What is allergy to cold called
Common symptoms of an allergic reaction include:
- sneezing and an itchy, runny or blocked nose (allergic rhinitis)
- tummy pain, feeling ill, vomiting or diarrhoea
- wheezing, chest tightness, shortness of breath and a cough
- itchy, red, watering eyes (conjunctivitis)
- swollen lips, tongue, eyes or face
- a raised, itchy, red rash (hives)
- dry, red and cracked skin
The symptoms vary depending on what you’re allergic to and how you come into contact with it.
For example, you may have a runny nose if exposed to pollen, develop a rash if you own a skin allergy, or feel sick if you eat something you’re allergic to.
See your GP if you or your kid might own had an allergic reaction to something. They can assist determine whether the symptoms are caused by an allergy or another condition.
Read more about diagnosing allergies.
What is Benadryl?
Benadryl (diphenhydramine) is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose.
Benadryl is used to treat sneezing, runny nose, watery eyes, hives, skin rash, itching, and other freezing or allergy symptoms.
Benadryl is also used to treat motion sickness, to induce sleep, and to treat certain symptoms of Parkinson’s disease.
Before taking this medicine
You should not use Benadryl if you are allergic to diphenhydramine.
Ask a doctor or pharmacist if it is safe for you to take this medicine if you own other medical conditions, especially:
bladder obstruction or other urination problems;
asthma, chronic obstructive pulmonary disease (COPD), or other breathing disorder;
a colostomy or ileostomy;
heart disease, low blood pressure;
liver or kidney disease;
a thyroid disorder; or
blockage in your digestive tract (stomach or intestines);
cough with mucus, or cough caused by smoking, emphysema, or chronic bronchitis;
if you take potassium (Cytra, Epiklor, K-Lyte, K-Phos, Kaon, Klor-Con, Polycitra, Urocit-K).
It is not known whether Benadryl will harm an unborn baby.
Ask a doctor before using this medicine if you are pregnant.
Diphenhydramine can pass into breast milk and may harm a nursing baby. Antihistamines may also slow breast milk production.
Ask a doctor before using this medicine if you are breast-feeding.
Older adults may be more likely to own side effects from this medicine.
Generic Name:diphenhydramine (DYE fen HYE dra meen)
Medically reviewed by Sanjai Sinha, MD Final updated on Dec 18,
You should not use Benadryl to make a kid sleepy.
When taking Benadryl, use caution driving, operating machinery, or performing other hazardous activities.
Diphenhydramine may cause dizziness or drowsiness. If you experience dizziness or drowsiness, avoid these activities.
Use alcohol cautiously.
Alcohol may increase drowsiness and dizziness while taking Benadryl.
Do not give this medication to a kid younger than 2 years ancient. Always enquire a doctor before giving a cough or freezing medicine to a child. Death can happen from the misuse of cough and freezing medicines in extremely young children.
Severe allergic reaction (anaphylaxis)
In rare cases, an allergy can lead to a severe allergic reaction, called anaphylaxis or anaphylactic shock, which can be life threatening.
This affects the whole body and usually develops within minutes of exposure to something you’re allergic to.
Signs of anaphylaxis include any of the symptoms above, as well as:
Anaphylaxis is a medical emergency that requires immediate treatment.
Read more about anaphylaxis for information about what to do if it occurs.
Sheet final reviewed: 22 November
Next review due: 22 November