Strong Ibs Flare Up, Back Pain, Chills Subsiding, Now Atday

Strong ibs flare up, back pain, chills subsiding, now atday 6. Have introduced porridge three days ago , an egg and mashed potato yesterday, dry toast and hard cheese cheese and chicken broth, also probiotic yogourt today. I'm introducing food gradually to the diet. Lots of warm liquids. First 3 days no food. What food can we add to the diet to avoid more spasms and trapped wind. Thinking of nutrition. Partner leans toward diarhhea, rarely constipation. Food suggestions for the next few days? Also, doing yoga positions for wind relief... effective.
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