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This calculator is for children with asthma. If you know your child's height, you can find his or her predicted peak flow.

Understanding AsthmaSee All
 All About Asthma in Understanding Asthma
Asthma is a chronic, inflammatory lung disease with recurrent breathing problems....more
A detailed look at the respiratory system and how it works....more
 Your Asthma Health Care Team in Understanding Asthma
A detailed look at the team of healthcare providers who will help you manage your asthma. ...more
 What Is Asthma in Understanding Asthma
Asthma is a long-term (chronic) lung disease where the airways become inflamed. Here's what you need to know. ...more
Scheduled office visits with healthcare providers are an important part of asthma care. ...more
If your healthcare provider thinks you have asthma, there are things they must do to make a diagnosis. ...more
The CDC advises that people with asthma get certain vaccines. Here's what you need to know. ...more
 Asthma in Older Adults in Understanding Asthma
Many people think of asthma as a childhood disease, but it often occurs as a new condition in older adults. ...more
 All About Asthma in Understanding Asthma
Asthma is a chronic, inflammatory lung disease with recurrent breathing problems....more
A detailed look at the respiratory system and how it works....more
 Your Asthma Health Care Team in Understanding Asthma
A detailed look at the team of healthcare providers who will help you manage your asthma. ...more
 What Is Asthma in Understanding Asthma
Asthma is a long-term (chronic) lung disease where the airways become inflamed. Here's what you need to know. ...more
Scheduled office visits with healthcare providers are an important part of asthma care. ...more
If your healthcare provider thinks you have asthma, there are things they must do to make a diagnosis. ...more
The CDC advises that people with asthma get certain vaccines. Here's what you need to know. ...more
 Asthma in Older Adults in Understanding Asthma
Many people think of asthma as a childhood disease, but it often occurs as a new condition in older adults. ...more
Pulmonary Tests & ProceduresSee All
This test is used to find out how well your lungs are working. Read on to learn what to expect. ...more
Detailed information about peak flow measurement, a quick test to measure air flowing out of the lungs. ...more
Pulmonary function tests (PFTs) are noninvasive tests that show how well the lungs are working. Read on to learn what to expect before, during, and after these tests. ...more
 Pulse Oximetry in Pulmonary Tests & Procedures
Pulse oximetry is a test used to measure the oxygen level (oxygen saturation) of the blood. It is an easy, painless measure of how well oxygen is being sent to parts of your body furthest from your heart, such as the arms and legs. ...more
This test is used to find out how well your lungs are working. Read on to learn what to expect. ...more
Detailed information about peak flow measurement, a quick test to measure air flowing out of the lungs. ...more
Pulmonary function tests (PFTs) are noninvasive tests that show how well the lungs are working. Read on to learn what to expect before, during, and after these tests. ...more
 Pulse Oximetry in Pulmonary Tests & Procedures
Pulse oximetry is a test used to measure the oxygen level (oxygen saturation) of the blood. It is an easy, painless measure of how well oxygen is being sent to parts of your body furthest from your heart, such as the arms and legs. ...more
Controlling Asthma TriggersSee All
 Allergens: Pollen in Controlling Asthma Triggers
Pollen is the most common cause of hay fever. Read on for more information--and helpful tips for reducing the effects of hay fever during pollen season. ...more
 Allergens: Animals in Controlling Asthma Triggers
Household pets, such as cats and dogs, are the most common sources of animal allergens. Here's what you need to know about symptoms and treatments. ...more
Dust mites are microscopic organisms that can live throughout homes and businesses. Read on to learn more. ...more
Detailed information on dust mite allergens....more
If you think you may have allergies, talk with your healthcare provider about getting tested. ...more
Triggers are things that can make your asthma symptoms worse or flare up. It's important to know your triggers and try to stay away from them. ...more
An important part of managing asthma is the control of triggers. These are things that make symptoms worse or cause flare-ups. Triggers may be anywhere, inside or out. ...more
 Allergens: Pollen in Controlling Asthma Triggers
Pollen is the most common cause of hay fever. Read on for more information--and helpful tips for reducing the effects of hay fever during pollen season. ...more
 Allergens: Animals in Controlling Asthma Triggers
Household pets, such as cats and dogs, are the most common sources of animal allergens. Here's what you need to know about symptoms and treatments. ...more
Dust mites are microscopic organisms that can live throughout homes and businesses. Read on to learn more. ...more
Detailed information on dust mite allergens....more
If you think you may have allergies, talk with your healthcare provider about getting tested. ...more
Triggers are things that can make your asthma symptoms worse or flare up. It's important to know your triggers and try to stay away from them. ...more
An important part of managing asthma is the control of triggers. These are things that make symptoms worse or cause flare-ups. Triggers may be anywhere, inside or out. ...more
Managing Your AsthmaSee All
Inhalers and nebulizers deliver medicine directly to the lungs. They cause fewer side effects than medicine taken by mouth or injection. ...more
Read on for helpful answers to some common questions about asthma medicines....more
 Acute Severe Asthma in Asthma Attacks
Asthma can be unpredictable. But it's important to recognize the difference between a minor flare-up and an attack that could be life-threatening. Read on to learn more. ...more
 Asthma- Using a Peak Flow Meter in Asthma Attacks
A peak flow meter for asthma is like a thermometer for a fever - it helps you keep track of what's going on inside your lungs by measuring airflow out of the lungs. ...more
Your Asthma Action Plan includes information about your symptoms and medicines. It also includes instructions about managing your asthma symptoms and when to call your healthcare provider....more
 Traveling with Asthma in Self-Care
There are some extra challenges when traveling with asthma. The tips here can help you prevent asthma symptoms. And they will make your travel easier. ...more
