No. Blood pressure meds will not cause a rise in the creatinnine level, but prolonged high blood pressure itself with out intervention with meds will cause a raised creatinnine level. Basically, it is prolonged high blood pressure without treatment that will eventually cause renal failure, as the kidneys themselves regulate blood pressure in the long term via the renin-angiotensin pathway in the kidneys themselves and the renin-angiotensin-aldosterone pathway for systemic blood pressure.
Hopefully now that you have started the blood pressure meds and you have it under control, your creatinnine level should stabilise or fall back down to normal, but you need to have regular bloods and check ups to monitor this and to monitor your renal function just in case.
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creatinine elevated!! 
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