How Long Does It Take Blood Pressure Medicine to take Effect?

I had an interview and the same they wanted to check blood pressure and mine was high so they told me to get a prescription . I got one and started the pills that same day but I'm wondering how long will it take to show a good reading so I can go back to finish my physical? The medicine is called Amlodipine... show more I had an interview and the same they wanted to check blood pressure and mine was high so they told me to get a prescription . I got one and started the pills that same day but I'm wondering how long will it take to show a good reading so I can go back to finish my physical? The medicine is called Amlodipine Besylate
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