Allergies are hypersensitive reactions to specific substances known as allergens, which can lead to symptoms such as itching, swelling, and difficulty breathing. Severe cases can result in anaphylaxis, a life-threatening condition that requires immediate medical attention. Preventive measures include avoiding allergens, being aware of symptoms, and consulting with healthcare professionals.

1. What is
Allergy?
Allergy is a
condition caused
when our body
develops
hypersensitivity
to specific
substances.

2. Think-Pair-Share
technique.
What are the key
words required to
define allergy
Students work in
pairs and discuss

3. Clemens Peter
Freiherr von Pirquet
an Austrian scientist
and paediatrician
best known for his
contributions to the
fields of bacteriology
and immunology-
useful in studying
allergy

4. Common Allergic
Symptoms
Itching
Bumps, rashes or redness
coughing
Sneezing

5. Sudden feeling of weakness and fainting
difficulty in breathing, asthma
Swelling of the tongue, throat, lips
Abnormal swelling of ears, tongue, eyelid
or any other parts of the body
Pain in the abdomen, nausea, vomiting
Difficulty in swallowing or speaking
Symptoms of allergic reaction contd…
1
2
3
4
5
6

6. What are the allergic symptoms?
Think – Pair – Share Technique

7. Sometimes the allergic condition becomes serious and life threatening.
It is called anaphylaxis
This condition is fatal and requires immediate medical condition.
The person suffering is said to be in a state of Anaphylactic shock.

8. Allergens
• The substances that trigger the allergic
reaction are called allergens
• Common examples of allergens are Dust,
pollen grains, mites ,sunlight, some food
items

9. Entry route for allergens
Mouth / Nose
Skin

10. Mouth Allergy
Symptoms : Itching or swelling of parts of the
mouth, tongue, lips, throat and pharynx , Swelling
of the tongue, throat, lips.
Nasal Allergy
Symptoms: Sneezing, coughing, runny nose
and nose congestion
Skin Allergy
Symptoms: Rashes, severe itching, bumps redness
and blisters
01
02
03
Entry route of allergens

11. Common
Allergic
Reactions
• Hay Fever
• Cause: reaction to pollen .
It is common when flowers
are in bloom
Symptoms:
• Nose-Lining of the nasal
cavity- sensitive and
inflamed, produce large
amount of mucus, runny
nose and sneezing
• Eyes- itchy, sore and weepy

12. Common Allergic
Reactions
contd…
Asthma
Cause: pollen or dust,
occasionally food
Symptoms:
Bronchioles constrict-
difficulty in breathing,
wheezing
Treatment: Bronchodilators

13. Types of allergies
OSeasonal OPerennial
OAllergies that
occur regularly
during particular
season are called
seasonal allergies.
OPollen grain,
released of
moulds.
OAllergies that are not
caused due to
seasonal factors and
may occur
throughout the year
are called perennial
allergies.
OFood allergy, dust
allergy.

14. Questions
• What are allergens?
• Name the 3 entry routes for
allergens.
• What is the symptom of mouth
allergy?
• What is the symptom of nasal
allergy?
• What is the symptom of skin allergy?
• What causes Hay fever? What are the
symptoms?
• What is asthma? What is the
treatment?
Think-Pair-Share

15. Food
Allergy
Non-food
Allergy
Dairy products
Nuts
Over ripe fruits
Eggs
Gluten based items*
Wheat based food. –
chapati, pasta, noodles,
Rava
Sea food
Dust
Pollen
Insect bites – bees, wasps,
ants
Some medicines, perfumes
Cigarette smoke
Bird feather , cat or dog fur

16. • Which are the 2 categories
into which allergens are
classified?
• Name one point of
difference between Food
and non-food allergy.
• Name the common food
allergens
• Name the common non-
food allergens
• Distinguish between
seasonal and perennial
allergy.
Think-Pair-share

17. Precautions - Food allergy
ORead the food label
carefully every time
OWhen you go to the
dine or eat out
remember to check
what it contains
before eating.

18. Precautions - Insect allergy
OWear full sleeved cloths, close shoes,
insect repellent when travelling outdoor.

19. Precautions - Medicine allergies
OLearn the names of the medicine that your
allergic to.
OKeep your school and caretaker informed.
OKeep a medical chart and remind the
doctor before any treatment.

20. Think-Pair -Share
• List out the precautions
that you should take for
food, insect and medicinal
allergies.

21. Seasonal allergies
OThe weather report in newspaper and
news channel gives idea of the pollen
and mould [fungus] discharge.
OKeep windows and doors shut at home
and also while travelling.
OTake shower and change cloths when
you come home.
ODo not hesitate to wear a filter or a
mask to cover your nose and mouth

22. Preventive measures
OCan be controlled by avoiding the allergen.
ORecognize symptoms and make a note of
what triggered the allergic reaction.
OIntense anaphylactic reactions - ask your
parent to give written emergency plan.
OEducate your friends, school and other who
will be with you about your allergies.
ODoctors specialized in allergy should be consulted

23. Think-Pair -Share
What are the preventive
measures that one can take to
protect from allergy attacks?
• What are the preventive
measures to protect
yourself from seasonal
allergies?

24. Diagnosis of Allergy
O Skin Prick Test

25. Diagnosis of Allergy

26. When is the blood test done?
• Cannot tolerate the many needle scratches
required for skin testing
• Have an unstable heart condition
• Have poorly controlled asthma
• Have severe skin problems
• Might have an extreme reaction during skin
testing called anaphylaxis – Needs medical
treatment right away.

27. Across
1. A shock This condition is
fatal
3. Occurs during a
particular time of the year
6. Foreign substance
causing an abnormal
immune response
7. Microscopic bugs which
feed on human skin
Down
2. Occurs throughout the
year
4. Sensitivity to some
elements or substances
5. Life threatening reaction
Solve the crossword

28. Dr. Pramila Kudva is a PhD
in Education from
Mumbai University. She
has over three decades of
experience as a teacher,
teacher educator.
Currently she is working
as a principal of an ICSE
school in Mumbai. She has
several academic
publications to her credit.
This book covers several
theories, techniques and
classroom management
aspects with innumerable
examples. A must for the
school library.E-mail: Pramilakudva2016@gmail.com