expert type icon EXPERT

Dr. Tina Nunziato, MD

Gastroenterologist

<p style="box-sizing: border-box; margin: 0px 0px 10px; font-family: Arimo, sans-serif; color: #333333;">Dr. Cruz graduated from college in 1988 with a B.S. in Medical Technology. Prior to Medical School, she taught English for one year in Bangkok Thailand. In 1989, Dr. Cruz began her formal career in medicine by attending Loma Linda University School of Medicine in California. During medical school, Dr. Cruz was part of a student / staff physician team, which provided relief work to the natives along the Amazon River. She graduated from medical school in 1993 and then went on to do her Internal Medicine Internship under the auspices of the U.S. Navy at the Naval Hospital, Oakland, California.</p>
<p style="box-sizing: border-box; margin: 0px 0px 10px; font-family: Arimo, sans-serif; color: #333333;">Upon the closure of the Naval Hospital in Oakland, Dr. Cruz transferred and completed her internal medicine residency at the University of California, San Francisco. In 1996, she was deployed to Guam to fulfill her commitment to the U.S. Navy. While in Guam, she served as a Staff Internist at the U.S. Naval Hospital. During her active duty years in the Navy, she received the Meritorious Unit Commendation Medal as well as the Humanitarian Service Medal and the National Defense Medal for service during Operation Desert Storm. During her last two years in Guam, she was the Head of the Internal Medicine Division at the U.S. Naval Hospital.</p>
<p style="box-sizing: border-box; margin: 0px 0px 10px; font-family: Arimo, sans-serif; color: #333333;">In 2000, she went back to the University of California, San Francisco where she completed her training in Gastroenterology (GI). In 2004, Dr. Cruz moved to Arizona to join the Arizona Medical Clinic in Peoria. For two and a half years she served as a full-time gastroenterologist in both the outpatient and inpatient settings doing the full range of general gastroenterology including endoscopic procedures as well as hepatology. In January 2007, Dr. Cruz joined Estrella Gastroenterology in Goodyear, Arizona. In January 2008, she opened the doors to her own practice, Dr. Liz Cruz Partners in Digestive Health.</p>
<p style="box-sizing: border-box; margin: 0px 0px 10px; font-family: Arimo, sans-serif; color: #333333;">Dr. Cruz was born in Los Angeles, California and was raised in Orlando, Florida. She speaks fluent Spanish and enjoys her family, traveling, jazz music, and photography.</p>
<p style="box-sizing: border-box; margin: 0px 0px 10px; font-family: Arimo, sans-serif; color: #333333;">Dr. Cruz is a Diplomate of the American Board of Internal Medicine and the American Board of Gastroenterology. She is a member of the American Gastroenterological Association and the American Society for Gastrointestinal Endoscopy.</p>
31 years Experience
Dr. Elizabeth Cruz, MD
  • Phoenix, AZ
  • Loma Linda University School of Medicine
  • Accepting new patients

Can stomach problems make it difficult for a child to sleep?

Absolutely, we have many adults that suffer from something similar. He should see a pediatric GI doctor and get worked up. Make sure there is nothing really bad going on. If everything READ MORE
Absolutely, we have many adults that suffer from something similar. He should see a pediatric GI doctor and get worked up. Make sure there is nothing really bad going on. If everything comes back negative. you should get him on a healthy probiotic daily and taking enzymes with every meal.

Can excessive gas be a sign of something serious?

Gas can be a sign of something serious. If your father has never been worked up by a GI doctor he should consider it - unless he's over the age of 85. Most GI's aren't going to READ MORE
Gas can be a sign of something serious. If your father has never been worked up by a GI doctor he should consider it - unless he's over the age of 85. Most GI's aren't going to work up a patient over that age. If he does get worked up and everything comes back negative you should consider enzymes and probiotics. These symptoms are very common when you're not producing enough enzymes to digest your food properly or don't have enough good bacteria in the gut. This happens as we age, when we are not eating the best diet in the world or if we are really stressed out. It's very easy to fix, however, taking a good healthy probiotic daily and enzyme with every meal can help eliminate these symptoms very quickly.

I can't tell if I'm constipated, have gas, or if it's something serious?

My first question is, when was the last time you had a bowel movement? It could be a combination of gas and constipation. If this pain continues you should definitely get worked READ MORE
My first question is, when was the last time you had a bowel movement? It could be a combination of gas and constipation. If this pain continues you should definitely get worked up by a GI doctor. If everything comes back negative you should consider enzymes and probiotics. These symptoms are very common when you're not producing enough enzymes to digest your food properly or don't have enough good bacteria in the gut. This happens as we age, when we are not eating the best diet in the world or if we are really stressed out. It's very easy to fix, however, taking a good healthy probiotic daily and enzyme with every meal can help eliminate these symptoms very quickly.

Why does everything I eat give me gas?

