Gastrostomy was done to me 3 weeks back and I ended up having an infection on my lungs, which resulted in continuous coughing.
You may need antibiotics, check with your doctor.
Take one teaspoon of honey mixed with 1/4 teaspoon of cinnamon powder three times a day. Antimicrobial, anti-inflammatory and antioxidant properties of honey and cinnamon has a powerful healing properties. As you had recently gone through the surgery consult with your doctor before starting this home remedy.