Dr. Matthew Cahill

Internal Medicine
Bryn Mawr, PA
27 years experience male

Locations

Bryn Mawr Medical Specialists Association

Bryn Mawr, PA

Address

Bryn Mawr, PA
Directions

My office hours

Thursday: 9:00am - 5:00pm
Show more

Insurances accepted

Independence Blue Cross Group

About

Bio

I was born and raised in the Philadelphia area and continue to live and practice here. I have a wide variety of medical experiences and remain dedicated to helping patients find a way to be as healthy as they can be. I like the satisfaction of seeing patients improve, but I am comfortable with telling patients when they may not expect improvement and helping them to plan around those circumstances.

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.

Internal Medicine

Geriatrics

Hospital-based practice

Palliative Care

Licenses

United States: Pennsylvania

Languages spoken

English

Doctor Q&A

124 Answers
15 Agrees
The number of answers this doctor has agreed with.
A 25-year-old male asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
See a doctor: You don't give enough info for a diagnosis. Duration and known recent injury would matter. Your description sounds concerning for meniscus tear. O... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 20-year-old male asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
tested? ask tester!: Your question is interesting, but incomplete. Most importantly, what known exposure you had and what treatment if any? Next what test did you have to ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 25-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
See your doctor: I am glad to hear you are not dead. I would not be surprised that your head still hurts after this. I strongly suggest seeing your doctor. You have... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 22-year-old male asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Possibly not safe: In the first place a 22 year old is unlikely to get any taller with HGH. It would be very expensive. People who have not finished growing may gain hei... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 55-year-old male asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Discuss with MD?: I think the key question is -have you had a coronary event? If so I would NOT decrease aspirin. data for PRIMARY prevention is a little less compel... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 30-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Likely normal: There are many manifestations of hormonal effects of menstruation and ovulation. Some experience constipation, others experience diarrhea. While other... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 26-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Can anybody?: It seems like you were having an evaluation for arthritis or fatigue (you don't state the symptoms you're concerned about). The studies you got all be... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 35-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
See a doctor: How long were you going to suffer with this? I would suggest going directly to an ear nose and throat doctor. In the meantime aggressive hydration wi... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 25-year-old male asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Well: Some people are allergic to these scents. Otherwise there is no health concern. Be careful though of house fire from unattended candles.
Created for people with ongoing healthcare needs but benefits everyone.
A male asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Impossible to know: you can grown until your growth plates in you bones fuse. This can be as late as the 20s for some people. I hope you grow exactly as tall as you want... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 26-year-old male asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Should be OK: Actually this is normal- all healthy people "aspirate". The cough that occurs naturally will clear most liquids and solids. The lungs have further m... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 22-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
You have hives: This condition is called chronic urticaria- it is fairly common. Under stress your body releases histamine (and other inflammatory chemicals). You m... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 23-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Probably not.: Casey, You seem healthy and take few meds, that's a good starting point, but antibiotics are tricky. If you did not take a full course, the infectio... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 30-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Possibly not: Usually symptoms from Migraine resolve after the headache resolves. You may need EMG, MRI and physical therapy evaluation and treatment. See your ne... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 25-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Interesting: You need to be checked if this continues. Some people complain of this with hyperthyroidism. Some medications may cause something similar. Also alle... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 20-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Possibly: What you don't say is/whats new! If you have been on the same diet for years, but the loose BMs are new, then possibly not. If you just started a ne... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 62-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Check out CDC: 1st the CDC (center for disease control) has a GREAT website resource for you. Look up CDC MRSA. You could be considered infectious. Soap on your b... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 20-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Get a free consult: Generally I would tell someone your age not to worry about this cosmetically. However you can see several plastic surgeons & ask their opinions at... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 42-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Probably just that: As doctors we don't usually call anything scars of the lungs so I can't be sure what you mean. Smoking may disrupt lung structure leading to what is ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 28-year-old male asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Possibly: It is good that you went to the ER for eval. It is also good that these symptoms seem to improve with a drug for relaxing people and fluids for hydra... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 31-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Uncertain: You should have had this answer from the doctor who made the diagnosis. You need to return to them on a regular basis. There is no certainty that the ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 17-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Too many pills: You can call poison control or go to the ER, but get help immediately. Your doctor can prescribe 800mg 3 times a day. overall, with proper care, your... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 52-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
See a doctor: Hard lumps are bad. Growing lumps are bad. Having discomfort with eating is bad. GO SEE A DOCTOR TOMORROW! I hope this helps and they find somethin... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 46-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Probably not: With diagnoses like Marfans and hypothyroid, you need an excellent doctor. If you are truly gaining height at this age it is VERY unusual. One condi... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 36-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
