U.S. doctors online nowAsk doctors free

Dr. Larry Xanthopoulos

Pediatrics
MA
24 years experience male

About

Bio

Enter your bio...I received a BA in Biology at Brandeis University in Waltham, MA. I attended medical school at Boston University and trained in pediatrics at the Floating Hospital for Children at Tufts Medical Center in Boston. I have practiced high quality pediatrics in an outpatient and inpatient setting for the past 12 years in the suburbs of Boston. I have been the health consultant to many public and private schools. I have served on the Board of the Independent Physician Association at Emerson Hospital in Concord, MA and helped in establishing the medical home, assisted in electronic medical integration and representing physicians in their contracting with major insurers. I am well versed in all aspects of pediatrics including behavioral issues.

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.

Pediatrics

Licenses

United States: Massachusetts, New Hampshire

Doctor Q&A

1.0K Answers
42 Agrees
The number of answers this doctor has agreed with.
A 24-year-old female asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Drysol: Do you think the deodorants or antiperspirants you use do not work? Are you taking any meds? sometimes they may effect the sweat. In any case if you... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 24-year-old male asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Lactose intolerance?: If you are seeing a corrolation with dairy then you might have lactose intolerance. If you are noticing that there is no issue with wheat products it... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 17-year-old female asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Depends: If an ovarian cyst gets large enough or puts enough pressure on structures then pt may present with lower abdominal pain on the side of the cyst. If ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 17-year-old female asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Hard to say: Not sure we can make a diagnosis just from that information. In order for a diagnosis for bipolar one has to meet specific criteria. Physical abuse ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 32-year-old male asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Milk: Why don't you give your son regular cow's milk and have him get his nutrients from eating solids? It may be unnecessary to give him formula at this a... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 19-year-old female asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
HPV: Human papilloma virus (HPV) causes warts including genital warts. Gardasil vaccine covers 4 strains of the HPV virus and in studies has shown to decr... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 18-year-old female asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
No: Rocephin does not treat chlmaydia, it does treat gonorrhea. You need either zithromax or doxycycline for chlamydia. May not be a bad idea to get the... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A male asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
No: Caffeine does not necessarily cause weight loss. Energy drinks have a lot of calories, should not be consuming unless you do significant physical act... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 24-year-old female asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Talk to the doctor: Talk to the doctor who prescribed the accutane, follow up with him/her. Are you taking the med as was described? Maybe you need to increase the dose... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 34-year-old female asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Possibly: Cough mostly during nap or bedtime is more consistent with nasal congestion leading to cough. Cough due to lung irritation usually is seen any time of... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 25-year-old female asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Not approved for WL: Although in studies pts who take metformin for various reasons have lost weight, this is not an indication for this medication.
Created for people with ongoing healthcare needs but benefits everyone.
A 28-year-old male asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Milk protein allergy: Is your child 26 days old? The symptoms are suggestive of milk protein allergy. Consider a hypoallergenic formula. Treat rash symptomatically with ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 42-year-old female asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Possible: I would recommend an examination by the doctor to rule out any lesions
Created for people with ongoing healthcare needs but benefits everyone.
A 24-year-old female asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
About 120 lbs: One easy equation for weight is to be 100 lbs for 5 feet and then add about 5 lbs per inch. So for 5'4'' an average weight would be 120 lbs plus or m... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A male asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Could be: Very hard to say anything specific without inspection of a lesion/
Created for people with ongoing healthcare needs but benefits everyone.
A 17-year-old female asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Pustules?: Do you shave? It is possible you have folliculitis, an infection of the hair roots. It is quite common. Is the area painful? Is the area red? Con... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 49-year-old female asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Probably 2 tspns: It depends on the concentration of the syrup but if it is 250 mg of calcium and 125 IU of Vit D per teaspoon then 1-2 tspns as a supplement should be ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 38-year-old female asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Many possibilities: There are many possibilities. It could be that your body has not adjusted yet and your hrmones have not normalized from pregnancy and breastfeeding. ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 18-year-old female asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
PDD spectrum?: Has he been evaluated by a developmental pediatrician? He might be in the PDD spectrum and he may benefit from therapies like ABA or OT. IT would be... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A male asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Final height: I can't tell you how tall he should be right now, you have not given me any info about how tall he has been at any given timeframe. However, based on... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 35-year-old male asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
No prescriptions: You may ask any question on this service but you need to contact Healhtap Prime for prescription requests. However, controlled substances, psychiatri... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A member asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Normal reaction: It is normal to have an urge to go to the bathroom after a meal. This is called the gastrocolic reflex. There is no need to worry about this and the... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 33-year-old female asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Talk to your doctor: Please see your doctor as soon as possible for an assessment. I am worried for you and your beautiful children.
Created for people with ongoing healthcare needs but benefits everyone.
A 21-year-old male asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Can happen: The same virus or bacteria that causes pharyngitis can cause conjunctivitis. If you have been placed on oral abx for pharyngitis that should take car... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A male asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Reaction?: could be an untoward reaction to one of the creams you used.
Created for people with ongoing healthcare needs but benefits everyone.
A 32-year-old female asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Normal: About 15% of 5 y/o still wet the bed at night, and 5% of 10 y/o do the same. This is related to immature connections between the bladder and brain. ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 16-year-old female asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
What's baby's weight: Does is weight dependent. I would guess baby weighs about 8-10lbs. That is about 4 kg. Dose for tylenol (acetaminophen) is 16 mg/kg. So about 60 m... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 49-year-old female asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Yes: Pain from an ear infection can refer to the neck/throat and vice versa
Created for people with ongoing healthcare needs but benefits everyone.
A 31-year-old female asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Take to ER: Take to ER due to fever and headache, Get the child evaluated to make sure child is ok
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old member asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
How old?: How old is your son? Is this primary or secondary enuresis, meaning has he ever had period of 1 month or more without any accidents? About 15% of 5 ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A member asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Dehydration?: That averages out to one diaper every 7 hrs or so. Is pt drinking lots of fluids? Is he/she vomiting? May need to take to the ED for eval and see i... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 24-year-old female asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Maybe: It is hard to know how long it may take for you to conceive as that may vary from person to person. If 6 months go by and you are not pregnant then s... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 20-year-old female asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Systemic JRA: This is another name for systemic JRA. There are many immunosuppressive treatment options and your rheumatologist will figure out the best option for... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A female asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Virus: Most likely a viral illness is causing your symptoms.
Created for people with ongoing healthcare needs but benefits everyone.
A 18-year-old female asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Unhealthy weight: The weight you stated is too much for your height. It could predispose you to elevated blood pressure, elevated cholesterol, risk of diabetes. Plea... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 26-year-old female asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Please see doctor: please see the doctor as soon as possible. He could have the flu or pneumonia. I don't like the fact that he is not eating, he might become dehydrate... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 20-year-old male asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Yes: You can get an ingrown hair at this location. You can try moisturizing the area to see if it will help it grow out. If the area gets red or painful ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A female asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Cannot tell: Cannot say definitively based on only the info provided. However it is possible that it is strep, you just got diagnosed, so you need to give it 48 h... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 31-year-old member asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Supplements: It might be worth trying a supplement like fenugreek. This might increase your milk supply.
Created for people with ongoing healthcare needs but benefits everyone.
A 27-year-old female asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Reflux: It can be normal for a 3 week old to spit up. As long as pt is not fussy with spitting and pt is gaining weight this can be normal. This is probably... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 20-year-old male asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
GERD: Typically patient will take an antacid like PPI for 1-2 months to see if symptoms subside. Change in diet may help also. Once pt feeling better you ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 26-year-old female asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Depends: Is he struggling to breathe? Is he vomiting? Is he having difficulty feeding or drinking fluids? Does he have a high fever? These may be reasons to... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 32-year-old member asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Gluten intolerance: The term gluten intolerance is not the same as celiac disease. Gluten intolerance implies the person does not "tolerate" large amounts of gluten well... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 27-year-old male asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Probably oldhematoma: Why was the xray taken? Do you have chronic pain in the region? If you have some calcification in the subcutaneous area of the shin it is possible t... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 95-year-old female asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
No: A value of 95 is within normal. A blood sugar less than 60 would be concerning. If someone had a blood sugar less than 60 consistently and/or had sy... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 30-year-old male asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
SSRI: An SSRI would be a good choice. These medications have been used successfully for these conditions and have been preferred due to a low potential for... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 42-year-old member asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
How old?: How old? What are the symptoms? Laryngomalacia is common in the first year of life. Generally it is immaturity of the laryngeal cartilage that norm... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 16-year-old male asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Maybe not: For males their growth spurt is typically 12-14 yrs of age. That is not to say you won't grow at all but it is possible some of your friends are "lat... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 24-year-old male asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
See dermatologist: a picture can tell us more than words when it comes to rashes. This sounds odd based on the coloration you describe and it sounds like it is enlargin... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 41-year-old female asked:
Dr. Larry Xanthopoulos
Pediatrics 24 years experience
Severe acne?: I am assuming he has severe acne and is followed by Dermatology. They typically treat with Accutane for 6 months at a time. I am assuming they review... 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.

