Dr. David Drewitz
Gastroenterology
Phoenix, AZ
29 years experience male
Locations
Arizona Digestive Health
Phoenix, AZ
Arizona Digestive Health
Phoenix, AZ
About
Bio
I am a board certified Gastroenterlogist with a private practice in Phoenix, AZ since 1997. My specialty is focused on helping patients with digestive, liver and weight related disorders create optimal health and improve their longevity.
SpecialtiesDoctors may have more than one area of specialty interest. Board certification in a specialty area means the doctor has completed formal training and has practice experience in that specialty, and has passed the certification examination from the corresponding accredited medical specialty board.
Doctors may have more than one area of specialty interest. Board certification in a specialty area means the doctor has completed formal training and has practice experience in that specialty, and has passed the certification examination from the corresponding accredited medical specialty board.
Gastroenterology
Licenses
United States: Arizona
Languages spoken
English
Doctor Q&A
502 Answers
25 Agrees
The number of answers this doctor has agreed with.
A 22-year-old female asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
High dose...: Pantoprazole is a PPI (proton pump inhibitor) commonly used to suppress HCl secretion by the stomach and commonly used to treat heartburn and ulcers a... Read More
Created for people with ongoing healthcare needs but benefits everyone.
2.4k viewsAnswered >2 years ago
A 24-year-old male asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Hemorrhoids...: Your symptoms are consistent with hemorrhoids (piles). Try a cortisone based anorectal cream, soaking your bum in a sitz baths with epsom salts and a... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 23-year-old female asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Yes...: Most naturally occurring sugars in fruit break down to half fructose and half glucose in the body. Excess sugar of any kind will turn on your Insulin... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 32-year-old male asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Health blueprint: The answer lies within our own bodies. Human beings are incredibly resilient. If we stop the assault of unhealthy habits, we can tap into the bodies i... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 18-year-old female asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
No: Constipation and straining on the toilet has nothing to do with vaginal bleeding. If you are having abnormal vaginal bleeding see your ob/gyn. If yo... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 27-year-old female asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
1:133: Average risk of celiac is 1:133 in the us. If there is a family history of celiac then the risk increases.
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 41-year-old female asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Hypoglycemia...: Ingestion of processed foods and soda pop causes our blood sugar to spike triggering Insulin release which drives down the sugar in the blood to low l... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 39-year-old member asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
No...: Fungal infections are considered rare and unusual involving the lining of the stomach. The esophagus on the other hand is more susceptible to fungal i... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 38-year-old female asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Worth a try...: Erythromycin is in a class of antibiotics that have a propensity to cause GI side effects of cramps and diarrhea because they activate a receptor in t... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 18-year-old female asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Many possibilities..: Your symptoms are common for many possible explanations ranging from insignificant to serious. Pregnancy, endometriosis, genito-urinary tract infecti... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 20-year-old male asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Health blueprint..: There is no quick fixes. If we stop the assault of unhealthy habits, we can tap into the bodies inherent capacity to heal itself. And the best tool we... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 18-year-old female asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Bad digestion: There are several possible considerations for maldigestion. Ibs, celiac sprue, lactose intolerance (e.g. Lactase deficiency) or other food intoleran... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 26-year-old male asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Health blueprint: The answer lies within our own bodies. Human beings are incredibly resilient. No matter how much we abuse our bodies, if we stop the assault of unheal... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 22-year-old female asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Yes...: Castor oil has stimulant laxative properties causing forceful contractions of the intestine and violent diarrhea. The intestine contains cells that s... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 29-year-old male asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Get checked...: Acid indigestion is commonly related to acid reflux caused by the back flow of stomach contents into the esophagus. Its caused by a number of factors... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 39-year-old male asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Caution...: Fatty liver disease means the liver is swollen and enlarged due to fatty change. The disorder is associated with other metabolic changes including di... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 46-year-old member asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Long list...: There is a long list of causes of abdominal pain but a few more common GI causes include irritable bowel syndrome (ibs), acid-peptic disorders (ulcers... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 44-year-old member asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
LowFODMAPs diet...: Gas and bloating is frequently caused by bacterial fermentation of fiber and long-chain sugars from foods in our intestine. Two suggestions: 1. Try ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 41-year-old member asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Not sure...: There are several causes for ano-rectal pain with defecation including anal fissure, hemorrhoids, proctalgia and proctitis to name a few. If this is ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 34-year-old member asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
EGD...: Egd (esophagogastroduodenoscopy) is the procedure doctors perform to look inside the stomach. You are sedated with IV medications then the doctor pla... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 59-year-old female asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
No worries...: The alt and ast, also known as SGPT and SGOT are liver enzymes commonly assessed in metabolic lab panels. The normal values are generally less than 4... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 29-year-old female asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Skin tag...: What you are describing sounds like a anal skin tag caused by hemorrhoids. They are essentially the remnants of previously swollen hemorrhoids. They... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 18-year-old male asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Many causes...: A distended or protuberant abdomen in a man has many potential causes. One serious cause might be cirrhosis of the liver that can result in accumulat... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 25-year-old male asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Regular diet...: Chronic hepatitis b inactive carrier state means the hepatitis b virus is present but in a dormant, usually non-replicative state. There is no specif... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 21-year-old female asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Slow down...: There is no safe way in which to lose weight quickly. And, there is no way to spot reduce one depot of fat over another. With achievement of a negat... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 19-year-old female asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
No...: Lpr is not a new condition. Most people recognize gerd, and LPR (laryngopharyngeal reflux) is a variant of the diagnosis in which the reflux extends ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 23-year-old male asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
See a doctor...: Sore throat and painful swallowing for 3 months is concerning for either a infection of the throat or esophagus and/or acid reflux. Lpr (laryngophary... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 36-year-old male asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
A new TipTap: The vitamin industry is unregulated. Purchase your vitamins from a reputable supplement company.