See your doctor: You don't say where the pain is, which would tell a lot. Morning stiffness is an arthritis symptom and you may have a new or even serious arthritis r... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 38-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Ask your doctor: Postural Orthostasis maybe helped by florinef (fludrocortisone). As it seems you know it is not without risk. You need and deserve to have a full co... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 31-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Yes: Your question is VERY smart. It could be your pituitary- or other causes. Overall Endocrinologists handle this complex thyroid question, so you ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A member asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
See someone: I can tell you've done your best to describe this, however I'm not sure what it is by description. She needs to be evaluated for possible lymph node ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 24-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Probably myoglobinur: Many possible explanations here, including supplements that discolor urine, other causes of renal injury, dehydration, bleeding in kidney OR increased... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Probably: This might be normal or inflammatory, but it is NOT the typical discharge of yeast infections. Clear and odorless may generally be considered "safe".... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 31-year-old member asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Yes: Not sure why you want to, but this should work fine if you don't spill any.
Created for people with ongoing healthcare needs but benefits everyone.
A 29-year-old male asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
OK: At your age I would only start medication for very high cholesterol, family history of heart disease or if you had a heart attack. Diet and exercise... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 26-year-old male asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Probably not: Pancreatic disorders may cause loose stool. They are not the most common cause. In the office, I would suggest a probiotic or yogurt daily as well ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 19-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Try other stuff: This is an uncommon problem in someone your age, but a common problem throughout the life cycle. Lubricants are the only out-of-the-box answer. Maybe ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 48-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Probably normal : Mucoid secretions occur commonly with viruses- if your eye is extremely red, swollen or painful, you may want to see a doctor quickly. If none of the ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A male asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Watch and wait: Possible causes include acute infectious diarrhea, "allergic" response to toxin and inflammatory bowel. You need to keep a close eye on things. If ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
You can!: Endocrine disorders and advancing age can make weight loss significantly more difficult. Nonetheless, with a good plan and adherence you can achieve g... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 45-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Need an eval: You can try OTC hydrocortisone and cool compress but this needs to be evaluated ASAP so a professional can say for sure that nothing bad is going on! ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 19-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Yes: Untreated Thyroid dysfunction can cause serious problems. Plain and simple you need a full evaluation and treatment and follow up if this is your thy... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 42-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Call your doctor: Colleen Sorry to hear all of this. We both know it is not normal to bleed more than a couple days ( I presume you mean menstruation) Your need to ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 25-year-old male asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Can't be sure: I suggest you try some nasal saline spray or wash, 3-4 x a day. Nosebleeds are common, commonly worse in the winter. NEVER pick your nose - trauma i... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 20-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Try changing diet?: Bowel sounds, even loud ones are normal. Gas may cause more sounds like this and may be worsened by carbonated beverages, vegetables, milk or a vari... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 32-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Need to see Ob: Overall, this is probably nothing, but given your condition you need to see your doctor as soon as possible
Created for people with ongoing healthcare needs but benefits everyone.
A member asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Probably safe : I have seen renal failure from inappropriate creatine supplementation. I use creatine myself but on an intermittent basis such as every other day. I t... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 38-year-old male asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Ask someone new!: Your tests are normal, but your symptoms are not. They seem to indicate some form of collagen vascular disorder. You probably need a Rheumatologist ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 29-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Probably nothing: Twitching of the small muscles of the face is common, but rarely pathologic. This finding is most commonly associated with fatigue, overuse or other ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 34-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
It's lack of carbs: Why limit your carbs to 20g daily? Why are you checking your blood sugars? As you ought to know if you are doing this experiment, your body will eve... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 29-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Get an evaluation: You know something isn't right. It's NOT impossible that anxiety can cause all these findings, but it seems unlikely. Perhaps you have a heart rhyth... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A male asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Possible RA: You leave out the detail about your current state of treatment. Multiple possible causes exist for the type of pain you describe. Back pain is it most... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 29-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Won't hurt: We know that deficiency can cause brittle hair or hair loss. Some studies suggest it may help your hair. Interestingly it may also support mood stabi... 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.

1
Recommendations
102
Thank you notes
HealthTap member
Nov 26, 2015
I am grateful for this doctor this Thanksgiving!
HealthTap member
This was very helpful. Thanks! Short-lived soreness/aches that have now more or less subsided. Vit D was in low 30's, so may have been the cause. May also have stress-induced rosacea; worried was Lupu...Read More
HealthTap member
This made me feel good. Thanks! You have really helped soothe my worries. I have recently been feeling my heart more and more, in my fingers, head, etc, so I'm glad this is nothing to worry about.
HealthTap member
This was very helpful. Thanks! The situation did resolve itself with the help of a laxative/ stool softener. But now I know for future reference. Thank you for your time!

Education & Training

Medical/Graduate school

Hahnemann Medical College, PA
MD

Residency

HAHNEMANN UNIVERSITY HOSPITAL
Completed 1999

Awards

Top General Internist, Second Place, Pennsylvania - Fall
2015
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