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  • What is Irritable Bowel Syndrome?
    Is your body telling you that you could have irritable bowel syndrome (IBS)? Are you just experiencing symptoms of an upset stomach, or is there something more going on? It can Read more
  • Are You Dealing with Acid Reflux
    Learn more about acid reflux, its signs and triggers, and when to see a doctor. Acid reflux happens to everyone, but what should you do if this becomes a common occurrence? Read more
  • When Should I Get a Colonoscopy?
    Everyone can and will benefit from getting a colonoscopy during their lifetime. A colonoscopy is an important screening and diagnostic tool. Yet about one in three adults between 50 to 75 Read more
  • Common Causes of Abdominal Pain
    Wondering why you're dealing with abdominal pain? Everyone deals with a stomachache from time to time. Typically, it will go away on its own, and it’s nothing to worry about; however, Read more
  • When to See Your Gastroenterologist
    Should you schedule an appointment with a gastroenterologist? A gastroenterologist is a medical specialist who diagnoses and treats conditions and disorders that impact the gastrointestinal tract including the liver, gallbladder and Read more
  • Help for Recurrent Heartburn
    If your heartburn keeps returning, it’s important to know what to do. You are getting ready to sit down to dinner and realize it’s taco night. While this would make most Read more
  • What Is a Gallbladder Attack?
    Your gallbladder is a small organ on the upper right side of your abdomen that’s responsible for storing and releasing bile to aid in digestion. As with any organ or Read more
  • What is Crohn's Disease?
    Crohn's is a disease that can have some very life-disrupting symptoms. If you suspect you are having signs of Crohn's, Dr. Ahmed Hasan, Dr. Andrew Schwartz, and Dr. Mahreema Jawairia of Lehigh Gastroenterology Associates in Lehighton, PA provide Read more
  • FAQs About Colostomy Bags
    When there is an injury or health problem that impacts the digestive tract and you’re unable to pass stool on your own you may need a colostomy bag. If you Read more
  • Understanding Gut Health
    There is more than meets the eye when it comes to our gut, and we are learning new things about it all the time. While a gastroenterologist can certainly help Read more
  • What Are the Symptoms of GERD?
    Is your acid reflux actually gastroesophageal reflux disease? Occasional bouts of acid reflux may simply mean that you’re dealing with heartburn; however, more recurring episodes could be a sign of a Read more
  • When Should I See a Doctor About Frequent Diarrhea?
    Diarrhea might not be something you want to talk about; however, it happens to everyone. Whether it’s a stomach bug, something you ate, or a more serious and underlying digestive Read more
  • What To Know About Colon and Rectal Polyps
    Has a gastroenterologist just found colon polyps during your routine colonoscopy? If so, you may be wondering what these masses are, why they occur, and if this could put you Read more
  • 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

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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.