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Dr. John McMahan

ENT - Head & Neck Surgery
Chicago, IL
49 years experience male

Locations

Northwestern Nasal + Sinus

Chicago, IL

Address

676 N. St. Clair Street, Suite 1575, Chicago, IL, US
Directions

Fax

312 266-3680

Insurances accepted

Blue Cross Blue Shield of Illinois

Aetna Life Insurance Company

UnitedHealthcare

Humana Insurance Company

Cigna

CIGNA Health Care

Aetna

CIGNA Health Care

Aetna Life Insurance Company

CoreSource

Celtic Insurance Company

Great-West Healthcare

Guardian Life

John Alden Life Insurance Company

About

Bio

I grew up in S.C., traned at Northwestern in Chicago, practiced and skied in Utah. I moved back to Chicago and married my wife Lynn. We have four children who are all married and having children themselves. I specialize in nasal, sinus, allergy, asthma and snoring conditions. I practice at Northwestern Nasal + Sinus in Chicago. Our hobbies include skiing, scuba diving, motorcycles, snowmobiles

Specialties
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.

ENT - Head & Neck Surgery

- Select Specialities -

Cosmetic Surgery

ENT and Head and Neck Surgery

Internal Medicine - Allergy

Internal Medicine - Sleep Medicine

Licenses

United States: Illinois

Doctor Q&A

288 Answers
49 Agrees
The number of answers this doctor has agreed with.
A member asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Loss of Smell and Ta: Many problems may contribute to loss of taste and smell . Sinusitis, nasal polyps, allergies, viruses, vitamin deficiencies, hormone imbalance and eve... Read More
A 30-year-old female asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Dental Abcess: Usually it's safe to use Augmentin (amoxicillin and clavulanate) unless you are penicillin allergic. It's most important to see your dentist for defin... Read More
A 36-year-old male asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Can: Can you arrange a sleep study? Can you refer me to a sleep specialist or ENT doc for help?
A 32-year-old female asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Sinus infections: This could be a good sign that your infection is draining. If you still have issues after the antibiotics, see an ENT specialist for a definitive diag... Read More
A 18-year-old male asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Cough: The "natural" course of most coughs caused by colds or viruses is gradual improvement unless a bacterial infection complicates the illness needing ant... Read More
A 22-year-old female asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Oral sex: It likely is caused by bruising from vigorous activity but you could check with your doctor to rule out sdts. You could also have a latex allergy if c... Read More
A 22-year-old male asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Cough: Call your doctor or visit a clinic or er. This could be a common cold but your doctor will make sure it's not a more serious problem.
A 42-year-old female asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Back Pain: Ask your doctor... A back problem or a chest or lung problem could be the cause of your pain. Your physician will assist you in finding answers and so... Read More
A 21-year-old female asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Trouble swollowing: See a GI physician to diagnose your problem. Cysts, masses, strictures, spasms, gerd, hiatal hernis, etc. Etc are some of the fpossible issues.
A 19-year-old female asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Chronic cough: You should be evaluated by your doctor for your cough. The "clicking sound" is an unusual symptoms but an ENT doc may be of help. If you lost lots of ... Read More
A 53-year-old male asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Nassal Congestion: Sinusitis, allergies, deviated septums, gerd, septal deviations, polyps, nasal spray addiction, pregnancy, hormone issues, etc. Etc. Can all contribu... Read More
A 55-year-old female asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Cough: Ask your doctor... It depends on your history and risk factors you may need to be examined.
A 21-year-old male asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Blocked Nose: This sounds like sinusitis, allergies, gerd or a combination. See an ENT specialist to sort things out and get relief.
A 39-year-old male asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Sinusitis: There is a chance that sinusitis will clear up untreated but in many cases it doesn't and treatment is needed. If it persists it can become chronic. C... Read More
A 36-year-old male asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Kitty: Kitty liter is a source of irritation - use large wood chips, crystal balls or newspaper chips.
A 24-year-old male asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Dry Eyes: You may be allergic or sensitive to something in your bedding. Dust mites, fabric softeners, retained detergents can be involved. Consult an allergist... Read More
A 29-year-old male asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Neck Pain: Neck pain can be a symptom of many problems, infections, growths, cervical disk disease, fractures, vascular problems (some serious), heart issues, et... Read More
A 32-year-old female asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Strep Throat: He may be harboring infections deep in his tonsils and if not resolved with antibiotics he would need his tonsils removed. Make sure he is on an antib... Read More
A 41-year-old member asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Cough: It depends on the cause... Viral, allergy, sinus, reflux, etc can all cause a cough. You could drink lots of fluids and take otc meds but if it lasts... Read More
A 19-year-old female asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Cough: You could have strained a muscle or even broken a rib coughing. It could also be related to an infection or even pneumonia. See your physician.
A 31-year-old member asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Sor Throat: Sore throats can be from infections, allergies, gerd, tonsullitis, etc. See your doctor for a possible referral to an ENT specialist.
A 43-year-old male asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Bloody Noses: Nosebleeds can be due to a septal deviation, infection, in the nose or sinuses, blood thinners, dry air, allergies, etc. Etc. See an ENT specialist if... Read More
A 31-year-old male asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Head Pain: I would go to an er right away unless your internist can refer you right away to a neurologist. They can make a diagnosis.
A 45-year-old member asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Ear Pain: Infections (internal and external), ear wax, throat infections, vascular issues, TMJ problems, dental infections, salivary gland problems and numerous... Read More
A 59-year-old female asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Palate Pain: There are numerous possibilities from infection to TMJ problems to tumors. Ask your primary care physician for a referral to an ENT physician for an e... Read More
A 34-year-old female asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Post Nasal Drip: There can be a number of problems that may contribute to ppd. Allergy, sinus infections, reflux, tonsillitis, adenoid issues, dental infections, etc. ... Read More
A 42-year-old female asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Medician Question: This combination could make you very sleepy so be careful - in some cases there could be serious consequenses. See your doctor for more definitive tre... Read More
A 21-year-old female asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Septal Perforations: They can be caused by cautery, cocaine, otc nasal sprays, nasal surgery or other more unusual diseases. They tend to crust and bleed if the septal car... Read More
A 42-year-old female asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
PND: Pnd can be a combination of several things... Allergy, sinusitis, reflux (gerd) or other more obscure issues like thyroid disorders, sjogren's, sarcoi... Read More
A 31-year-old member asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Nasal Congestion: See an ENT doc for a definitve answer. Surgery is needed in some cases but allergies and infections are quite common and should be treated as well. Of... Read More
A 31-year-old female asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Sore Throat: Viral sore throats usualy clear up on thier own within a few days. If your symptoms are severe or last longer see your doctor for poosible cultures an... Read More
A 20-year-old male asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Neck pain: Ask your doctor to perhaps order a MRI and recommend a neck specialist. You may have a cervical disk issue.
A 54-year-old male asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Sinus Headaches: You should be re-evaluated to determine the cause of your pain... There are solutions. Persistent infections, nerve damage, dental issues, allergies,... Read More
A 20-year-old male asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Adenoids: Consult with your primary care doc. He may then refer you to the appropriate specialists (ent, neurology, etc.) if necessary.
A 24-year-old male asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
?Nose Cyst?: Consult an ENT specialist. What you describe as a "nose cyst" could mean different things. It may be a polyp or some people see the front tip of their... Read More
A 28-year-old male asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Gas in throat: See your doctor right away... "gas" in your throat could come from numerous problems - some are serious. Infections, gerd, epiglottitis, etc.
A 28-year-old male asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Nosebleeds: See an ENT specialist - there are different causes of nose bleeds but he concerning symptom is the headache following... You perhaps need an MRI and a... Read More
A female asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Painful Cough: It depends how you have been treated so far. A painful cough can be a symptom of pneumonia, bronchitis, tsetse's syndrome (costo-chondritis) and strai... Read More
A 38-year-old female asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Throat Issues: Infection, yeast, gerd, allergy, sinusitis, vocal cord issues can all be involved... See an ENT doc
A 30-year-old member asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Nasal Congestion: See an ENT doc. Infections, allergies, deviated septums, polyps or other conditions can easily be identified and treated.
A 27-year-old male asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Pneumonia: See your doctor or go to an er - you could have bronchitis but you could have pneumonia. Don't delay !
A 23-year-old male asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Facial Pain: I would suggest seeing an ENT specialist. There are numerous problems that could result in your symptoms. A neurologist could also help you figure out... Read More
A 31-year-old female asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Headache: See your physician who may order an imaging study like a ct scan or a mri. You may be referred to a neurologist before or after any tests for an evalu... Read More
A 52-year-old male asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Nasal Congestion: You should see an ENT specialist. Your congestion can be a mix of factors: deviated septum, sinus infections, allergies, nasal polyps, etc.
A 33-year-old male asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Dizzyness and Burnin: Dizzyness can be caused by many things... Inner ear, neck or brain issues, etc. The burning an be from gerd or other problems like snrong and sleep ap... Read More
A 30-year-old female asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Sudafed and Pregnanc: You should check with your ob-gyn. This drug can drive up your blood pressure and cause other issues in pregnant women.
A member asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Chest Pain: This could be a strained chest muscle from coughing or even pneumonia. See your doctor...
A 23-year-old male asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Sinusitis : Surgery is sometimes needed... See a rhinologist (an ENT sub-specialist) to sort out your options. In my practice around 15% of patients with your sym... Read More
A 60-year-old male asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Ear pain: See an ENT doc if the pain is chroniczenker... There are numerous possibilities. Infections, gerd, cysts, diverticula, tumors, etc. Etc. Are all possi... Read More
A 46-year-old member asked:
Dr. John McMahan
ENT - Head & Neck Surgery 49 years experience
Swollen Tonsil: See an ENT specialist... Abcesses, infections, tumors, tonsil stones, etc. Are all possible.

