What can I do to relieve gas pain?

Anti gas. There are several products that will help you by decreasing gas production, most of them over the counter. More importantly, most of them work the best when taken prior to eating. Make a diet diary and attempt to narrow down which foods seem to trigger the most gas. Adjusting how much an how often you eat these gas producing foods will also help.
Get rid of gas. Reduce gas producing foods - http://www.Mayoclinic.Com/health/gas-and-gas-pains/dg00014, consider using simethicone (gas-x) as needed, but also see a physician to rule out possible medical causes for bloating and gas which can be various ones. Sometimes taking a probiotic can help as well.
Avoid foods/ beverag. Most people with gassy "stomach" will be like that forever. It is part of the irritable bowel syndrome or spastic colon. Lack of pancreatic enzymes too. Learn which foods trigger your symptoms and avoid them (other drs did). If gassy stomach is new for you consult with GI specialist for possible bacterial overgrow which requires antibiotics. Meds: veg. Charcoal, simethicone, phazyme, beno.
Be a detective. Check for clues. Any gassy foods? Prime suspects: dairy, onions, green peppers, garlic, beans, artificial sweeteners (nutraweet, splenda), cabbage, broccoli, brussels sprouts, peas, corn, celery, artichokes, asparagus, and carrots. Fiber sometimes causes gas too. Good luck solving your digestion mystery!
Depends on cause. In general, gas pain can be prevented by avoiding legumes (beans), broccoli, cauliflower, cabbage, chewing gum. Eat small mouthful of food and chew well before swallowing. Avoid sugar free candies/foods, which frequently contain sugar-alcohols which feed gas-forming bacteria in the gut. Simethicone (over the counter) and beano can help with gas pain.
Fiber and water. In an adult, you can try some products like mylicon or simethicone, which are commercially available (ask your pharmacist). However, the bowels are meant to run smoothly (no pun intended) when you take in plenty of fiber and water. Your pharmacist you should also be able to point out a good fiber supplement. Hopefully that will solve the problem quickly. For babies, burp regularly.
Move! Sedentary lifestyle can lead to accumulation of gas in the bowels. Moving around can facilitate the reduction of painful pockets. Consider otc products such as simethicon. Keep fiber in your diet. Consider probiotics to keep healthy non gas producing flora thriving.

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See your Peds Doc. It's common and often no treatment needed. But be sure that your baby didn't catch any infection first. It also might be a first sign of it. Be sure you didn't change a formula recently and continue breastfeeding. See a Pediatrician for a further advise. Read more...