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  • When You Should Schedule a Colon Cancer Screening
    Colonoscopy, a type of colon cancer screening offered by your Allentown, New Tripoli and Lehighton, PA, gastroenterologists, Dr. Ahmed Hasan, Dr. Andrew Schwartz and Dr. Mahreema Jawairia of Lehigh Gastroenterology Read more
  • What Is a Hiatal Hernia?
    Do you deal with constant acid reflux? Is heartburn commonplace? Do you feel full quickly after eating? If so, these could all be signs of a condition known as a Read more
  • What is Crohn's Disease?
    Crohn's disease is a condition that affects your digestive tract and can cause symptoms that drastically impact your everyday life. These include frequent abdominal pain and recurring diarrhea, and if Read more
  • What is Gastroesophageal Reflux Disease (GERD)?
    Find out if your acid reflux and heartburn could be due to a common digestive disorder. Do you find yourself cancelling dinner dates because you just know that a night of Read more
  • Am I Lactose Intolerant?
    Is your morning latte suddenly making your stomach do flips? Do you experience gastrointestinal upset whenever you enjoy a cheesy slice of pizza? Any gastroenterologist knows that this can be Read more
  • What Causes Incontinence?
    Are you having trouble making it to the bathroom in time? Do you notice issues such as leakage, particularly when passing gas? If so, these are signs of fecal or Read more
  • What Is a Perianal Abscess?
    Noticing a painful lump or bump near the anus? We know this might be a rather embarrassing topic, and one you may wish to simply ignore; however, naturally, you may Read more
  • What Is Infectious Colitis?
    Colitis simply means that there is inflammation present in the colon, or large intestines, and it’s often caused by bacteria but can also be caused by a virus or parasite. Read more
  • Finding a Celiac-Friendly Diet
    Although gluten-free is a great diet trend that some are now following, for others following a gluten-free diet is essential for their health. This is due to the fact that Read more
  • When To Use a Stool Softener vs. Laxative
    Many of us experience constipation or difficulty moving our bowels at some point in life. Constipation may be very uncomfortable, which warrants seeking some relief through medication. However, you may Read more
  • Is There a Way To Prevent Gallstones?
    Whether you have a family history of gallstones or you’ve had them in the past and would like to avoid them in the future, did you know that there are Read more
  • Know the Different Types of GI Ulcers
    Ulcers are sores that develop in the lining of the digestive tract. They can develop in various places within the gastrointestinal system including the stomach and intestines, and some people Read more
  • Know the Symptoms of Pancreatitis
    The pancreas is an organ in the digestive system that lies behind the stomach and is responsible for producing insulin, as well as a host of other digestive enzymes and Read more
  • Over-the-Counter Treatments for Constipation
    Constipation can be both a figurative and literal pain in the butt. If you’re having trouble going, you may be looking for simple over-the-counter solutions that can help you go. Read more
  • Changes in Bowel Habits
    We all get the occasional bout of diarrhea or constipation, but when bowel changes become the norm, this is when you should turn to a gastroenterologist for answers. While acute Read more
  • Can Ginger Actually Help Your Upset Stomach?
    Ginger is a great spice to keep in your pantry because it is chock full of antioxidants that help combat oxidative stress and may also reduce the risk for lung Read more

Our Locations

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Hours of Operation

Our Regular Schedule

Lehigh Gastroenterology Associates

Monday, Wednesday, Thursday:

9:00 am - 5:00 pm

Tuesday:

8:30 am - 5:00 pm

Friday:

8:30 am - 4:00 pm

Saturday, Sunday:

Closed

Northwestern Medical Center

Monday, Wednesday - Sunday:

Closed

Tuesday:

12:00 pm - 4:30 pm

Testimonials

What Our Patients Say About Us

  • "Dr. Schwartz is awesome. He takes time to really get to the bottom of your issues and he really cares."
    Cheryl B.