Why do weight-loss pens only work for one month?

Typically, the weight-loss pens that doctors prescribe to patients contain a size sufficient for about a month's use. The main reason is...For safety and ease of tracking results. For example, the doctor might schedule monthly appointments for the patient to assess symptoms, side effects, and consider adjusting medication dosages as needed. Taking a full course of medication within one month will help reduce the risk of medication deterioration and makes storage easier.ด้วย

Another thing is, precisely dispensing the right amount of medication into each pen like this. It also helps prevent accidental overdoses.

This answer provides only preliminary information. Please schedule an appointment with a doctor for a detailed examination and information.

Why do weight-loss pens only work for one month?

Calculating the dosage per use.

The manufacturer calculates the amount of medication in each pen to be sufficient for one injection. Approximately one month. (30 days)
The dosage will be related to the recommended daily or weekly dose (depending on the type of medication).
- Liraglutide (Saxenda): Inject daily, maximum dose 3 mg/day.
- Semaglutide (Ozempic/Wegovy): Inject once a week, with a maximum dose of 1-2.4 mg/week.

For convenience and safety.

Setting the limit to 1 month/handle helps reduce errors in use, such as overdosing or using old medication for too long.
Prevent harm from using expired or contaminated medication, as these types of drugs should be stored in the refrigerator and used within the specified time.

Monitoring outcomes and side effects.

Patients typically need to see a doctor or pharmacist every 4 weeks (1 month) to monitor symptoms and side effects.
Dispensing medication in full-month doses allows doctors to closely monitor the effectiveness and safety of the drug.