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 32-year-old female asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Depends...: Sorry you feel so poorly. Usually the surgeon will schedule surgery electively i.e. When he/she has an opening unless there are is an emergency. Ind... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 46-year-old member asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Depends...: The best remedy for anal leakage depends on the cause. There are a number of anorectal problems that could lead to leakage including hemorrhoids and ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 34-year-old member asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Maybe...: There are a variety of different eating disorders currently recognized. Anorexia and bulimia are the ones most are familiar with. Patients with thes... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 35-year-old member asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
GI Side effects: Oral iron supplements are poorly absorbed in the intestine and frequently poorly tolerated due to high frequency of GI side effects. Most commonly th... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 44-year-old member asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Get work-up: Changes in bowel habits, abdominal pain, and rectal bleeding are all potential warning signs of colon and rectal cancer. Don't mess around, see a gas... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 26-year-old male asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Not yet...: Passage of ano-rectal mucous in the absence of other symptoms, is usually a benign symptom seen in patients with ibs (irritable bowel syndrome). If y... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 38-year-old member asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Monitor closely...: Blood in the stool is clearly abnormal and could be caused by many things including colitis (inflammation, infection), hemorrhoids, fissures, polyps o... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 46-year-old member asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Yes...: Gaviscon is a good safe effective fast remedy for heartburn relief.
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 27-year-old male asked:
I heed to reduce weight. my tummy is coming out n its stressing me alot. what can i do to reduce it?
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Health blueprint: The answer lies within our own bodies. Human beings are incredibly resilient. If we stop the assault of unhealthy habits, we can tap into the bodies i... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 22-year-old female asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
See a Doctor...: Rectal bleeding is a potentially serious problem. An anorectal problem such as hemorrhoids is most likely in your case but there are other conditions... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 21-year-old male asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
See a Doctor...: Rectal bleeding is a sign of potentially potentially serious problems. Don't delay in seeing a doctor.
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 34-year-old female asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
No...: ...There is no association between diverticulosis (itis) and fertility.
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 32-year-old member asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Can't spot reduce: Weight loss/fat loss will occurs most efficiently by creating a daily caloric deficit - i.e. Eating less. Its difficult bordering on impossible to ou... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsAnswered >2 years ago
A 37-year-old member asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
More tests...: Finding a abnormal lft is potentially a sign of liver disease. There are a spectrum of liver disorders that can present this way and your best bet is... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsAnswered >2 years ago
A 21-year-old member asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Few suggestions...: Take control of your energy management system by controlling your energy intake and managing your Insulin pump. You do this by altering your food int... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years agoMerged
A 20-year-old male asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Hemorrhoids: Passage of mucous and blood are most likely caused by combo of IBS and hemorrhoids respectively. Discuss with your GI doctor. Good Luck!
Created for people with ongoing healthcare needs but benefits everyone.
2.4k viewsReviewed >2 years ago
A 35-year-old member asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Health blueprint: The answer lies within our own bodies. If we stop the assault of unhealthy habits, we can tap into the bodies inherent capacity to heal itself. And th... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 47-year-old male asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Yes: Deficiency of the enzyme lactase which is the cause of lactose intolerance occurs in variable degrees which therefore results in a spectrum of symptom... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 26-year-old female asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Can't spot reduce: Spot reduction of tummy fat is unfortunately not possible. Through healthy diet and exercise you can reduce your Insulin levels and start burning fat.... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 39-year-old member asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Yes...: Prune juice has natural laxative properties. Best drank warmed and chased with a glass or two of water. You may prefer just to take a stool softener... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 18-year-old male asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Yes...: Eating small frequent meals stimulates metabolism by taping into the tef (thermic effect of food).
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 34-year-old male asked:
Dr. David Drewitzanswered
Gastroenterology 29 years experience
Few suggestions...: Eat more fiber with a daily goal of 30 - 40 grams per day. Drink at least 64 ounces of water per day. Increase your activity and start exercising. ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
TestimonialsRecommendations and Thank you notes are endorsements given from patients or other doctors.
Recommendations and Thank you notes are endorsements given from patients or other doctors.
7
Recommendations
1.4K
Thank you notes
Apr 12, 2013
An excellent gastroenterologist- I would have him as my GI doctor if I have a problem involving the GI tract.
HealthTap member
Mar 30, 2015
Dr. Drewitz is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Mar 31, 2015
Dr. Drewitz is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Thank you, your answer was very helpful! I have endmtosis n had hyst 20 yrs ago n gallbladder removed 8-11-11 n now have bloody stool and bowel obstruction wjen n infection n cyst o
HealthTap member
Thanks for your quick reply! Thanks. I am v busy in my job mostly sitting upto 8 hrs a day. I v hungry at the time of dinner. Tried to loose wt. But failed. Plz advice
HealthTap member
Thanks for your quick reply! That's kind of what I was thinking too, but it's different from the usual place which is under my left breast and that hurts extremely bad!
Education & Training
Medical/Graduate school
Medical College of Wisconsin, WI
Graduated 1990MD
Residency
St. Joseph's Hospital and Medical Center Phoenix, AZ
Awards
5 time TOP DOC Award winner Phoenix Magazine
Top Doctor, Second Place, Phoenix, AZ - Winter
2013
Top Gastroenterologist , Third Place, National - Winter
2013
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