Thank you for consulting HCM.Anxiety
may cause severe mucus secretion so the main thing to minimize mucus secretion.But you need to know that in your case as you are already having GERD
treatment with propton pump inhibitors will play an important role to reduce the symptoms and they are used for 6-8 weeks.You can also do some measures to decrease mucus secretion
-drink more water and hydrate yourself
-gargle with warm salt water
-drink hot teas.
Hope this information may help you.If you still have some problems you can always contact me here for advice.Thank you.