Why Does Eating Trigger My Acid Reflux?

From a FODMAP perspective, no. Black coffee is FODMAP-free and safe for most people with IBS at standard servings (one to two cups). However, coffee is a known gut stimulant that increases intestinal motility and may worsen diarrhea-predominant IBS (IBS-D) symptoms regardless of its FODMAP content.

It depends on the type and amount. Milk chocolate contains lactose that can trigger IBS symptoms, while dark chocolate (70%+ cocoa) is lower in lactose and may be tolerated at 30g. White chocolate is highest in lactose. Additionally, chocolate contains caffeine and fat that can independently stimulate gut motility.

It depends. Plain tomato sauce made from just tomatoes is low-FODMAP at up to half a cup (100g). However, most commercial tomato sauces contain garlic, onion, and added sugars that make them high-FODMAP. Always check labels or make your own sauce using garlic-infused oil and canned tomatoes.

Yes. Garlic is one of the highest-FODMAP foods due to its concentrated fructan content. Even a single clove (3g) can trigger bloating, gas, and cramping in people with IBS. There is no safe serving size according to Monash University. Garlic-infused oil is the recommended alternative, as fructans don't dissolve in fat.

Yes. Onions are one of the most common IBS triggers due to their very high fructan content across all varieties — white, red, brown, and spring onion bulbs. Even small amounts used in cooking can cause significant bloating, gas, and pain. Use the green tops of spring onions as a safe alternative.

Yes. Orange juice is high-FODMAP due to concentrated excess fructose and sorbitol from juicing multiple oranges into a single serving. A glass of OJ contains the sugars from 3-4 oranges without the fiber that slows absorption. Limit to 125ml (half cup) or switch to small portions of whole orange instead.

No. Red wine is low-FODMAP at one standard glass (150ml) and is generally well-tolerated from a FODMAP perspective. It contains no significant fermentable carbohydrates. However, alcohol itself can irritate the gut, so moderation is key. Dry red wines are better tolerated than sweet dessert wines.

It depends. One standard beer (375ml) is generally low-FODMAP, but larger amounts can accumulate enough fructans from barley and wheat to trigger symptoms. Lagers tend to be better tolerated than ales or wheat beers. Beyond FODMAPs, alcohol itself can irritate the gut lining and worsen IBS symptoms.

Post-meal bloating is one of the most common IBS symptoms, often caused by fermentable carbohydrates (FODMAPs) in your food. When these sugars reach the large intestine undigested, gut bacteria ferment them rapidly, producing gas that stretches the bowel wall.

Nausea after eating affects up to 38% of IBS patients. It is often caused by delayed gastric emptying, visceral hypersensitivity, and the fermentation of FODMAPs in the gut.

Stomach pain after meals in IBS is often caused by visceral hypersensitivity combined with the fermentation of FODMAPs. Your gut nerves overreact to normal digestive processes like gas production and bowel stretching.