Why Folks Are Breaking Open Their Mounjaro Pens

Up to date at 2:49 p.m. on August 15, 2024

By the point Lisa began breaking open her Mounjaro pens with pliers, she had run out of different concepts. She was 300 kilos. She had already tried bariatric surgical procedure. (It had restricted success.) She had tried getting her insurance coverage firm to cowl Mounjaro. (It stopped after a month.) She had tried a less expensive copycat model from a compounding pharmacy. (It didn’t work as effectively, and he or she anxious about what she was really getting.) “I used to be completely determined to remain on,” she says, however she couldn’t afford the sticker worth.

That’s when she discovered on-line a few money-saving loophole: She might break up a maximum-strength Mounjaro pen into the smaller doses she wanted. (The only-use injection pens are available in a number of concentrations that value the identical.) One pen turned as many as six. A 12 months of dose-splitting later, she has misplaced 75 kilos—at a fraction of the unique value.

Lisa is amongst a small variety of sufferers who’ve taken to hacking their injection pens. (I’m figuring out Lisa and different sufferers on this story by solely their first names to guard their medical privateness.) As new medicine used for weight reduction—which go by the model names Mounjaro, Ozempic, Zepbound, Wegovy—have skyrocketed in reputation, sufferers have typically discovered that the one-size-fits-all dosing doesn’t, in actual fact, match all. Most dose-splitters try to save cash, however others are managing unwanted effects. They swap suggestions on-line. They take dangers as a result of they wish to keep on a drugs that’s, by many accounts, completely life-changing.

Breaking open the pens is dangerous; it might introduce microbes into the injected drug, which may result in an infection. “We don’t condone these practices,”a spokesperson from Novo Nordisk, which makes Ozempic and Wegovy, advised me. “Folks utilizing Mounjaro or Zepbound ought to by no means ration,” a spokesperson from their producer, Eli Lilly, reiterated. These medicine are offered in pens of various concentrations as a result of sufferers have to ramp up step by step from a low dose to reduce unwanted effects, earlier than getting on the best doses indefinitely for weight upkeep.

Docs uniformly advised me they didn’t advocate breaking open the injection pens. On the similar time, they understood the forces which have pushed sufferers into doing so: Mounjaro, Ozempic, Zepbound, and Wegovy—which all mimic a pure hormone known as GLP-1—are far simpler for weight reduction than any weight problems medicines that got here earlier than them. They’re so highly effective, however so costly that demand has far outstripped the willingness and skill of insurance coverage to pay.

“There’s a whole lot of desperation that we’re seeing in our apply, and folks on the lookout for all types of work-arounds,” says Laura Davisson, the director of medical weight administration at West Virginia College Well being Sciences, who had many sufferers lose protection after the state’s public-employee insurance coverage stopped overlaying the brand new medicine. In rural communities particularly, comparable to the place Sarah Ro, the director of a weight-management program on the College of North Carolina, practices, weight problems charges are excessive and few sufferers can afford to pay out of pocket. She’s heard of sufferers splitting doses to save cash. “Oh my goodness,” she advised me. “I’m going, What have we created?

Even placing prices apart, fixed-dose injection pens should not ideally suited for sufferers. After Ozempic was permitted in 2017—the primary of those medicine to be—docs observed that the usual routine of accelerating doses in four-week increments didn’t work for each affected person. Some sufferers had debilitating unwanted effects of nausea, diarrhea, or constipation at even the bottom, 0.25 mg, dose; they may want to begin at solely half or 1 / 4 of that. Some wanted to go up extra slowly with in-between doses. And a few may be “tremendous responders,” reducing weight so shortly that they by no means want the complete dose in any respect.

Ozempic doses are literally fairly simple to regulate, even when sufferers aren’t technically purported to. In contrast to subsequent medicine, Ozempic is packaged in multidose pens with dials. Solely the official dosages are labeled—0.25 mg, 0.5 mg, 1 mg, 2 mg—however folks shortly reverse-engineered what number of dozens of clicks correspond to at least one milligram. Novo Nordisk formally cautions customers to “not set the dose by counting the variety of clicks.” However docs advised me they contemplate counting clicks to be fairly secure, and a few even suggested their sufferers on Ozempic to take action if a dose wants adjusting. “I don’t have an issue with it,” Davisson advised me. Novo Nordisk makes use of the similar pen for its insulin, permitting folks with diabetes to decide on the quantity of insulin they want.

Wegovy accommodates the identical energetic ingredient as Ozempic, semaglutide, however is permitted for treating weight problems as a substitute of diabetes. (Utilizing Ozempic for weight reduction is off-label, and usually by no means lined by insurance coverage.) Wegovy additionally comes at a barely increased most dose and is packaged otherwise, in single-use, single-dose pens. Which means sufferers on Wegovy can not depend clicks to regulate their doses—despite the fact that it accommodates, as soon as once more, the very same drug as Ozempic. “It’s so irritating,” says Katherine Saunders, an obesity-medicine physician at Weill Cornell Drugs. Saunders advised me she virtually by no means follows the precise ramp-up schedule laid out by drug producers, as a substitute fine-tuning it primarily based on how a lot weight a affected person is dropping and what number of unwanted effects they’re having. Single-dose fastened pens hamper her capacity to personalize the routine. Once I requested if she would like versatile dosing as a physician, she answered, “Sure, oh my gosh, sure, sure.” In Canada and Europe, Wegovy is definitely offered in clickable pens. “We’d like to have that flexibility,” says Fatima Cody Stanford, an obesity-medicine physician at Harvard.

Within the U.S., Mounjaro and Zepbound are packaged solely in nonadjustable single-dose pens. (They each include the identical ingredient, tirzepatide, on the similar doses, however Mounjaro is permitted for diabetes and Zepbound for weight problems.) Because of this sufferers on tirzepatide—which is taken into account barely simpler than the semaglutide in Ozempic or Wegovy—have gone to extra excessive strategies of breaking open these pens. The method is much more sophisticated, requiring sterile medical provides and math to get the proper dosage.

Nicole began dose-splitting as a result of she had terrible vomiting and vertigo the day she elevated her dosage from 2.5 mg to five mg. “I actually was contemplating going to the emergency room,” she advised me. She discovered to separate her first pen so she might ramp up extra slowly with intermediate doses; the cost-saving is good, too. One other dose-splitter, Phil, advised me he has taught a number of of his buddies break up Mounjaro pens too. “For me, that’s actually only a harm-reduction precept,” he mentioned. “There are such a lot of folks this drug may very well be so life-changing for, nevertheless it’s simply completely, ruinously costly.”

For her half, Lisa in contrast the dangers of dose-splitting with the dangers of her options: Both going to a compounding pharmacy, whose copycat medicine may be unreliable or impure, or persevering with to reside with weight problems. “I really feel like that is a suitable threat for me versus the chance of carrying an additional 130 kilos,” she mentioned. She has one other 55 kilos to go earlier than she will get to that concentrate on weight lack of 130. Over time, the dose she wants has gone up, because it usually does. The six doses she received out of 1 pen turned 4, three, two, and now simply 1.5. Ultimately, she’ll in all probability have to get on the complete most dose. She’s glad for the cash she’s already saved, however dose-splitting can solely work for thus lengthy. For most individuals, it’s not a long-term answer for a long-term medicine.


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This text initially said {that a} affected person had bloodshot eyes whereas taking Mounjaro. The truth is, she skilled this aspect impact with a distinct drug.