Dear good day my cough is almost 3 month in and...

Dear Customer,
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What are the Treatments of coughing ?

1.Drink plenty of water
2.Eat healthy non irritant food
3.Take multivitamin tabs like centrum
4.Antibiotic therapy
5.Non steroidal antiinfalmmatory drugs like iboprufen
6.Cefodoxim
7.Bronchicum for cough

What are the causes of coughing ?

1.Bronchitis
2.Bronchiectasis
3.Pneumonia
4.Allergy 
5.Severe asthma

What are the required investigations?

1.Blood analysis
2.Chest x-ray
3.Lung CT
4.Sputum analysis
5.Pulmonary function test

What do we recommend?

Take Ivy calm or bronchicum as they are the best for coughing and if you have phlegm then take mucosova with and follow with your pulmonologist 
We wish you all the best ,
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Kind Regards