Actually NO. IBS may cause bloated stomach but not heartburn.

For your heartburn:

Solutions for acid reflux involve making lifestyle changes such as avoiding certain foods, losing weight, stopping smoking and exercising regularly.

Avoid the overuse of over-the-counter medications such as antacids, anti-gas or ant-flatulence drugs, oral suspension and H-2 receptor blockers as they may cause side effects such as constipation and diarrhea.

Natural Remedies

Natural and holistic treatments have been used for centuries to treat and provide symptomatic relief for digestive problems. Homeopathic remedies are safe and effective to use for people of all ages without unwanted side effects. Carefully selected ingredients such as Calc phos, Carbo veg, Nat phos, Mag carb and Silicea helps to neutralize acid in the stomach as well as cleanse and eliminate toxins from the body and relieve symptoms of heartburn, indigestion, bloating and gas.

This remedy http://www.healthherbsandnutrition.com/products/acidfreeflux.htm is a well known 100% natural homeopathic remedy and you may give it a try to relieve yourself from this absolute misery in a natural way.

Hope all that helped

Good Luck!

For more info & recommendations on other related remedies on acid reflux, you may wish to read further on http://www.healthherbsandnutrition.com/remedies/a/acidreflux.htm