Botox Migration if Too Much Was Injected?

There is a standard amount of diffusion or spread of the Botox that occurs after injection. You should not bend down for several hours after Botox to minimize this diffusion. Botox is not usually injected immediately above the mid eyebrow to avoid diffusion into the upper part of the eyelid muscle. The inner eyebrow can be injected right above its location. Some patients need more units of Botox than others and depending on the volume of dilution that is done during the preparation of... more

There can be great differences from doctor to doctor on how the Botox is reconstituted. If high volume is used, it would mean more product would need to be injected in order to give you enough Botox units to have an effect. Theorectically, that higher volume of saline can result in a greater chance of diffusion. Other issues might be if you use your frontalis to keep your eyelids raised (that could cause ptosis if frontalis injected) or if the lateral corrugator is injected too low and the... more

Typically problems like the one you mention occur when the Botox diffuses into areas it shouldn't be and effects the wrong muscles. This can occur even in experienced injectors and can be improved with eyedrops. Its not typically "dose" related...