Would anti-inflammatories, e.g. nurofen, affect the effect of medicinal botox when used to treat blepharospasm?

Insomnia resulting from Botox treatment is not a known side effect for you at your age.  I wouldn't worry about it.

It is very common to have a sensation of heaviness similar to a plate resting on your forehead initially once your Botox treatment begins to work. However, once this wears off, and you still have no movement in your forehead, rest assured that your treatment is still effective.However, the...

Sorry to hear that you had to experience this. With time the pain and discomfort will go away. It should disappear in a few days.

Botox is not known to interact with any antibiotics, but as mentioned you should make sure the injections are not occurring at the site of the infection.

This should go away once the Botox goes away, which would be in about 3-4 months. Sorry to hear that you're not happy with your results, but this is not permanent.

Fillers are usually used rather than Botox to raise depressed scars to make them more even with the rest of your skin.