Weight loss medications can be a valuable tool in managing weight, but like all medications, they have a limited shelf life. Using expired weight loss medication can pose several risks, including reduced effectiveness and potential health complications. This article explores the dangers of using expired weight loss medications, focusing on medications like semaglutide (Ozempic and Wegovy), and provides guidance on proper storage, disposal, and alternative options.
The Importance of Expiration Dates
Most people pay close attention to the use-by dates on foods, but it's equally important to be mindful of medication expiration dates. The Expiration Dating Law, passed in 1979, requires that all medications, both over-the-counter (OTC) and prescription, have an expiration date printed on the packaging. This date is the manufacturer's guarantee of the medication's stability and effectiveness if taken before that date.
According to Reissig, very few medications become toxic after their expiration date. However, most medications simply lose effectiveness over time due to changes in their chemical composition. In some situations, taking expired medications can have serious health consequences, especially for medications that require a precise dosage to treat a specific disease or condition.
Risks of Using Expired Weight Loss Medications
Using expired weight loss medication can lead to several potential problems:
Reduced Effectiveness
The chemical makeup of medications is designed to hold up only for the period specified on the label. If you use an expired vial of weight loss medication, you may notice reduced efficacy, which can stall your weight loss journey. Expired medications may not control blood sugar or support weight loss as effectively due to dose-dependent benefits. In the case of expired antibiotics, they typically lose some of their potency, making it unlikely they’ll completely kill the bacteria causing an infection.
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Potential Health Complications
Taking medications at less than full potency could lead to potentially dangerous health complications. For example, using expired insulin for diabetes can lead to diabetic ketoacidosis, a condition in which there isn’t enough insulin in the body. Similarly, expired nitroglycerin for angina may not provide the necessary relief during a medical emergency.
Bacterial Growth and Contamination
Liquid medications are prone to infection-causing bacterial growth, which can be particularly dangerous for eye drops and other sterile solutions. Studies have found that multi-dose medication vials can develop bacterial growth over time, leading to serious infections.
Unknown Safety Risks
Once a medication passes its expiration date, the manufacturer no longer guarantees its strength, quality, or purity. The FDA warns that expired drugs may not work as intended and could potentially form harmful breakdown products. While there's no evidence that expired weight loss medications become toxic, the lack of safety data means you're taking an unknown risk.
Special Considerations for Semaglutide (Ozempic and Wegovy)
Semaglutide, sold under the brand names Ozempic and Wegovy, is a biologic medication used for blood sugar control and weight loss. Biologics, made from living organisms, are more fragile than typical pills and can lose potency quickly after expiration.
Understanding Expiration Dates vs. Beyond-Use Dates
It's important to distinguish between expiration dates and beyond-use dates. Expiration dates are the manufacturer's guarantee of full potency and safety until a specific date. Beyond-use dates indicate how long a medication remains good after it has been opened and put into use.
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Unopened semaglutide pens are stable for 36 months when properly refrigerated. After first use, they’re good for 6-8 weeks, depending on the specific product. Always adhere to the shorter timeframe.
Risks of Using Expired Semaglutide
- Protein Breakdown: As a protein drug, semaglutide can undergo physical changes over time, such as aggregating into clumps or fibrils, which reduces the amount of active medication you're actually getting.
- Visual Signs of Spoiled Semaglutide: Don't use semaglutide if you notice cloudiness, particles floating around, color changes, or crystals/clumps in the solution.
- Reduced Effectiveness: Expired semaglutide may not control blood sugar or support weight loss as effectively, potentially leading to worsened blood sugar control or less weight loss than expected.
- Contamination Risks: Injectable medications like semaglutide carry a risk of bacterial contamination, especially as they age.
Proper Storage of Weight Loss Medications
Proper storage can help maintain the effectiveness of your weight loss medications up to the expiration date, but it can't extend the medication's life beyond that point. Unless instructed by the pharmacist to store medications in a particular way - in the refrigerator, for example - medications should be stored in a dark, temperature- and humidity-controlled location. Extreme heat or cold, light and high levels of humidity can cause some medications to lose stability and thus reduce their effectiveness.
General Storage Guidelines
- Store medications in a cool, dry cupboard out of direct sunlight.
- Avoid storing medications in the bathroom due to frequent changes in humidity.
- Keep medications in their original bottles and do not combine them.
- Use a highlighter or sticker to mark expiration dates or open dates, especially for infrequently used medications.
Specific Guidelines for Semaglutide
- Before first use, store semaglutide pens in the refrigerator at 36-46°F (2-8°C).
- After first use, Ozempic can be kept at room temperature (up to 86°F or 30°C) for up to 56 days.
- Never freeze semaglutide, as freezing destroys protein medications.
- Protect semaglutide from heat and light by avoiding leaving pens in hot cars or direct sunlight.
Safe Disposal of Expired Medications
The Environmental Protection Agency and local water and sewer districts ask that medications not be flushed down the toilet or sink, as many can cause issues in the sewers and water treatment facilities. Expired medications can be disposed of in the regular trash if precautions are taken to ensure that children or pets cannot gain access to them. However, the best option is to participate in one of the periodic medication take-back events.
Disposal Methods
- Medication Take-Back Events: Participate in medication take-back events, such as National Prescription Drug Take-Back Day, where DEA-authorized collectors safely and securely collect and dispose of prescriptions containing controlled substances and other unused medicines.
- Regular Trash Disposal: Expired medications can be disposed of in the regular trash if precautions are taken to ensure that children or pets cannot gain access to it.
- Flushing: Some medications have specific instructions to flush leftovers down the toilet. These medicines are dangerous if people or animals find them in the garbage. Don’t flush all of your medications, though - just the ones on the FDA’s flush list.
- Prefilled Syringes: Handle prefilled syringes with needles properly, usually in a sharps container or through your local pharmacy or take-back program.
Alternatives to Using Expired Medications
If you find yourself with only expired weight loss medication, resist the temptation to use it. Here are better alternatives:
- Contact Your Healthcare Provider: Your provider can help you find solutions, whether that's getting a new prescription, finding patient assistance programs, or exploring alternative medications.
- Look into Manufacturer Programs: Many pharmaceutical companies offer patient assistance programs that can help with costs.
- Check with Your Pharmacy: Ask your pharmacist about generic alternatives or other GLP-1 medications that might be more affordable or available.
- Don't Ration or Stretch Your Current Medication: It may be tempting to try to make your medication last as long as possible if and when there are shortages, but safety always comes first. Don’t try to use your semaglutide past its expiration date.
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