None of us are Drs GG.
I wouldn't like to assure you you'll be ok, and then for you to have a problem tonight.
Usually withdrawal seizures, when they occur, are evident in days not weeks...but if you feel concerned about this (or anything else) there are a lot of free or low cost clinics around - if there's one in your local area you might get some medical advice there? Free/Low-Cost/Sliding-Scale Clinics
2-1-1 Call Center Search
The 10377 clinics in this database are free, low cost, low cost with a sliding scale based on income, or offer some type of financial assistance.
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there is also, of course, the ER