Where Does It Come From?
If you’re among the more than sixty million American adults who have heartburn at least once a month, odds are you’ll pick an OTC medication rather than see your doctor. With what you hear on TV and what you see in magazines, you know there’s a slew of remedies to pick from. The one you buy, though, is the one with the most valuable coupon from the Sunday inserts, right? Right. Heartburn is related to gastroesophageal reflux disease (GERD), but is not exactly the same thing. Heartburn is a sensation of tightness, pain or discomfort that follows an occurrence of acid reflux. Reflux first, heartburn (cardialgia in scientific terms) next. Sometimes there is no discomfort with reflux. Therefore, you can have reflux without heartburn, but you can’t have heartburn without reflux. Reflux is the fire; heartburn is the smoke. The pain is an indication that your esophagus is being damaged by stomach acid. If this happens often, you have GERD.
The exact cause of GERD is not well-defined, but there is awareness that a few factors might be involved, including hiatal hernia (when the stomach pushes up through a hole in the diaphragm), abnormally weak contraction of the lower esophageal sphincter muscle (a ring of muscles where the esophagus meets the stomach to keep food from going backward), and abnormal emptying of the stomach. A welcome announcement is that some of this can be temporary. The management of GERD should be individualized, depending on its seriousness. Mild occasional symptoms can often be controlled with conservative measures, among them diet. Some foods can trigger a GERD episode. Examples include fatty foods, fried foods, alcohol, caffeine, citrus fruits and juices, spicy foods, tomatoes and tomato products, chocolate, carbonated beverages, onions, garlic and dairy. Some foods may be particular to you.
Besides foods, contributors to the agony of reflux include obesity, an epidemic of which is sweeping not only the United States, but also the developed world. Body mass index (BMI) portends the occurrence of GERD (Hajar, 2012), and not just in adults. An increase of a child’s waist circumference, even if normal-weight, elevates risk of reflux disease (Quitadamo, 2012). Some medications can share the blame, too. Calcium channel blockers, theophylline (a bronchial dilator used to treat asthma), nitrates (used to relax blood vessels), and antihistamines are on the list. Smoking, by the way, weakens the lower esophageal sphincter.
How About My Baby?
The causes of infant reflux are easy to understand. The sphincter is insufficiently developed to do its job, so, until it matures, stomach contents creep backward, up and out. It also could be a case of eating too much too fast. Thankfully, this is a self-limiting process that usually resolves by six to twelve months of age (Jung, 2001). In infants, actual GERD is rare, albeit a more serious pathology that warrants medical diagnosis and intervention. Complaints of regurgitation are common during the first year of life, peaking at 4 months (Nelson, 1997).
Here, food intolerance, and especially that of cow’s milk, cannot be discounted, despite what Grandma says about the family history of milk intake. No one can explain why, notwithstanding its use for years, cow’s milk is suddenly a culprit in juvenile gastric complaints of this nature (Semeniuk, 2006). Elimination-challenge studies done in Denmark have demonstrated that cow’s milk hypersensitivity is a real issue (Nielsen, 2004). Inconsolable crying, failure to gain weight, refusing food, bad breath, and burping and hiccups are common symptoms. If the baby vomits, good. Otherwise the pain is doubled as the acid goes back down and multiplies the damage to the esophagus.
What To Do?
If you’ve used all the antacids on the market and have decided to move up to something more potent, the next step is histamine 2 receptor blockers, a.k.a. Pepcid, Tagamet, or Zantac. These drugs can heal the esophagus 50% of the time by blocking the early stages of acid production. No acid, no hurt. But insufficient stomach acid interferes with food digestion, especially of protein. Constipation, dizziness, skin rash, hallucinations, and confusion are side effects. But H2 inhibitors start to work in less than an hour. Yay. Next up the ladder are proton pump inhibitors, the most potent of GERD medications. These include Prilosec, Prevacid and Nexium. They last longer in the body than H2 blockers, but take longer to get started. These have even neater side effects, like tremors, palpitations, muscle spasms, and yellowing eyes. But none of these happen to all people, and some never happen to anybody you know.
How about a natural approach? Stop eating three hours before bedtime and don’t go supine right after a meal. Elevate the head of your bed six inches to work with gravity. Stop eating when you’re satisfied, not when you’re so filled you can’t get up from the table. Lose that gut.
Is There Something I Can Take?
Mucus is the protective barrier between acid and the gastric lining. The amount of mucus in the esophagus is negligible, but may be just enough to protect against the damage and discomfort caused by refluxed acid (Dixon, 2001). Because it is known to improve the secretion of mucus, licorice extract (deglycyrrhizinated licorice), either singly or as part of an herbal complex, demonstrated capability to attenuate acid reflux symptoms (Larkworthy, 1975) by improving the gastric environment (vanMarle, 1981). Carbenoxolone, a synthesized licorice preparation, exhibited effectiveness comparable to drug therapy (Bickel 1981) at increasing mucus thickness.
A combination product called STW5, containing chamomile, clown’s mustard, angelica root, caraway, milk thistle, celandine and licorice root proved to be as effective as cimetidine (Tagamet) in protecting against acid-induced ulcerations (Khayyal, 2001) and was identified as a valid therapeutic option for those who prefer phytotherapy to drugs (Melzer, 2004) (Madisch, 2001).
Melatonin is a supplemental hormone produced by the pineal gland that people use to help them sleep. In the gut it’s been identified as an important signaling molecule, where it seems to have a local effect on esophageal mucosa, stimulating the production of prostaglandin E2, which is protective of that mucus layer (Konturek, June, 2007). Additionally, melatonin inhibits gastric acid secretion while enhancing gastrin release, thus stimulating the sphincter to contract and limit esophagus contact with acid (Konturek, Dec, 2007). Even though melatonin trials are limited, results are significant.
Studies that examine alternative approaches to GERD treatment are in the works. While it is such that proton pump inhibitors (PPI’s), often the first line treatment, are effective for non-erosive GERD, their applicability to other GERD patients is under question. An odd thing about PPI’s is they are often used to diagnose GERD based on a person’s response to the drug. A favorable response indicates that GERD has been effectively addressed. That, however, does not necessarily indicate healing of the underlying pathology, which is almost always a problem with the lower esophageal sphincter. A low-carb diet and weight loss might just be the best bet.
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