Please do not worry about the perforation, which is not a common complication of the diverticulitis. Also this become exceedingly rare if antibiotics are taken. I feel you may reading too much of the medical literature which may have augmented your anxiety and thus the symptoms. Too much fiber is usually not recommended for diverticulosis.
The reasons for excessive intestinal gas, bloating, super noisy abdomen can be;
1) excessive air swallowing.
Anxious people swallow air when they are stressed or anxiety supervenes.
2) increased intraluminal (inside the intestine) production from mal absorbed (improperly absorbed) nutrients,
3) decreased gas absorption due to some pathological condition of intestines like diverticulitis
4) expansion of intestinal gas due to changes in atmospheric pressure
A solitary reason or combination can be responsible for the excessive gas.
Following may help you;
2) This may help;
a) Bismuth subsalicylate
b) Activated charcoal
c) Simethicone; (Maalox, Mylanta); Simethicone causes gas bubbles to break up.
d) Beano; contains an enzyme (alpha-galactosidase), which helps to breakdown certain complex carbohydrates.
All are available without prescription.
Avoid foods that appear to aggravate symptoms. These may include milk and dairy products, certain fruits or vegetables, whole grains, artificial sweeteners etc. But this is based on the personal observation for the aggravating food.
Please feel free for your follow up questions.
I would be happy to assist you further, if you need any more information.
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