High Blood Pressure Doctor in Upland & Rancho Cucamonga

High blood pressure

We diagnose and manage high blood pressure — confirming it with accurate readings, finding a medication that works without making you feel worse, and checking in regularly. High blood pressure has almost no symptoms, which is why routine visits matter more here than in almost anything else.

Medically reviewed byMaher Danhash, MD· Last reviewed August 24, 2026

Come in if you have

A pharmacy, work screening, or home monitor showed a high reading

You have high blood pressure and have not been checked in six months

Your medication makes you feel dizzy, tired, or unwell

You get frequent headaches, or your readings jump around a lot

You want to know whether you can come off medication

What happens at your visit

We take your blood pressure properly — seated, rested, correct cuff size. Technique changes the number more than people realize.

We usually confirm a high reading across more than one visit before starting treatment.

We check for the things that drive blood pressure up — kidney function, thyroid, weight, sleep, and medications you already take.

We agree on a plan, and you leave knowing your target number.

Why this one needs regular visits

High blood pressure does not usually make you feel anything. That is the whole problem with it. People stop medication because they feel fine, and they feel fine right up until the damage shows up somewhere else — the heart, the kidneys, the eyes, or a stroke.

So the goal of ongoing visits is not to nag you. It is to catch drift early, while adjusting a dose is still all that is needed.

Getting an accurate number

A surprising amount of “high blood pressure” is really a measurement problem — the wrong cuff size, a reading taken immediately after walking in, an arm unsupported, or talking during the measurement. Any of those can shift the number meaningfully.

We take it properly, and if a reading is high we will normally confirm it over more than one visit before putting you on a long-term medication.

Finding a medication you can live with

There are several classes of blood pressure medication, and they have genuinely different side-effect profiles. If the first one makes you cough, or feel light-headed, or swells your ankles, that is worth telling us — it usually means switching, not enduring it.

The best medication for you is the one that controls your pressure and that you will actually keep taking.

What we look at alongside it

Blood pressure rarely travels alone. At your visits we will also keep an eye on cholesterol, blood sugar, kidney function, and weight, because together they determine your overall cardiovascular risk far more than any single number does.

Common questions

Do I need medication, or can I fix this with diet and exercise?

It depends on how high your readings are and whether you have other risk factors. For mildly elevated pressure we often start with changes to salt, weight, alcohol, and activity, and re-check in a few weeks. If your readings are substantially high we will usually recommend starting medication while you work on the rest.

Should I buy a home blood pressure monitor?

Yes, for most patients this is genuinely useful. Bring it to your appointment and we will check it against ours so you know your readings are accurate, and show you how to take them properly.

Can I ever stop taking blood pressure medication?

Sometimes. If your pressure has been well controlled and you have lost weight or made significant changes, we can try reducing it — carefully, and with monitoring. Do not stop on your own, because pressure often rises again without any warning symptoms.

What reading should I go to the emergency room for?

If a reading is very high and you also have chest pain, trouble breathing, weakness on one side, confusion, or a severe headache, treat it as an emergency and call 911. A high number on its own, with no symptoms, is usually something to call the office about rather than go to the ER for.

This page explains how we care for this condition at our office. It is general information, not medical advice for your specific situation — please talk to us about your own care.