Thank you for posting your query on ATD.
I have gone through your query and understand your concern. Your backache may be related to your cough. You can take analgesics such as ibuprofen for pain relief. For cough, Cetirizine can be helpful in relief. But you need to get an investigation such as sputum examination and clinical examination by
Hope your query get answered.
Wishing you a good health.
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