A leading general practitioner has identified six key mistakes that individuals using weight-loss injections, including Ozempic, Wegovy, and Mounjaro, frequently make—errors that could not only hinder their weight-loss progress but also pose serious health risks.
Dr. Donald Grant, a family physician at The Independent Pharmacy, has cautioned that these missteps could lead to severe side effects, potentially resulting in hospitalisation.
The Risks of Increasing Dosage Too Quickly
One of the most common and dangerous mistakes, according to Dr. Grant, is patients increasing their dosage prematurely in an effort to accelerate weight loss.
Typically, users of Wegovy and Mounjaro begin with a 0.25mg weekly injection for the first four weeks, gradually increasing their dose. However, some patients mistakenly believe that taking a higher dose early on will yield faster results—a misconception that can have serious consequences.
“Contrary to popular belief, taking a higher dosage does not equate to quicker weight loss,” Dr. Grant explained. “The body needs time to adjust to the treatment, and increasing the dose too soon can lead to heightened side effects such as headaches, fatigue, and nausea. More alarmingly, it can elevate the risk of serious complications like pancreatitis and dangerously low blood sugar levels, or hypoglycaemia.”
The Dangers of Illegitimate Sourcing
Another significant concern is the rising trend of individuals acquiring these weight-loss drugs through unregulated channels. Reports have surfaced of people obtaining the medication by providing false information about their weight to pharmacies or purchasing it from fraudulent online sources.
Dr. Grant warned that unauthorized sellers operate without proper health regulations, increasing the risk of counterfeit or contaminated products. “These sources do not adhere to the stringent safety standards upheld by legitimate healthcare providers,” he stated. “As a result, individuals may unknowingly expose themselves to harmful substances.”
Misconceptions About Diet and Hydration
Dr. Grant also addressed the misconception that users can eat whatever they want while on these weight-loss medications.
“Many assume that because these drugs suppress appetite, they can indulge in unhealthy foods without consequence,” he noted. “However, consuming excessive processed or sugary foods can cause blood sugar spikes, bloating, and fatigue. A well-balanced diet rich in proteins, fiber, and essential nutrients remains crucial for maintaining overall health.”
Hydration is another overlooked factor. “Failure to drink enough water can intensify side effects, particularly for those adjusting to the medication,” Dr. Grant said. “Proper hydration is essential not only for minimizing discomfort but also for supporting effective weight loss.”
Monitoring Side Effects and Adherence to Treatment
Dr. Grant emphasized the importance of keeping medical professionals informed about any side effects experienced while using these medications. “Patients should not dismiss symptoms like nausea, diarrhoea, or fatigue. Consulting a healthcare provider can help manage these effects and ensure a better treatment experience.”
Additionally, he stressed the need for strict adherence to the prescribed regimen. “Skipping doses can disrupt the medication’s effectiveness, increasing appetite and slowing progress. Individuals should carefully consider the long-term financial and logistical commitment before beginning treatment.”
The Role of Weight-Loss Injections in Health Management
These medications, which mimic the GLP-1 hormone to regulate appetite, have been hailed as a groundbreaking tool in combating obesity. In addition to promoting weight loss, studies suggest they may reduce the risk of heart attacks and strokes.
However, they are not without risks. Side effects range from mild digestive discomfort to severe conditions, including bone pain and a potential increased risk of thyroid cancer.
An investigation by The Mail on Sunday earlier this year found that nearly 400 patients had been hospitalised in the UK due to complications linked to weight-loss injections.
Under current NHS guidelines, Wegovy and Mounjaro are prescribed only to patients with a body mass index (BMI) exceeding 35, or between 30 and 34.9 if they meet specific health criteria. Meanwhile, Ozempic is primarily intended for diabetes management but is often used off-label for weight loss.
Dr. Grant’s insights underscore the importance of using these medications responsibly and under professional supervision to maximize benefits while minimizing risks.
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