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Testimonials
Recommendations and Thank you notes are endorsements given from patients or other doctors.

3
Recommendations
714
Thank you notes
HealthTap member
Mar 21, 2013
May've been bothered by sinusitis. My eyes are swollen. Feel the heaviness in the eyes .. wake up in the morning on the day the cuff often turns head hurts .. The problem is 6 months
HealthTap member
Mar 30, 2015
Dr. McMahan is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Mar 31, 2015
Dr. McMahan is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
This was very helpful. Thanks! Thanks, My husband had just told me that he had taken both meds. He is on BP med.. Took his pressure and it is 135/115. Took it a bit later and it was 127/82
HealthTap member
Thank you, your answer or tip was very helpful! Thankyou!! Just started the 2% ointment after fighting being sick for a year.. Scared of what the secondary infection would be.
HealthTap member
Thank you, we don't qualify for state insurance. I am an out-of-work computer tech. I am afraid my wife needs tubes. I appreciate your help

Education & Training

Medical/Graduate school

Medical University of South Carolina College of Medicine, SC
Graduated 1973MD

Residency

NORTHWESTERN MEDICAL CENTER INC

Awards

Assistant Clinical Professor
Top Doctor, Third Place, Chicago, IL - Winter
2013
Top Otolaryngologist, First Place, Illinois - Winter
2013

Affiliations

American College of Surgeons
Northwestern Memorial Hospital
Northwestern University
90,000 U.S. doctors in 147 specialties are here to answer your questions, provide medical advice, write prescriptions, and more.
Answer emailed
in 24 hours or less