Does Sildenafil Expire?

Does Sildenafil (Viagra) Expire?

Viagra is an oral medication approved by the FDA for the treatment of erectile dysfunction (ED). Like all medications, Viagra has an expiration date. This is two years from the date of manufacture.

The stability data and clinical studies supporting sildenafil’s 24-month expiration date are documented in documents submitted by the pharmaceutical company to the U.S. Food and Drug Administration (FDA) during the review process prior to Viagra’s approval in 1998. Pharmaceutical companies indicate this date and the lot number on boxes of 30 or 100 tablets or on replacement bottles.

But what does this date really mean? Since 1979, the FDA has required an expiration date for all medications, whether over the counter or prescription. This is the date until which pharmaceutical companies guarantee that the medication will be stored in its original, sealed container. Once opened, the expiration date may no longer be valid.

Pharmacies typically open Viagra bottles and dispense only the number of tablets needed to fill a prescription. Doctors typically prescribe 6 to 12 tablets at a time. This is because most health insurers, including Blue Cross Blue Shield, set a monthly coverage limit for Viagra. Most insurers only cover 6 to 12 tablets per month. Therefore, the bottle typically lasts for a year. Therefore, the general rule of thumb is that Viagra expires approximately one year after the prescription is issued.

However, this does not mean that a medication is automatically unsafe after its expiration date. In fact, a U.S. Army study found that 88% of 122 medications analyzed remained stable and safe for more than a year past their expiration date. Therefore, the expiration date has been extended by an additional one to five years. Other studies on medications with extended expiration dates have shown that some remain effective 15 years after their expiration date.

So why is there such a difference between these periods? The reason is that the expiration date and the shelf life of a medication are different. The expiration date is the date up to which the manufacturer guarantees the medication’s efficacy and safety. Shelf life, on the other hand, refers to the total period during which the medication can be safely taken. Some people misunderstand the concept of an expiration date and believe that a medication will expire immediately after this date. In reality, an expiration date simply means that not enough research has been done to confirm the medication’s efficacy or safety after this date.

Are Their Safety Risks with Using Expired Sildenafil?

The use of expired sildenafil like Sildalist 120mg is generally safe, but its effectiveness may be questioned. Potential safety concerns include:

• Reduced efficacy: The main concern is chemical degradation of the drug, which can lead to its loss of effectiveness.
• Reduced efficacy: Expired sildenafil may not produce the desired effect, and the results of ED treatment may be unsatisfactory.
• External alterations: Signs of drug contamination, such as discoloration or an unusual odor, may indicate gradual deterioration rather than a simple decrease in effectiveness and may pose additional risks.

Serious safety concerns are rare, but it is always advisable to take medications before the expiration date to ensure optimal efficacy and safety.

Expired Viagra Side Effects

Although expired Viagra probably won’t affect your erection, you shouldn’t worry about any specific side effects if you take it after the expiration date. However, Viagra’s side effects remain the same: dizziness, headaches, indigestion, and, rarely, priapism. These side effects are no more common with expired Viagra than with fresh Viagra.

Some men claim that Viagra’s effectiveness decreases with age, and therefore the risk of side effects also decreases. This is entirely true. However, intentionally taking expired Viagra to avoid side effects is never a smart strategy. Just because it’s less effective doesn’t mean it’s completely ineffective.

Again, it’s best to avoid expired Viagra.

What If You Take Expired Viagra?

Rule of thumb: Don’t take expired medications. At best, they’ll have little or no effect. At worst, they’ll cause significant discomfort.

Viagra, like most erectile dysfunction medications, works through the PDE5 enzyme. PDE5 regulates blood flow to the penis by controlling vascular smooth muscle contraction. Inhibiting this enzyme increases blood flow, resulting in stronger erections in cases of erectile dysfunction.

If you take Viagra after the expiration date, there’s no guarantee that this effect will last. The molecular structure of the active ingredient, sildenafil, deteriorates over time, which can lead to a loss of effectiveness.

What happens if you take expired Viagra? Probably nothing. But if you’re relying on Viagra to treat erectile dysfunction, it’s not a good idea. To ensure you see real improvement in your performance, make sure your medication is up to date before using it.

References

https://ro.co/erectile-dysfunction/does-viagra-expire/

https://upguys.com/blog/sildenafil-expiration

https://www.manual.co/blog/shelf-life