How I remove my dry cough now

What is the cause of dry cough?
1. Asthma
2. Viral infections and colds
5. Some types of medicines that cause coughing as a side effect
What is the treatment for dry cough? 
1. consult doctor to perform the necessary examinations and determine the means of treatment
2. Avoid polluted areas and smoking, and avoid cold air 
3. Drink drinks rich in vitamin C, such as oranges and lemons
4. If the cause is chest infections, antibiotics such as Amoxicillin will be prescribed for the condition
5. For allergic and asthma conditions, one or several types of asthma treatments are used, such as:
Beta-blockers (oral or inhalation sprays): salbetamol
Cortisone (aerosol or oral): fluticasone
Theophylline
Montelukast
What are the necessary medical exams?
1. Clinical examination by the specialist doctor
2. Examination of chest X-ray
3. Examination of blood gases
4. Laparoscopic examination of the lung and bronchi (if necessary)