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Dr. John Chiu

Allergy and Immunology
Newport Beach, CA
59 years experience male

Locations

Allergy Medical Group, Inc

Newport Beach, CA

Address

400 Newport Center Dr, Suite 401, Newport Beach, CA
Directions

My office hours

Saturday: Closed
Show more

Practice website

Fax

9496441424

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

9.5K Answers
1.5K Agrees
The number of answers this doctor has agreed with.
A 28-year-old male asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
See doctor: If you use a latex condom, the rash may be from latex allergy which may not show up until many hours after using. Another issue may well be an infec... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 67-year-old female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Yes: May even be in minutes if it is a dissecting aneurysm.
Created for people with ongoing healthcare needs but benefits everyone.
A female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Hard to say: Recent studies have shown that some people are more genetically predisposed to get insect bites (mosquito was used in the experiment). You could have... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old member asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
See doctor: If you have unexplained lymph node enlargement without improvement for more than a couple of weeks , you should consult your doctor re. the cause.
Created for people with ongoing healthcare needs but benefits everyone.
A 32-year-old female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Probable: The menstrual cycle can be affected by many factors including emotional as well as illnesses. Thus I would not be concerned over a 1-day delay. But i... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 41-year-old female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Depends: Whether one should be hospitalized or not depends on the severity of the asthma. Although Pulmicort is not expected to cause a fever, there many othe... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A male asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Yes: You may need to have a lung function test to pinpoint the cause for your cough since one needs to rule out asthma. The blood tests showed that you mi... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A male asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
See doctor: It this has been present for some months, you need to see a dermatologist to see what it may be (abscess, skin cancer etc).
Created for people with ongoing healthcare needs but benefits everyone.
A 24-year-old female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Possible: Nutritional deficiency can highly impact your muscle mass and strength. Twitching however may be caused by electrolyte imbalance. Thus it all depends... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 25-year-old female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
See doctor: It is not uncommon to have pain in the chest cage or the diaphragm after violent vomiting, but if you still have a cough 24 hours after the episode th... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 30-year-old female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Depends: Not all green snots are from infection but having a sinus infection makes it nearly impossible to control the nasal symptoms. Consult your doctor to f... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 30-year-old female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Pregnant v virus: You may have a viral infection but may possibly be pregnant. If problem persists or worsens, call your doctor.
Created for people with ongoing healthcare needs but benefits everyone.
A 18-year-old male asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Unrelated: Best to see a GI specialist since nausea is not a common symptoms for immune impairment. As for feeling sick, you will have to be more specific abou... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A member asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Leave it alone: Give it a few more days to see what happens. If the problem persists, check with your doctor. I would not advise poking the area with a needle on yo... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
No: Most people do not become allergic to antibiotics yet it can develop at any time. Thus there is no way to tell ahead of time whether you may be allerg... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 63-year-old female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Describe symptoms: Please tell us what actually bothers you. The chlorine in pools acts as irritants and not allergens but there is no way to answer your question witho... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 22-year-old male asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Difficult: Have phototherapy with UVB-NB ever been mentioned? It may be worth a try.
Created for people with ongoing healthcare needs but benefits everyone.
A 30-year-old female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Unlikely: At this dose, I'd doubt hydrocortisone causes any noticeable effects. At a much much higher dose, cortisone may worsen your reflux leading to a dry co... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 26-year-old male asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
See doc: It appears that you may have a condition known as sicca syndrome wherein not enough saliva, nasal mucus, and tear are produced. However this conditio... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Other antihistamines: You may try an antihistamine eye drop or take any other kind of antihistamine. They would not do harm to your babies (vs Benadryl (diphenhydramine) w... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 29-year-old female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Ok to stay: If Claritin alone controls his allergies, it would be ok for him to continue on it. On the other hand, I suspect that it is only rendering his sympto... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 26-year-old male asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Unclear: But if you are using too many irritant products on your face, you may end up with worse things than changing color. Products should be used according... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 23-year-old female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Smell function: Unless other people also notice this odor, you may have a problem with your smelling function. Consult an ENT specialist if this is bothering you.
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Depends: Prednisone will likely control most skin inflammation but may cause serious side effects if taken for a long time. It is also unusual for atopic eczem... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 38-year-old male asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
High eye pressure?: Since all drops containing antihistamine and especially steroid would potentially elevate your eye pressure, consider trying one containing cromolyn. ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 46-year-old female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Asthma?: I have two thoughts on your condition; (1) You may have undiagnosed asthma which was worsened by tobacco smoke exposure. (2)You may have caught a vira... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 53-year-old male asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
How long?: If this has been present for a few days and is getting smaller, just watch it for another week. If this has been present for a long time, ask your doc... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 22-year-old male asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Unknown: Although cholinergic urticaria may subside with time , we have no idea as to whether or when this may happen. I usually advise my patients to take an... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 43-year-old male asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
See allergist: If this is getting worse, it is time to consult an allergist. On the other hand, the absence of itching points away from allergies. Has he been placed... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
What kind of symptom: Although not usually encountered, I suppose that there can be some withdrawal symptoms if one has been taking a high-dose (>50 mg) of this medicati... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 19-year-old female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Depends: In a study done many years ago, the recipient without any history of asthma developed asthma after receiving a lung transplant from someone with asthm... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 28-year-old female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Hard to say: It is impossible to tell without having visualized the lesions. However your response to treatment may be the answer other than consulting a dermatolo... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Hard to tell: but about 30-40 % of chronic hives are considered of autoimmune origin. Try antihistamine up to 4 doses per day and consider consulting an allergist a... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 23-year-old female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Where?: If these lesions are found mainly at the armpits and groin areas, they are most likely from an inflammation of the sweat glands. Topical antiperspiran... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 34-year-old male asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Healthy: Less (but not no) meat, more vegetable & fruits. Good physically fitness and endurance is a must. Too much weight hurts you physically and sexua... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 25-year-old female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Exposure: If you have not had sex or blood exposure since then, the risk is about zero. But if you have, then it depends on whether your partner(s) has HIV or ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 20-year-old male asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Yes: The rule of thumb is whatever bothers you, stop eating or doing it. Most intestinal problem from dairy is from lactose intolerance but then this shoul... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 17-year-old female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
See OB: This can cause major problem if not taken care of promptly and you need to see your OB now or go to an ER.
Created for people with ongoing healthcare needs but benefits everyone.
A 26-year-old female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Hard to tell: If this involves only one side and follows a dermatome pattern (google dermatone) , then this may be the beginning stage of shingles which will likely... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 20-year-old male asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
No: LPR does not cause lung cancer. Unless the acidity of the reflux is quite high (<3.9 pH) , it probably would not increase the risk for esophageal c... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 50-year-old male asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Can't tell: Since the presence of discoid lupus does not necessarily lead to SLE.
Created for people with ongoing healthcare needs but benefits everyone.
A 24-year-old male asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Call doctor: Sometimes the treatment itself creates disease. A drug reaction (serum sickness type) to penicillin should be considered especially if the symptoms st... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 19-year-old female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Depends on the cause: Miscarriages occur from various reasons. Some of the fetus' genetic makeup are not healthy and thus rejected . Others are from hormonal imbalance or ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 54-year-old female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
See ENT: I recommend that you consult an ENT. What you have is not a common throat infection and thus an ENT consult is warranted.
Created for people with ongoing healthcare needs but benefits everyone.
A member asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Most likely: This is not totally unexpected and I would expect that the pigment will return within a few weeks in most cases.
Created for people with ongoing healthcare needs but benefits everyone.
A 28-year-old female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
You'd be: If you feel sick for a long time, you'd be worried. A low C3 & C4 especially in the presence of high ANA titer may point to an active autoimmune p... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 23-year-old male asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
The cause: You have already provided the answer if anxiety triggers the gagging. Efforts then should be directed towards anxiety reduction- exercise, meditation,... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 35-year-old female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Get second opinion: Although the normal blood tests suggest that your lupus is not active, one needs to consider other causes for your pain and thus I would suggest that ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 46-year-old female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Highly unlikely: to be from Flonase which , to my best knowledge, has never been reported to have caused severe allergic reactions. Irritation perhaps but allergy unli... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 31-year-old female asked:
Dr. John Chiu
Allergy and Immunology 59 years experience
Aloe: Aloe is the likely cause for the dry tongue. Since it has little proven health benefits, you should avoid it if it bothers you. Allergic reaction is... Read More
Created for people with ongoing healthcare needs but benefits everyone.

