Uses that only work if the plate still has fat
Xenical 120 mg uses are obesity management - weight loss and weight maintenance with a reduced-calorie diet - and a labelled bid to lower the chance of regain after prior loss. The BMI gate is ≥30 kg/m2, or ≥27 kg/m2 with hypertension, diabetes, or dyslipidemia.
The capsule is local. Almost none of it needs to enter blood to work. Lipase in the gut is the target. About 30% of the meal's fat leaves unabsorbed. That is also why the bathroom becomes the counselling session.
The fat-plan markup is the gram arithmetic. The GI markup is why people quit in week two.
Generic orlistat 120 mg x 90 capsules, GoodRx Xenical capsule table, 21 August 2026.
Generic orlistat 120 mg, ninety capsules, the Yvessa Xenical lock, 21 August 2026. GoodRx lists 120 mg x 90 at $682.84 average retail and $634.46 with a coupon. Alli 60 mg is OTC and not this prescription NDC. Fat-gram counseling stays in the plan body. Yvessa does not dispense.
Pregnancy, malabsorption, cholestasis
Pregnancy is a contraindication. Chronic malabsorption is a contraindication. Cholestasis is a contraindication. Hypersensitivity to orlistat or a capsule component is a contraindication.
Weight-loss drugs are the wrong tool in pregnancy. If pregnancy starts, stop the 120 mg.
Adolescents 12-16 have labelled trial support (BMI −0.55 vs +0.31 kg/m2 on placebo at a year). This adult 120 mg lock still names that age band as a specialist conversation, not a leftover-capsule plan.
| INN / lock | Orlistat / Xenical 120 mg |
|---|---|
| Action | Gastric and pancreatic lipase inhibition |
| Fat blocked | ~30% at 120 mg TID |
| Systemic absorption | Minimal - local gut drug |
| Not this lock | Alli 60 mg OTC |
What the one-year trials actually counted
Pooled Xenical studies used a reduced-calorie diet with about 30% of energy from fat. Mean weight change from randomisation to the end of year one favoured orlistat over placebo. More people on 120 mg TID reached a 5% and a 10% loss than on placebo in those five large multicenter trials.
Those percents differ by study. This sheet will not flatten them into one marketing number. The point for a uses page is simpler: the capsule plus the diet beat diet alone on average, and a lot of people still did not hit 10%.
Year two in some protocols tested maintenance or regain after prior loss. The regain indication on the label is not a promise that every kilogram stays off if the diet slips.
Adolescent year-one BMI change was smaller in absolute terms (−0.55 versus +0.31 kg/m2 on placebo) and still sat on the same oily-stool profile.
Festival weeks and a skipped capsule
A Geneva festival plate can exceed 30% fat before the first course ends. The honest move is skip the 120 mg or skip the plate. Swallowing three capsules to 'cover' a fondue is how incontinence happens in a theatre seat.
Travel days with no real meal: skip. Airport pastries are carbohydrate, not a lipase target. A greasy sandwich is a target.
If diarrhea is already from a virus, holding 120 mg until the gut calms avoids stacking two leaky stories.
The GI markup is worth handing out before Fetes de Geneve, not after.
This capsule does not mute hunger
People expect a head-feeling like older stimulants. Orlistat has none. If hunger is the complaint, the 120 mg is the wrong tool.
The 30% fat leak only matters when fat was on the plate. Sugar and refined starch still count toward the reduced-calorie plan. A fat-free pastry breakfast plus a 120 mg ritual is how the scale stalls and the person calls the drug a fraud.
Distribute fat across three meals. One huge dinner with three capsules is unlabelled and GI-violent.
BMI ≥30, or ≥27 with a listed risk factor, is the gate. A 'I want to lose five kilos before a wedding' at BMI 24 is not a Xenical indication.
Pregnancy remains a stop. So do chronic malabsorption and cholestasis. Those are contraindications, not cautions.
Antiretroviral and antiepileptic levels can move. Ask the list on day one. Amiodarone exposure can fall. Cardiology owns that pair.
Year-one 5% and 10% responder rates beat placebo and still left many people short of a 10% loss. Set that expectation before the first oily week, not after.
Thirty percent is a number, not a vibe
The fat-plan markup is where gram counts live. This sheet will not print a restaurant menu.
A Geneva fondue night plus three 120 mg capsules is how incontinence stories start. Skip the capsule if you will not skip the fat, or skip the fat.
Exercise and the reduced-calorie plan are still the weight-loss engine. Orlistat is a leak in the fat pipe, not an appetite mute.
Almost no blood level, still a drug
Systemic absorption is negligible at labelled doses. That is why 'I did not feel it' is the wrong efficacy test. The scale and the stool are the tests.
Drug interactions still happen in the gut lumen - cyclosporine, levothyroxine, fat-soluble vitamins, some antiepileptics and antiretrovirals.
Amiodarone exposure can fall. If both stay, the cardiology desk watches. This page will not invent a new amiodarone milligram.
| Absorption | Local gut action; take with fat meals or ≤1 h after. |
|---|---|
| Distribution | Negligible systemic distribution at 120 mg TID. |
| Metabolism | Not a CYP story like fluoxetine; lumen binding and fat trapping drive interactions. |
| Excretion | Unabsorbed fat and drug leave in feces. |
Jaundice is a stop. Stones are a weight-loss tax.
Rare severe liver injury with hepatocellular necrosis or acute failure is on the warning list. New jaundice, pale stool, dark urine, or itching with right-upper-quadrant pain is a hold. Do not wait for the next weigh-in.
