Thanks for your query.
Read and understood your problems of coughing, loss of voice and pain in throat.
You should avoid all the oily and
Spicy foods. Also avoid too hot and too cold foods and beverages.
Additional treatment required is :
Voice rest strictly
Antibiotics and supportive treatment.
These measures together will help you to recover faster.
I hope this answer helps you.
These Q&A’s are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.