This is very common among young people today. Basically, what is happening is you are not producing the enzymes necessary to digest food properly. This could be happening for many READ MORE
This is very common among young people today. Basically, what is happening is you are not producing the enzymes necessary to digest food properly. This could be happening for many reasons, but it's very simple to fix. Taking a digestive enzyme supplement with every meal will help to eliminate the gas.

How long does IBS last?

Depending on how it's treated or what the patient does to help him / herself it can last a lifetime. Symptoms that are associated with IBS are typically caused when you're not READ MORE
Depending on how it's treated or what the patient does to help him / herself it can last a lifetime. Symptoms that are associated with IBS are typically caused when you're not producing enough enzymes to digest your food properly or don't have enough good bacteria in the gut. This happens as we age, when we are not eating the best diet in the world or if we are really stressed out. It's very easy to fix, however, taking a good healthy probiotic daily and an enzyme with every meal can help eliminate these symptoms very quickly.

What's the difference between heartburn and indigestion?

Really not much difference, the bottom line is you are not digesting your food well probably due to a lack of enzymes. This happens as we age, when we are not eating the best diet READ MORE
Really not much difference, the bottom line is you are not digesting your food well probably due to a lack of enzymes. This happens as we age, when we are not eating the best diet in the world or if we are really stressed out. It's very easy to fix, however, taking a good healthy enzyme with every meal can help eliminate these symptoms very quickly.

How do you know if your gallbladder needs to be removed?

You need to get worked up by a pediatric GI. You are very young and although we don't need our gallbladder to survive you really should try to hold on to it as long as possible. READ MORE
You need to get worked up by a pediatric GI. You are very young and although we don't need our gallbladder to survive you really should try to hold on to it as long as possible. Most of the time gallbladder issues are associated to diet - we are not eating and drinking as healthy as we should. Get worked up and find out if there is anything serious going on with it first. Then if not try to clean up your diet.

What is the best cure for irritable bowel syndrome?

The symptoms associated with irritable bowel are very common when you're not producing enough enzymes to digest your food properly or don't have enough good bacteria in the gut. READ MORE
The symptoms associated with irritable bowel are very common when you're not producing enough enzymes to digest your food properly or don't have enough good bacteria in the gut. This happens as we age, when we are not eating the best diet in the world or if we are really stressed out. It's very easy to fix, however, taking a good healthy probiotic daily and enzyme with every meal can help eliminate these symptoms very quickly.

What causes acid reflux everyday?

Hello, Yes, this is very common among 40, 50 and 60 year olds. As we age, our enzyme production declines so we're not making all those great enzymes to digest food anymore READ MORE
Hello,

Yes, this is very common among 40, 50 and 60 year olds. As we age, our enzyme production declines so we're not making all those great enzymes to digest food anymore which causes symptoms such has heart burn, reflux, gas, and bloating. We suggest taking a digestive enzyme with meals.

Thank you,

Dr. Cruz

Why do I have lower abdomen pain?

These symptoms are very common when you're not producing enough enzymes to digest your food properly or don't have enough good bacteria in the gut. This happens as we age, when READ MORE
These symptoms are very common when you're not producing enough enzymes to digest your food properly or don't have enough good bacteria in the gut. This happens as we age, when we are not eating the best diet in the world or if we are really stressed out. It's very easy to fix, however, taking a good healthy probiotic daily and enzyme with every meal can help eliminate these symptoms very quickly.

How do you relieve gas and bloating?

These symptoms are very common when you're not producing enough enzymes to digest your food properly or don't have enough good bacteria in the gut. This happens as we age, when READ MORE
These symptoms are very common when you're not producing enough enzymes to digest your food properly or don't have enough good bacteria in the gut. This happens as we age, when we are not eating the best diet in the world or if we are really stressed out. It's very easy to fix however, taking a good healthy probiotic daily and enzyme with every meal can help eliminate these symptoms very quickly.

What causes nausea everyday?

Most of my patients have nausea because they are not digesting their food properly. You absolutely should get worked up by a GI doctor to make sure there is nothing bad going on, READ MORE
Most of my patients have nausea because they are not digesting their food properly. You absolutely should get worked up by a GI doctor to make sure there is nothing bad going on, but if everything comes back negative it's probably an enzyme issue where you're not digesting your food properly due to a lack of enzymes being produced. This happens as we age, when we are not eating the best diet in the world or if we are really stressed out. It's very easy to fix however, taking a good healthy enzyme with every meal can help eliminate these symptoms very quickly.

What do these stomach pains mean?

This is probably gas due to not digesting your food well. If this pain continues you should definitely get worked up by a GI doctor. If everything comes back negative you should READ MORE
This is probably gas due to not digesting your food well. If this pain continues you should definitely get worked up by a GI doctor. If everything comes back negative you should consider enzymes and probiotics. These symptoms are very common when you're not producing enough enzymes to digest your food properly or don't have enough good bacteria in the gut. This happens as we age, when we are not eating the best diet in the world or if we are really stressed out. It's very easy to fix, however, taking a good healthy probiotic daily and enzyme with every meal can help eliminate these symptoms very quickly.