndrome is suspected.
Treatment and Management
The most important treatment is avoiding latex, since there is no cure for the allergy itself.
- Avoidance: Use latex-free gloves, devices, and household items, and inform all healthcare providers so latex-free care can be arranged.
- Managing reactions: Mild reactions may be treated with antihistamines or, for skin reactions, topical treatments.
- Emergency treatment: People at risk of severe reactions should carry an epinephrine auto-injector and know how to use it.
- Medical alert identification: Wearing a medical alert bracelet helps ensure safe care in an emergency.
With careful avoidance, most people with latex allergy can prevent reactions.
Prevention
- Choose latex-free gloves and products, especially in healthcare settings
- Tell doctors, dentists, and surgeons about your latex allergy before any procedure
- Read labels and ask about latex in medical and consumer products
- Avoid balloons and other common latex items if you are sensitive
- Carry an epinephrine auto-injector if you are at risk of severe reactions
- Wear medical alert identification
When to See a Doctor
See a doctor if you develop itching, hives, a rash, or breathing or eye symptoms after contact with latex products, so the allergy can be confirmed and a plan made. Call emergency services immediately and use an epinephrine auto-injector if available if you have signs of a severe reaction, such as:
- Swelling of the face, lips, tongue, or throat
- Difficulty breathing, wheezing, or tightness in the throat
- Dizziness, fainting, or a rapid drop in blood pressure
- Widespread hives with feeling unwell
Frequently Asked Questions
What products commonly contain latex?
Common latex products include disposable gloves, balloons, rubber bands, condoms, elastic in clothing, and some medical and dental equipment such as catheters and tubing. Reading labels and choosing latex-free items helps people with the allergy avoid reactions.
Who is at higher risk of latex allergy?
People with frequent latex exposure, such as healthcare and rubber-industry workers, and those who have had many medical procedures, including people with spina bifida, are at higher risk. Having other allergies, asthma, or eczema also increases the tendency.
Can latex allergy cause a severe reaction?
Yes. Some people develop anaphylaxis, a rapid and dangerous reaction with swelling, breathing difficulty, and a drop in blood pressure. This is a medical emergency, use an epinephrine auto-injector if available and call emergency services right away.
What is latex-fruit syndrome?
Some people with latex allergy also react to certain foods, such as banana, avocado, kiwi, and chestnut, because these contain proteins similar to those in latex. If you have a latex allergy, mention any food reactions to your doctor.
How is latex allergy treated?
There is no cure, so the main treatment is strict avoidance of latex. Mild reactions may be eased with antihistamines, and people at risk of severe reactions should carry an epinephrine auto-injector, wear medical alert identification, and inform all healthcare providers.
References
- American Academy of Allergy, Asthma & Immunology (AAAAI). Latex allergy.
- Mayo Clinic. Latex allergy — Symptoms and causes.
- MedlinePlus, U.S. National Library of Medicine. Latex allergy.
- Occupational Safety and Health Administration (OSHA). Latex allergy.