Excessive intestinal gas may be due to

• Excessive swallowing during eating
• Excessive production from undigested food

Symptoms of excessive gas are:

• Eructation
• Excessive flatus

Treatment

Dietary restriction of:

• Legumes and raisins
• Milk
• Banana
• Onion
• Carrot
• Potato

Medication

• Simethicone
• Probiotics
• Antibiotics such as Rifaximin