Thanks for your query.
This is a very good question.
It is not possible to have phlegm or a nut stuck in the throat for one month.
I would advise you to consult an ENT Surgeon to get yourself examined if you have any symptoms for clinical evaluation and examination.
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.