It is impossible to state what medicines if any, should be added to your regiman.
You have not stated your meds here.
Labetalol, for example, is not a correct medication with other certain meds.
And, not correct for every type of person.
That must be a decision of your prescribing doctor.
For example, if you are on a calcium channel blocker and have certain EKG findings, no way you should be on labetalol.
You have not stated any actual work up for the cause of your high blood pressure.
Uncontrolled BP at age 18 warrants a search for secondary hypertension causes, from aorta problems. to kidney, to heart, adrenal gland, and thyroid.
All of these should be checked.
State that to the doctor you see, now. Don't wait.
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