Your Trusted Source for Allergy Care Since 1960

Allergy Clinic

Tyler Office Hours:
Mon-Thurs: 8:30 a.m.-5:00 p.m.
Tyler Injection Hours:
Mon: 8:30 a.m.-5:00 p.m.
Tues: 8:30 a.m.-4:30 p.m.
Wed: 8:30 a.m.-4:30 p.m.
Thurs: 7:30 a.m.-4:30 p.m.

Longview Office/Injection Hours:

Tuesday & Thursday
8:30am-11:30am & 1:15pm-4:30pm


"I want to thank and commend all of you for the efficient and the courteous office staff. From the time I enter, to the time I check out, everyone is so nice and I feel as if I am the only patient in the office. I guess going to the doctor's office is not supposed to be pleasant but in your case it certainly is pleasant and reassuring."  Sincerely, Susan Phillips

"The staff always provides quick and courteous service. I can always get in to see the doctor if I have problems. Allergy injections have worked well in relieving my symptoms."  Janet Slimp

"I had suffered from seasonal allergies my entire life, even in winter. After years and years of over-the-counter medications that usually provided little to no results, I heard about the Allergy Clinic. I became very interested in the methods that Jack Harris, M.D. advocates.  This method builds up your allergy immunity with serum created of the very items that cause the allergy. It seemed like a natural way of dealing with the problem. I first visited Dr. Harris in 1991 and have been a faithful patient ever since. The treatment method has been successful beyond my expectations. In fact, it has been so nice to enjoy my favorite season of fall and not have the ragweed problems. I would highly recommend the professionals at Allergy Clinic to anyone who suffers with allergy problems."  Tommy Lloyd

"I came to Dr. Wrenn for problems with my asthma. I asked about using a 'special medication for Asthma' which he felt was appropriate. He and his staff worked through insurance issues for me regarding this medication. He stuck with me through this and it changed my life." Ricky Berry