Hi sir

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Regarding your question,

Treatment of cough

It is common complaint due to many factors and causes. Based on what you mentioned i see the following

• It is related to flu you have thus do not worry
• Increase your daily intake of hot drinks to relieve cough
• Take anti cough syrup like promethazine syrup 5 cc three times daily to relieve cough
• Do not worry about blood which is due to recurrent cough just.

Symptoms of upper respiratory infection

The commonest symptoms of like condition is by the following

• Fever
• Headache
• Sore throat
• Cough
• Runny nose
• Joints and muscles pain

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Kind Regards