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Dr. Sean McGhee

Allergy and Immunology
Stanford, CA
24 years experience male

Locations

Office

Stanford, CA

Address

730 Welch Road, Stanford, CA
Directions

About

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.

Allergy and Immunology

Languages spoken

English

Doctor Q&A

96 Answers
9 Agrees
The number of answers this doctor has agreed with.
A 22-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Potentially: About 65% of the world's population is lactose intolerant. So depending on your family background you may have a very high likelihood of being lactose... Read More
A 31-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Skin test: An fda approved skin test is now available for penicillin allergy. Many people who think they are pencillin allergic can actually take penicillin with... Read More
A 40-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Yes: Despite increasing antibiotic resistance, there usually is another antibiotic that can be found. If this is not the case, and there is a serious need ... Read More
A 53-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
No: While fatigue and dizziness might happen together with allergies, the allergy symptoms (itching, nasal congestion, sneezing, wheezing or vomiting, dep... Read More
A 48-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Use a spacer: The easiest way to use an inhaler is with a spacer. You're much more likely to do it correctly. The inhalation for an hfa inhaler is a slow inhalation... Read More
A 37-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Yes: Right after the shot there may be an itchy lump on the skin like a hive, anywhere from a pinpoint to a silver dollar size. This is usually normal, alt... Read More
A 23-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Antihistamine: The symptoms you are describing are usually (but not always) due to allergies. An antihistamine (like benedryl, zyrtec, Claritin (loratadine) or alleg... Read More
A 36-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Not much: Most common is occasional nosebleeds or headache. Of serious effects, at very high doses, a few reports have shown children with a slight slowing of t... Read More
A 36-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
No: While it's hard to directly compare these two, and for someone with a cat allergy in particular cat allergen in the home will be miserable for them, s... Read More
A 39-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
No: Generally no. If you are receiving allergy shots, it is important to have the correct tree pollen that is responsible in the shot, but otherwise the b... Read More
A 40-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Food challenge: There are many tests that can be done to help determine if you are at risk for an allergy to wheat or gluten, but ultimately, a food challenge is the ... Read More
A 25-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Measles-like: Most rashes with penicillin are "morbilliform" or measles-like. More serious penicillin allergy may result in hives (itchy, patchy swellings in the sk... Read More
A 30-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Hives, usually: Most rash from shellfish allergy looks like hives (urticaria) and/or swelling of the eyes, lips and hands (angioedema). A few people with atopic eczem... Read More
A 33-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Be ready: People's reactions are usually (but not always) similar each time they take the same amount (dose) the same way (by mouth, injected, etc). You can use... Read More
A 40-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Depends: Short acting allergy medicines like benedryl will usually be gone by 24 hours if not before. Longer acting ones, like claritin, (loratadine) zyrtec or... Read More
A 34-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Dishwashing: Standard dishwashing should be fine for just about everyone, as long as the dishes are "clean like your mom told you" (no residual food stuck on them)... Read More
A 40-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Weeks to months: It depends on the pollen you are sensitized to and your location. In southern california, the mild weather allows much longer pollenating seasons than... Read More
A 34-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Yes: Somewhere between 2-5% of children will have a milk allergy. Many but not all will outgrow that allergy as they get older. By adulthood only 0.1-0.5% ... Read More
A 31-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Finned fish: Most people who are shellfish allergic can eat finned fish (salmon, tuna, cod, etc) without a problem. You may be able to eat mollusks (clams, squid, ... Read More
A 34-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Varies: Some reactions are mild, such as hives alone. Others are more serious, with breathing problems and blood pressure drop. Some reactions (like some kind... Read More
A 32-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Bathing/Cleaning: While nothing works as well as simply not having a cat or dog in the first place, you can dramatically reduce the amount of dander by bathing the anim... Read More
A 45-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Genes + environment: People with asthma usually are predisposed to be allergic. This is usually inherited, and so caused by your particular genes. However, this alone is n... Read More
A 31-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Unknown: Many people (at least half) develop shellfish allergy later in life. This probably reflects the way the immune system develops, as some allergies are ... Read More
A 30-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Safe: If the only problem is an egg allergy, it should be perfectly safe to use applesauce as an egg substitute.
A 34-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Eustachian tube: The ear is connected to the nose through a tube called the eustachian tube that helps equalize the pressure in the ear with the outside world. This is... Read More
A 24-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
A few cause most: About 90% of serious food allergies caused by immune mechanisms come from a few foods: milk, egg, soy, wheat, peanut, tree nuts, fish, and shellfish. ... Read More
