Asthma Control Test Calculator
Assess asthma control using the validated ACT questionnaire for adults and children.
Asthma Control Test
For patients 12 years and older. Answer based on the past 4 weeks.
1. In the past 4 weeks, how much of the time did your asthma keep you from getting as much done at work, school, or at home?
2. During the past 4 weeks, how often have you had shortness of breath?
3. During the past 4 weeks, how often did your asthma symptoms wake you up at night or earlier than usual in the morning?
4. During the past 4 weeks, how often have you used your rescue inhaler or nebulizer medication?
5. How would you rate your asthma control during the past 4 weeks?
ACT Score
15/25
Very Poorly Controlled
60% of maximum score
Activity
3/5
Symptoms
3/5
Rescue Use
3/5
Self-Rating
3/5
Interpretation
Asthma is very poorly controlled. Significant treatment changes needed. Consider specialist referral.
Recommendations
- • Review and optimize inhaler technique
- • Assess medication adherence
- • Identify and minimize trigger exposure
- • Consider step-up therapy per GINA guidelines
- • Update written asthma action plan
- • Consider short course of oral corticosteroids
- • Referral to asthma specialist recommended
- • Evaluate for comorbid conditions
- • Consider biologic therapy if severe persistent
Score Interpretation
25: Completely Controlled
20-24: Well Controlled
16-19: Not Well Controlled
≤15: Very Poorly Controlled
GINA Control Assessment
Well Controlled: Daytime symptoms ≤2x/week, no night waking, reliever needed ≤2x/week, no activity limitation
Partly Controlled: 1-2 of above criteria not met
Uncontrolled: 3-4 criteria not met, or any exacerbation
When to Seek Urgent Care
- • Reliever not working or lasting less than 4 hours
- • Difficulty speaking in full sentences
- • Lips or fingernails turning blue
- • Peak flow <50% of personal best
- • Symptoms rapidly worsening
Disclaimer: The ACT is a self-assessment tool and does not replace clinical evaluation. Results should be discussed with your healthcare provider to guide treatment decisions. Do not change medications without medical advice.