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

25
Recommendations
5.5K
Thank you notes
I endorse Dr. Chiu. It's clear from his answers to challenging questions that he is indeed an expert in his field. He is a wonderful resource to HealthTap and therefore to the public who needs sound ...Read More
Nov 29, 2014
Dr. Chiu is a very knowledgeable and compassionate doctor who gives practical and sensible advice. I enjoy reading his answers. Highly recommended.
Dec 24, 2015
Excellent fund of knowledge in his specialty. Thorough but to the point answers to questions.
HealthTap member
This made me feel good. Thanks! I'm surprised you haven't heard about this disease.It's similar to the HIV disease in humans.My friend's friend's cat has this disease and she lives in Europe. She can'...Read More
HealthTap member
This was very helpful. Thanks! Thanks a lot it relaxed me a lot! I'm sure that sperm spread only on leg not on nicks eventhough test is required? currently i'm facing skin itches, head ache ,sort of d...Read More
HealthTap member
This was very helpful. Thanks! Thank you for your answer. I have appt tomorrow for more test. I may be crazy but I feel like I've been fighting a mite but since I don't itch much they say no. Hopefull...Read More

Education & Training

Medical/Graduate school

University of Vermont
Graduated 1964MD

Residency

Medical College of Wisconsin

Awards

Voluntary Faculty Award, American Academy of Allergy Asthma Immunology, 2013.
Top Doctor, Third Place, California - Summer
2013
Top Allergist and Immunologist , Second Place, National - Summer
2013

Affiliations

American Academy of Allergy & Immunology (emeritus Fellow)
American College of Allergists (emeritus Fellow)
American College of Chest Physicians (Fellow)
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