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What could be the cause of pain in my armpit?

ANSWER

Pain in your armpit could mean that you've simply strained a muscle, which is eased with ice and rest. It could also be a sign of more serious conditions like an infection, lymphoma, or breast cancer.

SOURCES:

American Cancer Society: “Breast Cancer Symptoms: What You Need to Know,” “What Is Breast Cancer?” “Mastectomy,” “Breast-conserving Surgery (Lumpectomy),” “Radiation for Breast Cancer,” “Treatment of Breast Cancer Stages I-III,” “Hormone Therapy for Breast Cancer.”

National Cancer Institute: “NCI Dictionary of Cancer Terms: Lymph Nodes.”

Mayo Clinic: “Swollen Lymph Nodes,” “Muscle Strains.”

CDC: “Epstein-Barr Virus and Infectious Mononucleosis.”

KidsHealth: “Measles.”

PubMed Central: “A practical approach to imaging the axilla.”

Harvard Health Publishing: “Muscle Strain.”

Johns Hopkins Medicine: “What is Pain/Types of Pain Treated?”

Reviewed by Jennifer Robinson on September 19, 2019

SOURCES:

American Cancer Society: “Breast Cancer Symptoms: What You Need to Know,” “What Is Breast Cancer?” “Mastectomy,” “Breast-conserving Surgery (Lumpectomy),” “Radiation for Breast Cancer,” “Treatment of Breast Cancer Stages I-III,” “Hormone Therapy for Breast Cancer.”

National Cancer Institute: “NCI Dictionary of Cancer Terms: Lymph Nodes.”

Mayo Clinic: “Swollen Lymph Nodes,” “Muscle Strains.”

CDC: “Epstein-Barr Virus and Infectious Mononucleosis.”

KidsHealth: “Measles.”

PubMed Central: “A practical approach to imaging the axilla.”

Harvard Health Publishing: “Muscle Strain.”

Johns Hopkins Medicine: “What is Pain/Types of Pain Treated?”

Reviewed by Jennifer Robinson on September 19, 2019

NEXT QUESTION:

If I have breast cancer, what could cause pain in my armpit?

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