How long will it take for the salivary secretion to revert post chemotherapy for tongue cancer?

Hello,

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As per your information, your mother has undergone chemo-radiotherapy for carcinoma tongue with lymph nodes. So while delivering the radiation dose to cancer, the parotid (salivary gland) gland was also exposed to radiation leading to radiation-induced xerostomia (decreased saliva production post-radiation). It is a common side effect of head and neck radiation (I do not have information about what radiation dose was delivered to both the parotid gland and which radiation technique (IMRT or 3DCRT) was performed for the treatment). To stimulate salivary production with some degree of residual salivary parenchyma, patients need to chew gums or suck pastilles and lozenges. Tablet Cevimeline 30 mg three times a day (TDS) for 12 weeks. Artificial saliva spray is another option if salivary production is not stimulated using tablet Cevimeline. (Tell her to drink the right quantity of water at least 0.52 to 0.66 gallons per day). As per the CT (computerized tomography) scan report (dated June 2020), there is soft tissue fullness on the right side of the palate (post-treatment changes or residual disease) for these. You need to consult your primary doctor who has performed the radiotherapy to cross verify the CT finding.

Thank you.