Chad Shaffer, MD

Medical Writer and Reviewer Member of the SingleCare Medical Board

Chad Shaffer, MD, earned his medical doctorate from Penn State University and completed a combined Internal Medicine and Pediatrics residency at the University of Pittsburgh Medical Center and Children’s Hospital of Pittsburgh. He is board certified by the American Board of Internal Medicine and the American Board of Pediatrics. He has provided full-service primary care to all ages for over 15 years, building a practice from start up to over 3,000 patients. His passion is educating patients on their health and treatment, so they can make well-informed decisions.

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Articles

A women pulling her arm across her chest: Right shoulder blade pain causes

Health Education

What causes right shoulder blade pain? Related conditions and tr...

Pain in the right shoulder blade can be especially debilitating if you’re right-handed, but it may clear up on its own, depending on the cause

Rx prescription pad and Rx pill bottle: Metformin interactions

Metformin interactions to avoid

When certain drugs are taken with metformin, blood sugar levels may potentially drop too low into the hypoglycemic range

feet in tennis shoes - numbness in toes

Health Education

Why are my toes numb?

There are many possible reasons your toes could have this sensation, including wearing the wrong shoes

Updated on Jan. 9, 2025

Rx pill bottle with eye illustration: What is blepharitis?

Health Education

What is blepharitis?

Blepharitis is treatable and normally not a cause for concern, but proper eye hygiene is key

Box of tissues and nasal spray for allergies

Best allergy nasal sprays

Nasal sprays can alleviate classic allergy symptoms like sneezing, runny nose, and congestion, but they’re not all the same

Smiling mouth - antibiotics for tooth infection

Best Rx for tooth infections

This is what doctors recommend for as a first-line treatment

Free weight, grapefruit | What is Type 3 Diabetes

Health Education

What is Type 3 diabetes?

Researchers are exploring the connection between insulin resistance and brain dysfunction

Three Rx pill bottles: Imodium interactions

Health Education

Imodium interactions to avoid

Taking multiple medications that prolong the QT interval while using Imodium can compound the risk of sudden cardiac death

Three Rx pill bottles: Amoxicillin-potassium clavulanate interactions to avoid

Amoxicillin-potassium clavulanate interactions to avoid

Amoxicillin-potassium clavulanate interacts with certain birth control, warfarin, methotrexate, tetracycline antibiotics, and antigout agents

Tea, honey, and pills - 10 dry cough remedies

Health Education

10 dry cough remedies

There are many ways to treat a dry cough at home, including eating a spoonful of honey and using a humidifier

Rx pill bottle with prescription pad: Cephalexin interactions

Cephalexin interactions to avoid

Knowing which medications interact with cephalexin can help avoid adverse reactions

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