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Fullerton, CA
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SpecialtiesDoctors 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.
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.
Dermatology
Languages spoken
Arabic, English, Mandarin, Romanian
Doctor Q&A
303 Answers
0 Agrees
The number of answers this doctor has agreed with.
A 48-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
Reputable company: There are many products available and they are not regulated by the fda. It is hard to select products which seem the same but may have been made in ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 31-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
Benzol peroxides: There are multiple benzoyl peroxide washes and topicals that are over the counter that should help. If that is not successful you may need a topical ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 34-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
Not well: Noxema is not a treatment for acne or hyperpigmentation. Unless your skin is very dry it may clog the pores and lead to more acne. There several cau... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 39-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
Yes: Seasonal allergies can cause localized node swelling if there is a secondary infection. Have it evaluated.
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 20-year-old female asked:

Dr. David Sireanswered
Dermatology 56 years experience
Probably not: The diagnosis of scabies is made by identifying organisms or their products in the skin by scrapping or biopsy. If there are not lesions to see, it c... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 18-year-old female asked:

Dr. David Sireanswered
Dermatology 56 years experience
Depends upon you: That is a difficult question to answer without examining the person personally. Acne in young women which flares premenstually probably has a hormona... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A male asked:

Dr. David Sireanswered
Dermatology 56 years experience
Have it evaluated: Lymph node enlargement is normally infections and may come from the skin or from a dental abscess. With no obvious cause you should have it evaluated... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 37-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
Normally: Acne scarring is a complex skin reaction. To leave an inflammed lesion for a longer period of time is more likely to scar, but sometimes the depth of... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 51-year-old male asked:

Dr. David Sireanswered
Dermatology 56 years experience
Neither: I can find no reason to think that either would work. This is a viral infection that causes a tumor and the body needs to mount an immunologic respon... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 38-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
Combinaiton care: Depending on the type of acne and your skin type and possible hormonal factors, a combination of oral medications, topical retinoids, antibiotics and ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsAnswered >2 years ago
A 40-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
Leave them: It is best to apply a topical medication like benzoyl peroxide that to express them at home. The best treatment is to have your dermatologist extract... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.4k viewsReviewed >2 years ago
A member asked:

Dr. David Sireanswered
Dermatology 56 years experience
Vitiligo: This probably represents a skin condition called vitiligo which is an immunological reaction to our melanocytes. It needs to be evaluated by a dermat... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 38-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
Some peels do: Yes, some peels do reduce acne scars. It depends on the type and depth of the scar and which agents are used. You need to see a dermatologist who sp... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 36-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
Not likely: Facial cleansers are helpful and form a part of the regimen for acne treatment. It is unlikely that it will clear acne by itself. You are best to se... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 40-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
Probably glands: These are problably glands, but could be small warts as well. You need to have a dermatologist evaluate them and decide on treatment options.
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 18-year-old male asked:

Dr. David Sireanswered
Dermatology 56 years experience
Seek help: Seek help from your dermatologist. Stress is a commom cause of acne flares and prompt treatment offers you the chance to prevent scarring.
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 47-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
Depends on cause: Recurrent underarm "boils" may be related to the carriage of staph bacteria in the skin and should be treated with topical antistaph antibiotics. The... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 38-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
Best to wait: It is best to have the acne under control before doing scar treatment. See your dermatologist and get the acne clear and then plan on a treatment for... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 37-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
2 to 3 months: One needs to be paient with rogaine (minoxidil) as the process stimulates vellus hairs already present to mature.
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsAnswered >2 years ago
A female asked:

Dr. David Sireanswered
Dermatology 56 years experience
All melasma: Melasma is the inclusive diagnosis, but the areas of the face and body which are affected may be different between people.
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 37-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
Seal it : It is probably best to use an acrylic lacquer to paint on the outside of the nail plate which should seal the surface until the nail grows out far eno... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 39-year-old female asked:

Dr. David Sireanswered
Dermatology 56 years experience
Not wise: Pigmented lesions need to be evaluated by your dermatologist. It is unwise to destroy these areas without a diagnosis of them being benign.
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 38-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
Pigment or blood: Brown discoloration is usually pigment, but can be hemosiderin from bleeding if there has been trauma, part of the healing process induces blood vess... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 34-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
Professional help: There are several things to try including oral medications, topical medications and sometime oral hormonal therapy and accutane. You need evaluaation... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 36-year-old male asked:

Dr. David Sireanswered
Dermatology 56 years experience
Avoid: Avoid ultraviolet light as much as possible as it damages hair.
Created for people with ongoing healthcare needs but benefits everyone.
5k viewsAnswered >2 years ago
A 49-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
Yes: Benzoyl peroxide does work for inflammatory lesions. There are so many different concentrations and preparations of benzoyl peroxide available it is ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 41-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
Why?: Neomycin and polymixin are topical antibiotics and can be used for external infections of the skin or ears to treat susciptible bacteria. Whether or ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 44-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
See dermatologist: You should have the area examined to be sure there is nothing else occuring at the site. See your dermatologist.
Created for people with ongoing healthcare needs but benefits everyone.
5k viewsReviewed >2 years ago
A 34-year-old female asked:

