Gastro, stomach bug, stomach virus, stomach flu, gastric flu, gastrointestinitis Gastroenteritis viruses: A = rotavirus, B = adenovirus, C = norovirus and D = astrovirus. The virus particles are shown at the same magnification to allow size comparison.
Botox has its effects directly on the muscle into which it is injected. Its effects only last about three months. In strabismus, the goal is to weaken the affected muscle on one side of the eye so that the muscle on the opposite side of the eye can work better.
There are a few factors that may affect how long it takes Botox to work and they are as follows: 1  Physiological differences: For reasons not fully understood, some people will find the effects of Botox take longer to materialise than they do for others. If you do not see any improvement in your appearance after 2 weeks then this may mean that you have antibodies in your body that work against the Botox toxin and therefore the effects are lessened. If this is the case you are likely to need additional higher concentration Botox injections.