 Asthma and Exercise in Exercise and Asthma
Exercise is a common trigger for many people with asthma. This is called exercise-induced bronchoconstriction or EIB. But living with EIB doesn't mean you need to give up exercise. ...more
 Asthma and Physical Activity in Exercise and Asthma
When you have asthma, exercise can make you breathe faster. This may cause asthma symptoms or an asthma attack. ...more
Using Asthma MedicationsAsthma AttacksSelf-CareExercise and AsthmaSmoking and Asthma Work and Asthma
Inhalers and nebulizers deliver medicine directly to the lungs. They cause fewer side effects than medicine taken by mouth or injection. ...more
Read on for helpful answers to some common questions about asthma medicines....more
 Acute Severe Asthma in Asthma Attacks
Asthma can be unpredictable. But it's important to recognize the difference between a minor flare-up and an attack that could be life-threatening. Read on to learn more. ...more
 Asthma- Using a Peak Flow Meter in Asthma Attacks
A peak flow meter for asthma is like a thermometer for a fever - it helps you keep track of what's going on inside your lungs by measuring airflow out of the lungs. ...more
Your Asthma Action Plan includes information about your symptoms and medicines. It also includes instructions about managing your asthma symptoms and when to call your healthcare provider....more
 Traveling with Asthma in Self-Care
There are some extra challenges when traveling with asthma. The tips here can help you prevent asthma symptoms. And they will make your travel easier. ...more
 Asthma and Exercise in Exercise and Asthma
Exercise is a common trigger for many people with asthma. This is called exercise-induced bronchoconstriction or EIB. But living with EIB doesn't mean you need to give up exercise. ...more
 Asthma and Physical Activity in Exercise and Asthma
When you have asthma, exercise can make you breathe faster. This may cause asthma symptoms or an asthma attack. ...more
More
Asthma and Other ConditionsSee All
Many people who have asthma also suffer from chronic problems of the nose and sinuses. Here's what you need to know. ...more
 Rhinitis in Asthma and Other Conditions
Rhinitis is when a reaction occurs that causes a stuffy nose, runny nose, sneezing, and itching. Most types of rhinitis are caused by inflammation. Here's what you need to know. ...more
Most allergic reactions are a result of an immune system that responds to a "false alarm." ...more
 Asthma and Pregnancy in Asthma and Other Conditions
With correct asthma management and good prenatal care, most women with asthma can have healthy pregnancies. ...more
Some health problems happen more often in people with asthma. These problems can make asthma symptoms worse and harder to control. ...more
Many people who have asthma also suffer from chronic problems of the nose and sinuses. Here's what you need to know. ...more
 Rhinitis in Asthma and Other Conditions
Rhinitis is when a reaction occurs that causes a stuffy nose, runny nose, sneezing, and itching. Most types of rhinitis are caused by inflammation. Here's what you need to know. ...more
Most allergic reactions are a result of an immune system that responds to a "false alarm." ...more
 Asthma and Pregnancy in Asthma and Other Conditions
With correct asthma management and good prenatal care, most women with asthma can have healthy pregnancies. ...more
Some health problems happen more often in people with asthma. These problems can make asthma symptoms worse and harder to control. ...more
For Your FamilySee All
Asthma is a long-term (chronic) lung disease that causes your child's airways to become sensitive to certain things (triggers). ...more
How asthma will affect a child throughout their lifetime varies, depending on the child. ...more
 Asthma Triggers in Controlling Asthma Triggers
Your child's asthma may be triggered by a number of things: pollen, molds, certain foods, strong odors, or even exercise. ...more
From bed coverings to air purifiers, from pets to secondhand smoke, here are ideas to keep your child's asthma triggers under control. ...more
Having asthma isn't easy, and for most kids, neither is being a teen. Here are some common teen issues and suggestions for easing your child's concerns. ...more
Helpful instructions on giving your child nebulizer treatments....more
The Asthma Action Plan includes information about your child's symptoms and medicines. It also includes directions about managing your child’s symptoms and when to call their healthcare provider. ...more
Research shows that informed, supportive teachers and staff can play a big role in helping students manage their asthma. ...more
For Parents: Asthma and Your ChildFor Kids Only
Asthma is a long-term (chronic) lung disease that causes your child's airways to become sensitive to certain things (triggers). ...more
How asthma will affect a child throughout their lifetime varies, depending on the child. ...more
 Asthma Triggers in Controlling Asthma Triggers
Your child's asthma may be triggered by a number of things: pollen, molds, certain foods, strong odors, or even exercise. ...more
From bed coverings to air purifiers, from pets to secondhand smoke, here are ideas to keep your child's asthma triggers under control. ...more
Having asthma isn't easy, and for most kids, neither is being a teen. Here are some common teen issues and suggestions for easing your child's concerns. ...more
Helpful instructions on giving your child nebulizer treatments....more
The Asthma Action Plan includes information about your child's symptoms and medicines. It also includes directions about managing your child’s symptoms and when to call their healthcare provider. ...more
Research shows that informed, supportive teachers and staff can play a big role in helping students manage their asthma. ...more
More
Interactive ToolsSee All
 Allergies Quiz
Allergies are nothing to sneeze at. Learn how to better deal with this condition....more
 Atopic Dermatitis Quiz
Atopic dermatitis is a chronic, inherited skin condition that affects millions of Americans. The following quiz offers helpful facts about the condition....more
 Allergies Quiz
Allergies are nothing to sneeze at. Learn how to better deal with this condition....more
 Atopic Dermatitis Quiz
Atopic dermatitis is a chronic, inherited skin condition that affects millions of Americans. The following quiz offers helpful facts about the condition....more
MultimediaSee All
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Videos (5) See All
Calculators (1)
Risk Assessments (2)