Asthma is a chronic condition that affects your airways, making it hard to breathe at times. It causes symptoms like wheezing, coughing, chest tightness, and shortness of breath due to inflammation and narrowing of the airways.

Regarding your leg pain and acidity, these symptoms are separate from asthma and may need different evaluation and treatment. Leg pain can have many causes, such as muscle strain or circulation issues, while acidity often relates to stomach acid problems like acid reflux.

It's important to discuss all your symptoms with a doctor who can assess them together and recommend appropriate tests or treatments. Managing asthma usually involves inhalers and avoiding triggers, while leg pain and acidity might require other specific treatments.

If you experience severe breathing difficulty, chest pain, or worsening symptoms, seek medical attention promptly.To narrow down potential causes, we will need some more information.Please tell me your age and gender. I understand you're experiencing leg pain, acidity, and asthma.