A 45-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
As long as needed: Steroid nasal sprays do not cure your allergies, but prevent the allergic inflammation. Once the medicine is stopped, your symptoms will return if you... Read More
A 35-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Bathing: If you can do nothing else, bathing the cat or dog, ideally twice per week, will help the most. Hard floors, vacuuming with a filter and using a hepa ... Read More
A 40-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
No: It's not impossible for food allergies to cause nasal inflammation, but it is unusual. It's much more likely to happen in children. If you're talking ... Read More
A 43-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
No: Hiv doesn't cause immune deficiency by changing your genes. It kills t cells, which are the quarterbacks of your immune system, telling all the other ... Read More
A 25-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Yes: Yes, and appropriate treatment before and during pregnancy can help ensure that that happens.
A 21-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Different things: Some people experience asthma as breathlessness or feeling starved for air, others chest tightness or chest pain, and still others hear or feel the wh... Read More
A 45-year-old female asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Yes: Most rheumatologist will have only a few patients with crest syndrome, if any. If travel is difficult, a specialty center may be able to work with you... Read More
A 41-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Loose stools: Classic celiac disease usually shows loose, watery stools with trouble gaining weight. However, there are large number of other symptoms that can be f... Read More
A 35-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
No: This is not a typical symptom of celiac disease. More common would be diarrhea, loose, watery stools, and failure to gain weight. Tarry stools is a sy... Read More
A 19-year-old female asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Glucose: Easiest test is to check the fluid running from the nose for glucose, which your doctor can do. CSF contains glucose and mucous does not. CSF also ten... Read More
A 47-year-old female asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Yes: There should be no effect on the TB skin test of your recent illness.
A 48-year-old female asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Increases risk of MI: Some children who had kawasaki disease as a child will develop aneurysms (weakened blood vessels) in the blood vessels that supply the heart. These an... Read More
A 34-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
See doctor: A physician can screen very easily for classic celiac disease using a blood test that works for most people. Anyone with classic celiac disease should... Read More
A 44-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Possibly: If you use them together, they will each make the other's sedative (sleepiness) effect worse. This could hamper your ability to drive or concentrate. ... Read More
A 45-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Important: Classic celiac disease is important to identify, because by avoiding gluten you can mitigate most of the effects of the disease. You should gain your ... Read More
A 35-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Can't tell: Allergy blood tests (rasts) are often ranked by class 1, class 2 and so forth, usually up to 6. This reflects the amount of allergic antibody present.... Read More
A 27-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Yes: Some relatively unusual medicines for heart rhythm problems (amiodarone), some medicines for diabetes (pramlintide or symlin) should not be used with ... Read More
A 40-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Yes: Cardec contained an antihistamine and a decongestant, both of which might be helpful for allergies in slightly different ways. However, cardec was pul... Read More
A 38-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
4 months: About four months for most cat allergen, and dog is probably similar, although there isn't much evidence about dog. Levels can persist much longer, es... Read More
A 36-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Yes: About 10-15% of people who are shellfish allergic (shrimp, lobster, etc) are also clinically sensitive to mollusks (clams, squid(calamari), octopus). ... Read More
A 24-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Yes: If you know you are juniper sensitive, you can be desensitized using allergen immunotherapy (allergy shots). For many people, this results in a perman... Read More
A 28-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Possibly: Many allergies can be tested by placing small drops of possible allergens on your skin with a small scratch to see if you are sensitive to these aller... Read More
A 32-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Off and on: In the vast majority of cases they disappear within a few days or weeks. During that time it will come and go and move around the body. Each hive shou... Read More
A 50-year-old member asked:
Dr. Sean McGhee
Allergy and Immunology 24 years experience
Seasonal symptoms: Most people with pollen allergies have itching, sneezing, running nose mostly outside and with varying severity throughout the year. If symptoms are w... Read More

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

2
Recommendations
417
Thank you notes
HealthTap member
Mar 30, 2015
Dr. McGhee is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Mar 31, 2015
Dr. McGhee is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Thank you, your answer or tip was very helpful! Allergic to penicillin & wondered about side effects with doxycycline
HealthTap member
Didn't realize that I might never grow out of my allergy...but good to know how I can control a reaction! thanks!
HealthTap member
Thank you, your answer was very helpful! Thank you we have appt for dermatologist on Monday and blood tests

Education & Training

Medical/Graduate school

Stanford University School of Medicine, CA
Graduated 1998MD

Awards

Top Allergist and Immunologist , Second Place, California - Summer
2013
HealthTap Founding Doctor
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