What Causes A Bloated Stomach?
Constipation

Constipation is a common digestive issue that can cause an individual's stomach to feel bloated. In most cases, the underlying cause isn't serious, and it can typically be treated through diet changes, lifestyle changes, and over-the-counter laxatives. If an individual is experiencing chronic constipation, though, they might want to talk to a doctor about whether there may be another underlying condition affecting them. Constipation causes hard and dry bowel movements. Individuals also meet the criteria for constipation if they have fewer than three bowel movements every week.
If stool stays inside the colon for more than a day or two, it tends to harden and become more difficult to pass. Increasing water intake can sometimes help with constipation, as can increasing dietary fiber. The majority of fiber-rich foods are created from plant matter. Other factors that might influence constipation include changes in routine, stress, and medical conditions that slow your colon's muscle contractions. A lack of exercise may contribute to constipation.
Certain Medications

A variety of different medications can cause a bloated feeling in the stomach, burping, or excessive gas. Certain vitamins and supplements can also contribute to bloating. Even if an individual is not taking any prescription medications, several non-prescription medicines can lead to a bloated stomach. Medications for diarrhea can sometimes cause individuals to feel bloated by blocking the body's ability to get rid of stool and fluid. Opioids have also been shown to increase feelings of bloating when administered for pain.
Individuals might experience bloating and gas if they add fiber supplements to their diet. The same is true of multivitamins and iron supplements. If an individual is planning to add any new supplements to their diet or change their medication regimen, they should always consult a doctor first. This is particularly true of individuals who have underlying health conditions. Acetylsalicylic acid (Aspirin) and antacids can both cause patients to feel bloated. If patients think the bloated feeling is caused by a prescription medication, they should call their doctor.