i dont think lactose pills count as medication, they are dietary suppliments. My wife has brought hindreds of pills i at a time since we could not find them here (although our luggage has never been searched so cant sayvfor sure what they would doo)
These changes to ASQ and FTF requirement are not official yet as they have nor been published in the Royal Gazetre yet. While they are likely tk become official, until published the requirements can still change.
Not sure about MTT, but if you are on a 60 day TV many immigration offices are requiring one to first get the regular 30 day extension before being able to apply for the 60 day Covid extension
In samutprakan (small amphur) they just took a copy of my passport in English my wifes housebook (she owns the house) and the application in Thai plus a bottle of JD - as they say every office is different.