Gallstones become more common when weight falls fast. One diabetes-prevention trial listed cholelithiasis as an adverse event in 2.9% on Xenical and 1.8% on placebo. A new colic after a good month on the scale is not 'just the capsules leaking oil'.
Oxalate nephropathy is the quieter renal story. People with stone history need a creatinine plan. Stop if nephropathy is diagnosed.
Organic obesity - hypothyroidism, cortisol excess - should have been thought about before the first 120 mg. The capsule will not fix those.
When skipping 120 mg is the labelled move
No fat on the plate: skip. Missed meal: skip. Viral diarrhea: skip until the gut is yours again. Those skips are not non-adherence.
What is non-adherence is swallowing 120 mg with black coffee then calling the drug useless, or taking three at bedtime to 'catch up' a skipped day.
Travel days with only carbohydrate snacks: skip. A greasy sandwich: take it with that sandwich or within the hour.
If pregnancy is possible, skip and call. The contraindication does not wait for a home test you were going to do next week.
A skipped lunch capsule is not 'owed' at 23:00. The lipase brake only meets the fat that is in the gut at that meal.
If the only fat that day is a late cheese plate, one 120 mg with that plate is the labelled pattern - not a morning capsule 'on principle'.
Oily spotting is the drug working
The common treatment-emergent events at ≥5% and at least twice placebo are oily spotting, flatus with discharge, fecal urgency, fatty or oily stool, oily evacuation, more frequent stools, and fecal incontinence.
They get worse when fat exceeds about 30% of daily energy. That is a diet problem, not proof of a capsule defect.
People quit because they were not told the bathroom story on day zero. The GI markup is the pre-brief so week two is not a surprise.
Rare severe liver injury with necrosis or acute failure has been reported. New jaundice, dark urine, or right-upper-quadrant pain is a stop-and-call, not 'more fiber'.
Beyond the bathroom - labelled cautions
- Oxalate stones and oxalate nephropathy - monitor renal function if risk is already high; stop if nephropathy appears
- Gallstones - substantial weight loss raises cholelithiasis risk (2.9% vs 1.8% placebo in one diabetes-prevention trial)
- Exclude organic obesity (for example hypothyroidism) before the first box
- Antiepileptic, antiretroviral, and amiodarone interactions are on the labelled ask-list
What to recheck after the first month
Weight and waist are obvious. Vitamins if diet is already thin. INR if warfarin is on board. Cyclosporine levels if that pair exists.
Renal function if stone history or known oxalate risk. Liver symptoms at any time.
If the scale has not moved and the stool is still oily, the diet is high-fat and the capsule is doing its job. That is a diet visit, not a dose rise. There is no labelled 240 mg capsule.
Clock for a 120 mg course
US approval of Xenical 120 mg.
GI events peak if fat grams are high.
Honest weight check against diet adherence.
Jaundice or severe abdominal pain - stop and call.
Margin notes on the 120 mg lock
People buy Alli and Xenical together. That is a double lipase brake and a counselling mess. One product, one plan.
A bedtime vitamin swallowed with the dinner capsule wastes the two-hour gap. Move the vitamin.
Warfarin clinics should hear about start week, not month three when the INR has already wandered.
Yvessa quotes 120 mg x 90. A thirty-count is a different ask at the window.
Fat-soluble vitamins on a different clock
Orlistat lowers absorption of some fat-soluble vitamins and beta-carotene. Obese patients may already run low on vitamin D and beta-carotene. The label wants a daily multivitamin that covers A, D, E, K, and beta-carotene.
Take that supplement at least two hours before or after a Xenical capsule. Bedtime is the usual slot so it does not collide with dinner's 120 mg.
Vitamin K changes can move INR in people on warfarin. Stable anticoagulant doses need closer INR checks after start. That is a labelled monitoring sentence, not optional.
Cyclosporine AUC fell 31% when given with 120 mg three times a day; giving cyclosporine three hours after Xenical still dropped AUC 17%. Separate by three hours and measure levels. Levothyroxine sits four hours away.
During the meal or within the hour - then stop guessing
One 120 mg capsule with each main meal that contains fat. During the meal or up to one hour after. If a meal is skipped or has no fat, skip that capsule. Do not 'make it up' at bedtime with a triple swallow.
Spread fat, carbohydrate, and protein across three meals. A 30% fat diet that dumps all the fat into one dinner is how oily spotting gets written as an allergy.
Alli is 60 mg OTC, three times a day with fat meals, total 180 mg. Xenical is 120 mg three times a day, total 360 mg. This lock is the prescription 120. Do not price Alli as if it were Xenical.
| Situation | Capsule? | Why |
|---|---|---|
| Lunch with oil and cheese | 120 mg with or ≤1 h after | Fat is present |
| Black coffee breakfast | Skip | No fat to block |
| Missed lunch, huge dinner | One 120 mg with dinner | Do not triple |
| Alli 60 mg box | Different NDC | Not this lock |
Stamp on the 120 mg fat-block sheet
Survey: 120 mg TID with fat, 30% block, vitamin gap, BMI gate, pregnancy stop.
Draft: Alli 60 mg not priced as Xenical. Cyclosporine and levothyroxine separations written.
Peer-check: Amelie confirms no invented Alli dollar on this lock. Stamp 21 August 2026. [email protected] for sourcing slips.
Sources
- FDA / DailyMed XENICAL (orlistat) - 120 mg TID, 30% fat block, BMI gates, vitamins.
- US label 2 - cyclosporine 3 h apart; levothyroxine 4 h apart.
- US label 6.1 - oily spotting, flatus with discharge, fecal urgency.
Checked against the current label and reviewed by Dr. Amélie Laurent. See Survey, Draft, Peer-check, Stamp.