You meals are protein dense which reduces colon transit time increasing constipation.
Oats are a cereal grain and bran from cereal grains are known to exacerbate IBS symptoms. Oat bran is about 4-8% soluble fiber and 8-10% insoluble fiber. The IBS research shows that bran is not particularly effective for relieve IBS symptoms and may in fact worsen them. You might consider switching to fruits such as berries and semi-ripe banana.
In a previous posting I seem to recall you have problems with fruits with excess fructose. If this is correct then honeydew melon could be a problem because it is high in excess fructose.
Deli chicken may have additives/preservatives such as sodium nitrate which can exacerbate IBS symptoms. Have you checked the ingredients?
Cliff Builders Bar contain inulin a soluble fiber that is known to exacerbate IBS symptoms. (See Heather's warning )
What Pita Chips are you eating? Stacy's Pita Chips contain whole wheat flour and oat bran.
Ling Ling chicken potstickers contain cabbage and green onions. These sulfur-containing veggies can be problematic ingredients for many.
In a previous posting you asked about Pristiq (Prestiq). It side effects include constipation.
Has you doctor ruled functional constipation or done a transit time study?
By the way - bloating and distention occur with all IBS subtypes not just IBS-C.
-------------------- STABLE: ♂, IBS-D 50+ years - Science of IBS