Nonimmune Adverse Reactions to Food

The vast majority of ARF are not immunologic in origin (see Table 57-1) and by virtue of their prevalence, are important considerations in the examination of patients complaining of ARF. Food toxicity or food poisoning results from microbial contamination of food causing primarily GI manifestations due to preformed toxins (eg, staphylococcal enterotoxin) or replication of enteric pathogens (Campylobacter, Salmonella, Shigella, Escherichia coli). These reactions can be distinguished from other ARF because they usually do not recur and have fairly characteristic presentations. Occasionally, a self-limited infection may result in a postinfectious irritable bowel syndrome (IBS). This is discussed in the chapter on IBS (see Chapter 39, "Irritable Bowel Syndrome") and the chapter on traveler's diarrhea (see Chapter 50, "Traveler's Diarrhea").

Constipation Prescription

Constipation Prescription

Did you ever think feeling angry and irritable could be a symptom of constipation? A horrible fullness and pressing sharp pains against the bladders can’t help but affect your mood. Sometimes you just want everyone to leave you alone and sleep to escape the pain. It is virtually impossible to be constipated and keep a sunny disposition. Follow the steps in this guide to alleviate constipation and lead a happier healthy life.

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