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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 49-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Try not to worry: What you describe may literally be nothing! If you can get a good urologist and seek their opinion. Generally this finding would not be cancer, but t... 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 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 33-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Usually puzzling: What causes low grade fevers is not usually easily discovered. I would first consider if there's any particular activity or food usually done around ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 63-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Yes: It is surprising how often ulcers are asymptomatic. Perforating ulcers usually cause pain. Pancreatic inflammation is an uncommon complication of ul... 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 17-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Possible Migraine: Unilateral headache with pounding is frequently Migraine. Read about this, see if it fits. Primary care doctors are very familiar with this and can b... 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 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 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.
A 49-year-old male asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Possible: You don't give much detail, but I assume you're using it to help with your sleep. If it works good for you! White noise machines are very portable whi... 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
Enema/ Doctor: The most successful way to combat severe constipation is enemas. These may be repeated until bowels run clear. No harm will come from repeated tapwa... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 51-year-old male asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Sure: I don't think there is any absolute conversion, but this seems like a pretty reasonable change in medications. It may be that your doctor is trying to... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old male asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Ignore: Salt can help! Start eating potato chips again!!
Created for people with ongoing healthcare needs but benefits everyone.
A 45-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Get worked up: You are young for menopause and should have a metabolism that would easily manage 1400 Kcal without weight gain. I am worried about possible thyroid ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
See your doctor: I believe being gluten free can be a big help, but you are still having problems! As you have probably researched, pencil thin stool can reflect ab... 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
Probable withdrawal: Sorry you feel so terrible. Don't give up! There are plenty of good medications that can really CHANGE the feelings that you feel. Just remember they ... 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
Yes: A second opinion should be easy - you have rhe MRI, and it will put your mind at ease. I am not SURE what the 1st doctor thought this is, but if they... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 32-year-old male asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Tricky: I believe you think you have a disc disease at L4 and L5 interdisc spaces. This is very common. There are a variety of approaches which you could find... 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
Not definite, but...: Snapping fingers can be a nervous habit, and normal. Wearing an unneeded neck brace seems odd, possibly delusional. Truly hearing voices is an audi... 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
Drink: How do you know it is a stone, I assume you had an Xray. Someone should have told you to hydrate to the maximum. In the hospital we flood you with I... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 54-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Get checked: The most important thing you did not tell us is if you are thin. If you are thin its very possible that you feel the vascular structures of the abdome... 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
Likely normal: I am wondering why you're asking this question for your mother. If this was her pattern for many years it is likely normal. Many women experience hea... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 31-year-old male asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Try this: Dryness causes constipation, not the reverse. 2 things prevent constipation in the normal human, adequate fiber (fruits and grains) and adequate hydr... 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
Seek medical help: The most concerning part of your symptoms is your headache, but they are NOT easily explained by a common or benign cause. Please don't wait to see i... 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
Unclear : You seem to be describing an abscess or boil. This occuru with or without a trip to the barber shop. MRSA remains a possibility in the current clinica... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A male asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Sounds nutty: With a REAL vacuum? Overall your skin and lips are very resilient. You could use ice liberally on such an injury. Stick to humans for suckling face... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 16-year-old male asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Interesting: Based on your description of exposure, almost certainly not. HIV is a blood-borne disease and generally requires direct blood to blood contact. Saliva... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 65-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Maybe: I am not sure exactly what you had, but if you're walking now it went very well. You need to return to the doctors that treated you or other similar ... 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
Suggest you get seen: You are likely on the right track with ringworm by description... Still you don't want a rash on your face that won't go away! Take it to a doctor. ... 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
Likely no worries: Your normal blood pressure is the key. People may commonly be aware of their "heartbeat" in ears, head, neck, hands or abdomen- actaully the sensatio... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 39-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
See a doctor soon: I don't see any history of respiratory conditions such as asthma or pneumonia but symptom described sounds characteristic of asthma. If you're having ... 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
No...Second opinion: Not likely to be pancreatic cancer given the imaging you've had so far. There is a blood test you can get that you that might be reassuring. I suggest... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 29-year-old male asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Seek help now: If you think you have meningitis, particularly with associated rash, in the sky with the emergency room as soon as possible. I have seen this entity b... 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
Think it over-: There are many premade enema kits that are safe and effective. Perhaps you should try these if you are constipated. Miralax, (polyethylene glycol) na... 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
Hernia?: Seems likely to be an umbilical hernia. Usually these are benign. (Don't cause serious problems) Suggest you see a surgeon to evaluate, but seek a ... 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
Thyroid?: There are many possibilities. The thyroid can cause a similar symptoms in some patients when a hypoactive or malfunctioning. Also anemia, infection, m... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 63-year-old male asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Absolutely: This is a time honored remedy for constipation. Go ahead and stay healthy and regular!
Created for people with ongoing healthcare needs but benefits everyone.
A 19-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
See a doctor: When you say no chance of pregnancy I assume you have never had sex. Anyway there are a lot of possible explanation for your symptoms and you probably... 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
Very possible: Really need to show these to a doctor to be sure. Try over the counter Eczema creams...they might help. Avoid over-drying skin especially by washing
Created for people with ongoing healthcare needs but benefits everyone.
A 20-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Seek medical care: Sorry to hear you feel so sick. Get to a doctor as soon as possible, you may have migraines or a viral meningitis, but other more serious problems are... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 41-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
See a doctor?: Keep your hands dry and elevated. Consider strong cream such as Eucerin. Look for food or topical triggers. You may wrap your hands with clear plas... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 19-year-old male asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Possibly: As you may know the ESR is a indirect measure of inflammation. It is very vague. Elevation can certainly occur in the midst of any acute infection. Fo... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 27-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Need your doctor: Many antibiotics cause diarrhea, but the grave concern would be for an infection like c difficile- a toxin producing diarrhea. Your stool needs to be... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old male asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Ignore: Get adequate hydration and protein possibly together.
Created for people with ongoing healthcare needs but benefits everyone.
A 31-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Sure: Doctors usually consider their relationship with patients to be lifetime! Get back in and reestablish it.
Created for people with ongoing healthcare needs but benefits everyone.
A 19-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
See a provider: You must see a health care provider. I really need more information to comment, particularly how heavily you are bleeding, but put simply this is ju... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 18-year-old female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Get some support: I want say : good for you! You have recognized anorexia as UNhealthy! You have recognized that obsessing about anything is not healthy! Have you rea... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A female asked:
Dr. Matthew Cahill
Internal Medicine 27 years experience
Not normal: If you had palpitations WITHOUT lightheadedness, maybe watch and wait. You need an EKG right away to make sure there is nothing seriously wrong. You... 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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