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How Many Units of Dysport Should I Be Given?

The amount of Dysport initially used sounds like it is within a normal range, but that can only be determined by assessing someone in person. The amount used with the second treatments seem more likely to coincide with Botox units as opposed to Dysport units. If the amount used the second time was indeed Dysport units, then it seems like a conservative treatment. Each product is diluted differently and the units are specific to each product. There is not a direct conversion of units from one product to the other, so it is a good idea to find an injector that is familiar with both products and knows the right amount to use. Each product can begin to work at different times. Some people say that Dysport starts to work faster than Botox. Regardless, maximum results are usually reached at 2 weeks for both products. You should contact your injector to see which product was used and have them evaluate you.

Clinical Context

The right Dysport dose hinges on your specific muscle strength and treatment goals, not a fixed number that applies to everyone. A thick frontalis or strong glabella typically needs more units to relax fully than thinner, weaker muscles. Dysport units also aren't equivalent to Botox units, so comparing counts across products doesn't tell you much. Because dosing is individualized to your anatomy and desired outcome, only an in-person assessment can determine whether the amount you're given is actually appropriate for your face.

Answered By

Dr. Steven Williams

President Emeritus of ASPS

Dr. Steven Williams is a board-certified plastic and reconstructive surgeon, a diplomate of the American Board of Plastic Surgery, the Past President of the prestigious American Society of Plastic Surgeons, and a charitable person who dedicates his life to those in need of his unique expertise.

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