Well, you check your tac levels once more after 2/3 days of change in Tacrolimus dose, usually increase in blood pressure will be there when Tacrolimus dose is increased, you may be get transplant renal artery stenosis, which usually gets precipitated by change in antihypertensives, like Envas.
Next Steps
get it done renal function test, urine routine and transplant renal artery Doppler
Health Tips
Tab. Headset one tablet sos for headache