Dysentery

An intestinal infection causes severe diarrhea with blood.In some cases, there can even be mucus in the stool. Usually, it lasts for 3 to 7 days.

Other symptoms may include:

Cramps or pain in the abdomen, nausea, vomiting, and high fever, it causes severe dehydration that can be life-threatening if left untreated.

Gas

Gas in the stomach condition is a common problem.

Generally, it can be mild and occasional but sometimes it can severe and painful too. Although symptoms often after eating or drinking, not all gas is food caused. Sometimes, it's a symptom of a severe problem.

Symptoms

Stomach gas causes several digestive symptoms, varying from person to person. Common symptoms are like:

belching or burping, stomach cramps, stomach bloating, or a feeling of fullness distention, increase in abdomen size, and chest pains

Acidity

When the stomach creates more acid than needed for the digestion process, there is a feeling of a burning sensation. This condition is called acidity or acid reflux. If someone experiences it more than two times a week, they may have acid reflux disease.

Symptoms

Common symptoms of acid reflux are:

• Burning pain or discomfort that one may feel in the stomach, abdomen or chest, or throat.
• A sour or bitter-tasting acid causing a nauseating sensation

Bloating

When there is excessive gas in the digestive system, it causes bloating. Most people experience full, tight, or swollen abdomen. The abdomen may feel hard and painful.

Other symptoms of bloating are like:

pain, frequent burping or belching, abdominal rumbling, or gurgles

Heartburn

Heartburn is a common problem caused by acid reflux or acidity. Indigestion causes acid influx that creates a burning pain in the lower chest.

Symptoms

The most common symptom of heartburn is a feeling of heat, sometimes burning, in the chest and throat, which is caused by stomach acid.

Other symptoms are like:

Burning sensation in the chest, pain sometimes rising to the jaw, burning, and foul taste of acrid in the mouth.

Crohn's Disease

Crohn’s disease is a type of inflammatory bowel disease that causes prolonged inflammation of the digestive tract.

Crohn’s disease can be mild to debilitating; its symptoms vary and change over time. In severe cases, it can lead to life-threatening complications.

Symptoms

The symptoms develop gradually; some may worsen over time. It’s rare, but symptoms do develop suddenly sometimes. The early symptoms may include: diarrhea, abdominal cramps, blood in stool, fever, fatigue, loss of appetite, weight loss, bowels not feeling empty after a defection, and frequent need for defection.

Food Poisoning

Foodborne illness or food poisoning is a result of eating contaminated, spoiled, or toxic food. The most common symptoms are nausea, vomiting, and diarrhea.

Food poisoning is often easy to detect. Symptoms can vary depending on the source of the infection. So does the length of time it takes for symptoms to appear; it can vary from as short as 1 hour to as long as 28 days. Common cases typically include a minimum of three of the following symptoms:

• abdominal cramps
• Diarrhea
• Vomiting
• Loss of appetite
• Fever
• Weakness
• Nausea
• Headache

Potentially life-threatening food poisoning may have symptoms like:

• Diarrhea for more than three days
• High fever
• Difficulty in seeing or speaking
• Signs of severe dehydration, including dry mouth, little to no urine, and difficulty in keeping fluids down
• Blood in urine