After you file the complaint, your employer will be prohibited from any retaliatory action against you. The EEOC will investigate your claim, and 180 days after the filing of the complaint you may ask for a "right to sue letter". The EEOC will issue you the letter which gives you the right to institute a private civil action against your employer and seek monetary damages.
I do still think that perhaps a local Workers' Compensation attorney may well be your best chance of nipping this in the bud though---and you can do this at the same time that the EEOC complaint is moving forward.
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