16
Recommendations
815
Thank you notes
Feb 7, 2015
Dr. Xanthopoulos is a superb pediatrician, much loved by his patients & their families, also held in great respect by his peers.
HealthTap member
Nov 27, 2015
Dr. Xanthopoulos helped us with giving best advice on how to fix kid's milk intake when i lost hope on all other doctors i consulted . Thank you soo much.
HealthTap member
Apr 12, 2015
Honestly the best consult I have ever had, he explains everything and will answer all your questions. Highly recommend him to any patient needing care!
HealthTap member
This was very helpful. Thanks! I'm so greatful for your expertise on this horrible situation! If that doesn't work I will then go to doc! Thank you I feel confident with you treatment option to try fi...Read More
HealthTap member
This was very helpful. Thanks! My reaction was hives-lots of them that started to appear less than 12 hours after I ate the octopus so I'm assuming that the octopus was the cause.
HealthTap member
This was very helpful. Thanks! Baby felt warm and was crying nonstop. It seems like her crying caused her temp to be high. Feels normal to the touch and the crying stopped.

Education & Training

Medical/Graduate school

Boston University School of Medicine, MA
Graduated 1999MD

Residency

TUFTS MEDICAL CENTER
Completed 2002

Awards

New England Hellenic Medical and Dental Society
Top Pediatrician, Second Place, Massachusetts - Summer
2014
Top Pediatrician, First Place, Massachusetts - Fall
2014

Affiliations

Massachusetts Medical Society
American Academy of Pediatrics
Diplomate of the American Board of Pediatrics
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