Some common uses of this medicine include:

1. Colds and flu: It can be used to relieve symptoms associated with colds and flu, including cough, congestion, runny nose, and sneezing.

2. Allergies: It can be used to relieve symptoms associated with allergies, including sneezing, runny nose, and itchy or watery eyes.

3. Bronchitis: It can be used to treat cough associated with bronchitis, a respiratory infection that causes inflammation of the bronchial tubes.

4. Other respiratory infections: It can be used to treat cough associated with other respiratory infections, such as pneumonia or sinusitis.

5. This  should only be taken as directed by a healthcare professional. It may cause drowsiness and impair your ability to operate machinery or drive a vehicle. Patients should also be cautious about taking other medications that contain antihistamines or cough suppressants while using this medication.