Hello noted your concerns,
Asthma is chronic inflammation condition and maybe trigger by various allergens ,which can be well controlled.
You can very much suffering from childhood asthma as per history,
Do keep peak expiration flow meter handy with you to track on your disease.
Next Steps
Details of PFT ??
And medication ?
Oral drugs ? CXR films?
And more history is required.
Health Tips
Consult nearby physician, and seek treatment.
Or very well an online consult is helpful.