Hello - thanks for asking your question.
Although I am an internal medicine physician, please see your primary
care physician for specific questions regarding any individual cases
please do not use Google Answers as a substitute for medical advice.
I will be happy to answer factual medical questions.
There are a variety of gastrointestinal and gynocological conditions
that can present with bloating and a distended belly.
Of course, IBS itself makes the abdominal viscera more sensitive -
which can lead to the sensation of bloating and gas.
Other considerations would be the various causes of dyspepsia (i.e.
peptic ulcer disease, inflammation of the esophagus or stomach, or
GERD), and abdominal obstruction which can also manifest as bloating
A disease known as gastroparesis can also result in bloating.
Otherwise known as delayed gastric emptying, this is associated wtih a
variety of neurological and systemic diseases (i.e. diabetes).
Finally various malabsorption syndromes (i.e. Celiac disease, fat or
carbohydrate malabsorption) can also cause abdominal distention and
In conjunction with your personal physician, an upper GI series or
upper endoscopy (to evaluate for upper GI anatomical lesions, ulcers
or inflammation), gastric emptying scan (to evaluate for
gastroparesis), abdominal CT scan (looking for obstruction) and
various tests for malabsorption (antibodies for Celiac disease, tests
for fat and carbohydrate malabsorption), can all be considered.
Regarding gynocological causes for abdominal distention. Ovarian
cancer can also present this way. Other symptoms include lower
abdominal discomfort or pressure, bloating, constipation, irregular
menstrual cycles, low back pain, fatigue, urinary frequency, or
dyspareunia (pain on intercourse). An ultrasound can be discussed
with your personal physician to further evaluate this possibility.
Other gynocolocial conditions that you may want to discuss include
other ovarian diseases - including ovarian cysts, abscesses,
infections or torsion -endometriosis, uterine masses (cancer or benign
tumors) or intrauterine or ectopic pregnancy.
This answer is not intended as and does not substitute for medical
advice - the information presented is for patient education only.
Please see your personal physician for further evaluation of your
Please use any answer clarification before rating this answer. I will
be happy to explain or expand on any issue you may have.
No internet search engine was used in this answer. All sources are
from physician-written and peer-reviewed sources.
Chen et al. Diagnosis and staging of ovarian cancer. UptoDate, 2003.