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Dysport & Botox Only Lasting a Month, Why Is That?

asked 11 months ago by Castellano in Central FL & NY
Latest answer by Benjamin Barankin, MD
Question viewed 730 times
Tags: long-lasting, not working

I had Botox injections for crows feet and it only lasted a month. My Dr then suggested I use Dysport, so I did, and that only lasted a month. Any suggestions on why the product is not lasting that long? I'm paying $310 a month for the Botox, and if I do the Dysport, I'm paying $290. I thought these products were supposed to last at least six months? Please advise. Thanks so much for your time and attention.

12 answers to Dysport & Botox Only Lasting a Month, Why Is That?

Botox & Dysport

The mode of action is identical for both product . Both block muscle function. Every person is different and can get different results. Because of that I have had people who have had a 1-2 month effect while the usual is 4-6 months in my hands. I think the unit concentration is important. Also I have had better luck with botox then with dysport. I have noticed that Dysport needs more units to get the same affect .

Paul Albear, MD
Tampa Plastic Surgeon

When Botox does not last long

In most instances, Botox usually lasts 3 to 4 months on average, while it may last up to 6 months in some patients. There are several reasons that the product may not last including: Too few Units were injected. For reference, on average 25 units are used for the frown lines. As different physicians use different dilutions (how they mix the product), 0.5cc from one physician may equal 25 units and 0.5cc from another may equal 15 units. Therefore, we meausre... more

Robert S. Bader, MD
Miami Dermatologic Surgeon

Botox not lasting long enough

The most common reason for the Botox to not be lasting long enough is that too low a dose is being injected - the dosing depends on your age and strength of your particular muscles, and is best ascertained by a cosmetic expert such as a dermatologist or plastic surgeon. If you overuse muscles such as by smoking or through heavy weight lifting, Botox will also likely last less time. Botox typically lasts 3-4 months, with some patients getting 5-6 months duration. In a small percentage of... more

Benjamin Barankin, MD
Toronto Dermatologic Surgeon

Dysport/Botox - Dysport & Botox Only Lasting a Month, Why Is That?

It’s all about the Units! There are exactly two questions that need to be asked when considering a Botox/Dysport treatment: How many Units, and how old is the solution (ie, when was it reconstituted or “made up”)? By now, everyone has heard of Botox but there is a lot to discuss and, despite its popularity, there are still some misconceptions about what it does - and what it doesn’t do. Both Botox (Allergan) and Dysport (Medicis) are formulations... more

Alan Engler, MD
New York Plastic Surgeon

Crows feet treatment

The controllable factors that effect the duration of a neuromodulator such as Botox or Dysport are the strength of the solution, muscle density and accurate injection of the target muscle. I have found that the Dyport to Botox unit conversion is about 3 units of Dysport to 1 unit of Botox. I reconstitute both to the same effective strength with 2.5 cc of sterile normal saline (Botox comes in 100U vials and Dysport in 300 units) and that way I get the same effect from both. I do not see a... more

Edwin Ishoo, MD
Boston Facial Plastic Surgeon

Dysport and Botox not working

I agree that the duration of the effect of these agents are dose dependent. Not all Crow's feet are the same and here in Florida I can see patients with VERY extensive (long) and deep rhytids (wrinkles). I believe that most patients require AT LEAST 10-15 units per side depending of the severity of the problem. So yes. You might not be getting enough units injected. This is something that only your doctor can answer. Ask him and/or consider... more

Lawrence Kass, MD
Saint Petersburg Oculoplastic Surgeon

Botox and Dysport are Measured in Units

With both Botox and Dysport lasting only one month, it is most likely you did not receive enough botulinum toxin to make the treatment last. The only way to know how much you were given would be to know the number of units that were injected. Knowing the price alone will not give you this information. I typically start at six to eight units of Botox per side and then increase the dosage as necessary, depending upon the response. I charge $10 per unit of Botox so a typical treatment for... more

Mitchell Schwartz, MD
South Burlington Dermatologic Surgeon

Much of this is dose dependent.

Dysport and BOTOX last about 4 month max. In my experience, if you have a spectacular result from these services, you will begin thinking about getting more treatment as soon as the maximum treatment effect begins to soften which is about 2 1/2 months. When a service disappears faster than this, it is generally because not enough treatment was used to begin with. BOTOX and Dysport are not bioequivalent and they are not biosimilar. This means that your treating doctor... more

Kenneth D. Steinsapir, MD
Los Angeles Oculoplastic Surgeon

How long should BOTOX or DYSPORT last?

As a general rule of thumb, neurotoxins like BOTOX and DYSPORT last about 3-6m. Personal biochemistry, dilution, age of the diluted solution, injection amount and muscle bulk and activity all figure into the equation. You should speak with the physician who performed the injections, and get his or her opinion. I always remind patients that there is always movement seen, because we can't, and don't want to, freeze all the muscles in the face.

Barry Resnik, MD
Miami Dermatologist

Botox vs dysport

Both Botox and Dysport are botulinum toxin. As such they block nerve endings and therefore the affected muscle group can't fire. Both products are reported to last2-6 months. Everyone is different. I even had a patient in whom no effect was seen. Be sure you are getting enough in terms of units per area. Your stated price seems a little high for the south bay

David A. Bray, Sr., MD
Los Angeles Facial Plastic Surgeon

How to make Botox or Dysport last longer

Although there is some inherent variability in duration of effect, Botox and Dysport typically are expected to last 3-4 months. Much of this depends on getting the initial dose correct, which may require adjusting to each patient's response. It isn't clear what you are describing in terms of paying per month rather than by the actual dose. Zinc supplements might help get a better effect, though this hasn't been proven (we are doing a trial to see.)

Richard Baxter, MD
Seattle Plastic Surgeon

Dose and dilution first, immune response, last.

The most common reason is the dose used was inadequate. However, you need to consider the dilution and exactly when the dilution was done...how long prior to your injection. Botox and Dysport are not equivalent, but the effect on SNAP 25 (the actual, action site) is the same. If the dose and dilution are correct, then there is the possibility that you have antibodies against the protein of the molecules. This is quite rare, but is possible if you have been exposed to the bacteria that... more