17702 Pet Allergies

Overview

Pet allergies are reactions by your immune system to tiny proteins found in an animal's skin flakes (dander), saliva, urine, or fur. When you breathe in or touch these proteins, your body treats them as harmful and releases chemicals that cause allergy symptoms like sneezing, itching, or watery eyes.

Yes. Pet allergies are a common type of indoor allergy, affecting many people around the world. Cats and dogs are the most common triggers.

Pet allergies can affect anyone, but they are more likely if you have asthma, hay fever, or a family history of allergies. They often start in childhood, but can appear at any age.

Symptoms

Common symptoms

• Sneezing
• Runny or blocked nose
• Itchy or watery eyes
• Coughing
• Wheezing or shortness of breath
• Itchy skin or a rash
• Red or irritated eyes

Symptoms in children

• Children may have frequent sneezing, a stuffy nose, itchy eyes, or rub their face a lot.
• They might also cough or wheeze, especially at night, or have eczema flare-ups on their skin.

Symptoms in older adults

• Older adults may notice a blocked nose, dry cough, or feeling unusually tired.
• Symptoms can be less typical, such as feeling generally unwell or having worsening of existing breathing problems.

Causes

Main causes

• Proteins in animal dander (dead skin flakes)
• Proteins in animal saliva, urine, or sweat
• Tiny particles that stick to fur and are released into the air

Risk factors

• A personal or family history of allergies
• Having asthma or hay fever
• Living in a home with pets
• Being around pets frequently, for example at work or school

When to see a doctor

See a doctor urgently if:

• If you have severe symptoms like trouble breathing, a tight feeling in your chest, or your lips or throat swell, call your local emergency number right away.
• If you have an asthma attack and your usual relief inhaler is not helping, get urgent medical help.

Book a routine appointment if:

• See your healthcare provider if pet allergy symptoms bother you often, affect your sleep, or interfere with your day-to-day life.
• If symptoms do not improve with simple measures like washing your hands and keeping the pet out of your bedroom, it is worth getting medical advice.

Diagnosis

Your healthcare provider will usually ask about your symptoms, when they happen, and whether you have pets. They may also ask about your family history of allergies. In some cases, they may refer you for allergy testing to confirm which animal causes your symptoms.

Tests that may be done

• Skin prick test – a tiny drop of allergen is placed on your skin to see if it reacts
• Blood test – checks for allergy antibodies to pet proteins
• Keeping a symptom diary to help identify triggers

What to expect at your appointment

The appointment is usually straightforward. Your doctor will listen to your description, examine you, and may recommend trying simple measures first. If testing is needed, it can be done safely by an allergy specialist.

Treatment

Pet allergy treatment focuses on reducing contact with allergens and managing symptoms. There is no cure, but most people get good control with a combination of practical changes and medicines.

Self-care at home

• Wash your hands after touching a pet
• Keep pets out of the bedroom and off soft furniture
• Use a vacuum with a HEPA filter and damp-dust surfaces
• Give your pet regular baths or wipe them down (if you are not too allergic)
• Wash bedding in hot water weekly
• Use an air purifier with a HEPA filter in rooms where you spend time

Medical treatments

Your doctor or pharmacist may suggest allergy medicines such as tablets, nasal sprays, or eye drops. These work by blocking the chemicals that cause symptoms. Some are used regularly to prevent symptoms, while others are taken when needed. A doctor can also talk about allergy immunotherapy (allergy shots or tablets under the tongue) for severe cases. Always ask for advice before starting any new medicine.

Living with this condition

Living with a pet allergy is about small daily habits that lower your exposure. If you keep a pet, set up pet-free zones at home, like your bedroom. Clean regularly and wash your clothes after visiting homes with animals.

Lifestyle tips

• Choose a pet that causes fewer problems, like a fish or a reptile, if you are thinking of a new pet
• If you love cats or dogs, consider short-haired breeds that are easier to bathe
• Keep the home ventilated to reduce allergens
• Shower and change clothes after being around animals

Diet and exercise

A healthy diet and regular exercise help keep your immune system and airways strong. There is no special diet that cures pet allergies, but eating fruits and vegetables rich in vitamins may support general health. If exercise triggers breathing symptoms, talk to your doctor about how to manage this safely.

Mental health and emotional wellbeing

Living with a pet allergy can be frustrating, especially if you love animals. You may feel sad about not being able to have a pet, or anxious about being around animals. This is normal. Speak to friends, family, or a counsellor if you feel upset. If you are struggling emotionally, consider asking your doctor about local support services. If you feel overwhelmed or in crisis, please contact a crisis helpline or your local emergency number.

Prevention

Pet allergies cannot be completely prevented, but you can reduce your risk of symptoms by limiting exposure to allergens. If you are planning to get a pet, spend time around the animal first to see how you react. Some people choose pets that produce fewer allergens.

Complications

If left untreated

• Worsening asthma symptoms or more frequent asthma attacks
• Sinus infections due to a chronically blocked nose
• Poor sleep and tiredness from nighttime symptoms
• Eczema flare-ups on the skin

Long-term outlook

With the right approach, most people with pet allergies can live comfortably, often while keeping their pets. Working with a healthcare provider, you can find a plan that controls symptoms and helps you enjoy your daily life.

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