SIBO Breath Testing in San Clemente, CA

You give a baseline breath sample, drink a measured amount of lactulose or glucose, and then collect breath at timed intervals. Microbes that ferment the substrate produce hydrogen or methane. Those gases enter the blood and leave in the breath, where the kit measures them. The pattern of the rise, and when it happens, is the result. A single number without a timeline is not the test.

SIBO breath testing takes a few hours of your morning. You do not eat during the collections, and you do not exercise through them. The review visit afterward often runs 30 to 60 minutes depending on the plan. The test itself is the longer, quieter part, done at home with a timer.

Lactulose and glucose are different substrates. Glucose is absorbed earlier in the small intestine, so it may miss a problem farther down. Lactulose travels farther and can be fermented by ordinary colon bacteria if transit is fast, which is one way a graph gets confusing. Dr. Tara Kohen picks the substrate from the question, not from whichever kit is on the shelf.

The day before is a prep diet, plain foods the instructions list, then a fast. The prep exists so leftover fermentable food does not light up the baseline. Skipping the prep is a common reason a graph is unreadable. If you cannot do the diet because of another medical need, say so before you start. A botched prep is worse than a delayed test.

A rise in hydrogen or methane after the drink means fermentation happened, and the timing suggests where along the gut that fermentation was likely. An early rise is the pattern people mean when they say small intestinal bacterial overgrowth. A late rise can be ordinary colon fermentation, especially with lactulose. Methane is associated, in many people, with slower transit and constipation. Hydrogen is often discussed with looser stools.

SIBO as a label should follow the graph and the symptoms together. Bloating that is clearly tied to meals is part of the story. Brain fog by itself is not a reason to declare overgrowth. GI-MAP stool testing looks at stool organisms and inflammation markers. It does not draw this gas curve. The two tests are allowed to disagree, and the disagreement is discussed rather than averaged.

False positives happen. A fast transit time can make colon gas look early. A prep that was not followed can raise the baseline. A substrate that does not match the question can overcall or undercall. Dr. Sani Kohen will say when the graph is messy. A messy graph is not rounded up into a treatment just so the test feels worth the fee.

Symptoms decide whether a borderline rise is acted on. A dramatic rise with a matching story is more useful than a small wiggle in someone who feels well. The lab fee is an additional cost, explained before you order, without a fictional price. A free 20-minute consultation can decide if breath testing is the right question. FRI is out of network, accepts HSA and FSA cards, and provides a superbill for the visit.

Expect a quiet morning at home with a timer, a drink that may taste plain or slightly sweet, and tubes or a device you breathe into on schedule. The prep diet the day before is part of the test. Set the day aside. Results are reviewed in person so the timing of the rise can be explained on the graph, not in a one-line message.

You should leave the review knowing whether the pattern was early, late, hydrogen, methane, or too messy to use. Next steps, if any, are matched to that pattern and to how you actually feel. A test that does not match the story is allowed to be set aside.

San Clemente has two terrains that matter clinically. The Pier Bowl, the beach trail, and the streets near the water are relatively level and sandy. Talega, Forster Ranch, and the newer hills are the opposite: repeated grades, youth sports, and a drive just to reach I-5. Surfing at Trestles and along the pier loads shoulders and low backs. Hill neighborhoods load knees on the way down and necks on the drive. We ask which part of town you live in because the home program has to match the grade outside.

A lot of San Clemente patients are trying to stay active while working north of here. The I-5 commute itself is a sitting test. If your low back or sciatica eases when you walk the beach trail and worsens in the car, that detail changes the exam. Tell us the direction of the commute and how long you sit, not only where it hurts.

The drive is I-5 north through San Juan Capistrano into Mission Viejo, about 16 miles. Without a slowdown it is a little over 20 minutes. A backup through the Capistrano stretch pushes it toward 35. Exit for the La Alameda side of Mission Viejo and come to 26400 La Alameda, Suite 100, CA 92691. Parking is on site. The doors are open Monday through Thursday, 9 to 6.

Because the drive is simple, people sometimes stack a visit onto a day that already includes a surf and a commute. Say if that is the plan. We may want the exam before the surf, or we may want you to skip the session that morning so the tests mean something. Call (949) 312-1754 if you are sorting the order. The 20-minute consultation can be the first appointment if you are not ready for a full evaluation.

Board sports and trail hills make shoulder, neck, and knee complaints ordinary reasons to come north. McKenzie-based spine care is a fit when back or leg pain has a clear directional preference. Corrective exercise is how a Talega hill gets written into the plan instead of fought with a generic core sheet.

Families also come for problems that are not sports. Thyroid, sleep, and migraine questions are evaluated with the limits those conditions require. A migraine plan does not replace a neurologist. A thyroid plan does not replace the prescriber. Read the city overview at the San Clemente chiropractor page.