Dr. David Sireanswered
Dermatology 56 years experience
Not likely: You should consider a contact dermatitis from soap or cleansers. If it pesists see your dermatologist.
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsReviewed >2 years ago
A 32-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
May need evaluation: There are no bones in the nostril only cartilage. If this asymmetry has been present since childhood, it is probably normal. If this is a change in... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsAnswered >2 years ago
A 44-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
Topical care: To decrease occlusive clothing and use mild emollients and topical antipruritics is a first step. Stay cool, lots of fluids and decrese perspiration.
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsReviewed >2 years ago
A 32-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
Antifungals: Typically fissuring only at the corners of the lips is caused by oral fluids accumulating there during sleep and becoming infected with a yeast or bac... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsAnswered >2 years ago
A 41-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
Yes: Hpv is an infectious condition which is transmittable. You should be examined and refrain from intercourse until she is clear.
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsAnswered >2 years ago
A 38-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
Technically no: If the nostril is indeed sealed by swelling then water would not pass either way. You would have to evaluate the degree of swelling to have a valid a... Read More
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsAnswered >2 years ago
A 31-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
Minor surgery: Usually a topical anesthetic followup by a local. Then the area is opened and the fluid within it is drained to remove some of the bacteria and decre... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A 18-year-old male asked:

Dr. David Sireanswered
Dermatology 56 years experience
Not likely: Every treatment has some side effects. The experience and skill of the surgeon and the cooperation of the patient in following post operative instruc... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsAnswered >2 years ago
A female asked:

Dr. David Sireanswered
Dermatology 56 years experience
Hard to know: Scabies infestation has plagued mankind for thousands of years. We have skin mites normally on our bodies which we are not aware of, the "dust mite" ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 26-year-old male asked:

Dr. David Sireanswered
Dermatology 56 years experience
Hair is normal: The transplanted hair is normal hair and is just shorter than you surroundinng hair. It takes awhile for the inflammation to resolve, and it usually ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 47-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
Topcials or laser: Erythema after inflammation on the face resolves slowly over a month or twol. Faster requires topicals like 20% vitamin c or laser therapy in our exp... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsAnswered >2 years ago
A 19-year-old male asked:

Dr. David Sireanswered
Dermatology 56 years experience
See physician: This sounds like an infection of some kind and you need to be seen by your physician for a physical examination and treatment as indicated.
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 16-year-old male asked:

Dr. David Sireanswered
Dermatology 56 years experience
Sun precautions: Freckles are a localized increase in pigment in your melanocytes and cannot be permanently removed. Decreasing sun exposure and sun protectice clothi... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsAnswered >2 years ago
A 62-year-old male asked:

Dr. David Sireanswered
Dermatology 56 years experience
Check with physician: You should check with your hair transplant surgeon. Low dose Accutane is metabolized into vitamin a in the body. High doses can cause some hair thin... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsAnswered >2 years ago
A 27-year-old female asked:

Dr. David Sireanswered
Dermatology 56 years experience
Not evaluated: I do not believe there are any peer reviewed studies using prolotherapy for psoriatic arthritis so it cannot be recommended. Psoriatic arthritis is a... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.1k viewsAnswered >2 years ago
A 36-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
Possible skin tear: You should have this checked by your gynecologist. It could be a skin tear or something more serious if it persists.
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsReviewed >2 years ago
A 20-year-old female asked:

Dr. David Sireanswered
Dermatology 56 years experience
Folliculitis: Pimple like areas on the legs usually is a folliculitis or another type of follicular irritation. It could be related to stockings or other sports ge... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
A 21-year-old male asked:

Dr. David Sireanswered
Dermatology 56 years experience
Not without exam: Your need to have your physician examine the area and evaluate what could be causing this area. You cannot tell if it is a problem without and examin... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.3k viewsReviewed >2 years ago
A 38-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
Emollient cream: A mild emollient cream should relieve the symptoms and rehydrate the skin after the dermatitis resolves.
Created for people with ongoing healthcare needs but benefits everyone.
5k viewsReviewed >2 years ago
A 49-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
Possible.: Some believe that some foods trigger acne, but the mechanism is not known. There are those who believe that fats in the diet and even milk can flare ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 36-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
Not the best: The best antibiotics for acne have been the tetracycline/doxycycline/minocycline family of antibiotics as they concentrate in the hair follicles where... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsReviewed >2 years ago
A 47-year-old member asked:

Dr. David Sireanswered
Dermatology 56 years experience
Facial products: There are many things that can cause a dermatitis in the home. The most likely are soaps, cleansers and facial cosmetics. After that it depends on w... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.2k viewsAnswered >2 years ago
TestimonialsRecommendations and Thank you notes are endorsements given from patients or other doctors.
Recommendations and Thank you notes are endorsements given from patients or other doctors.
3
Recommendations
340
Thank you notes
HealthTap member
Feb 21, 2013
my haira re falling day by day and r ggetting thiner day by day i need help
HealthTap member
Mar 30, 2015
Dr. Sire is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Mar 31, 2015
Dr. Sire is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Thank you, your answer was very helpful! Sir,i really want to say thank u for ur answer..i m from developing country:) it is very kind of u to answer my question
HealthTap member
Thanks for your quick reply! It has been there a while.!!! he says its lyk hard skin feel could this mean anything
HealthTap member
Thank you, your answer was very helpful! "pseudocatalase has been used with success for vitiligo" more info pls
Education & Training
Medical/Graduate school
UC Irvine School of Medicine, CA
Graduated 1967MD
Awards
Top Dermatologist , Third Place, California - Winter
2013
Top Dermatologist , Third Place, California - Summer
2013
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