Most common diagnoses

This article covers all the diagnoses that have occured more than once on House M.D.

Cancer (16 times)

• Lucy Palmeiro - The Socratic Method - Liver Cancer - Treated
• Naomi Randolph - Babies & Bathwater - Small Cell Lung Carcinoma - Terminal
• Alex - Skin Deep - Testicular Cancer - Treated
• Kara Mason - Forever - Stomach Cancer secondary to Celiac disease - Patient refused treatment
• George - Que Será Será - Small Cell Lung Carcinoma - Terminal
• Abigail Ralphean - Merry Little Christmas - Langerhans cell histiocytosis - Treated
• Maggie - It's a Wonderful Lie - Breast Cancer - Treated
• Apple - Not Cancer - Stem Cell Cancer - Treated
• Morgan West - Here Kitty - Appendix Cancer - Treated
• Tucker - Wilson - Acute Lymphoblastic leukemia - Treated
• Daryl - Moving the Chains - Melanoma - Treated
• Abbey's baby and Abbey - Unplanned Parenthood - Melanoma and Lung Cancer - One treated, one fatal
• Last Temptation - Kendall Pearson - Lymphosarcoma - Treated
• Dead & Buried - Iris - Choriocarcinoma - Treated
• Nobody's Fault - Bill Koppelman - Lymph node tumor - Treated
• The C Word - Emily Lawson - Atrial myxoma - Treated

The Mistake is not included because the cancer was secondary to the treatment for the underlying condition.

Heavy Metal Poisoning (5 times)

• Hank Wiggen - Sports Medicine - Cadmium - Treated
• Bob Palko - Clueless - Gold - Treated, but with serious complications
• John - Whatever It Takes - Selenium - Treated
• Nozick - The Itch - Lead - Treated
• Arlene Cuddy - Family Practice - Cobalt - Treated

Porphyria (4 times)

• Mark Warner - Honeymoon - Acute Intermittent Porphyria - Treated
• Alice Hartman - Finding Judas - Erythropoietic Protoporphyria - Treated
• Emmy - Let Them Eat Cake - Hereditary coproporphyria - Treated
• Driscoll and Mark - Carrot or Stick - Variegate porphyria - Treated

Sepsis (3 times)

• Penelope - Under My Skin - Complication of Gonorrhea - Treated

• Kayla - The Mistake - Complicated by Gastric ulcer - Terminal

• Lupe - House Training - Complication of Staphylococcus - Terminal

Hemochromatosis (3 times)

• Leona - Who's Your Daddy? - Complicated by Zygomycosis - Treated
• Nate - The Jerk - Treated
• Jordan - Known Unknowns - Complicated by vibrio vulnificus - Treated

Severe allergic reaction (3 times)

• Sister Mary Augustine - Damned If You Do - Copper - Treated
• Evan Greer - Living The Dream - Quinine - Treated
• Sidney Merrick - Baggage - Tattoo ink - Treated

Vitamin K Deficiency (2 times)

• Lucy Palmeiro - The Socratic Method - Treated
• Kara Mason - Forever - Secondary to Celiac disease - Patient refused treatment

Arterio-venous malformation (2 times)

• John Henry Giles - DNR - Treated
• John Kelley - Top Secret - Secondary to Hereditary hemorrhagic telangiectasia - Treated

Leprosy (2 times)

• Gabe Reillich - Cursed - Treated
• Lou - Dying Changes Everything - Lepramatous Leprosy - Treated

Thrombotic thrombocytopenic purpura (2 times)

• Mary Carroll - Kids - Complication of pregnancy - Treated
• James Sidas - Ignorance is Bliss - Complication of drug abuse - Treated

Strongyloides (2 times)

• Thomas Stark - 97 Seconds - Terminal
• Hank Hardwick - Teamwork - Secondary to Crohn's Disease - Treated

Wilson's disease (2 times)

• Lucy Palmeiro - The Socratic Method - Treated
• Valerie - Remorse - Treated, but patient will require liver transplant

Celiac Disease (2 times)

• Kara Mason - Forever - Complicated by stomach cancer - Refused treatment
• Joe - Man of the House - Secondary to polyglandular autoimmune syndrome type III - Treated

Myasthenia Gravas (2 times)

• Jeff Forster - Spin - Secondary to Thymoma - Treated
• Joe Reese - Man of the House - Secondary to polyglandular autoimmune syndrome type III - Treated

Patent Ductus Arteriosus (2 times)

• Sarah - Big Baby - Treated
• Lue - Body and Soul - Treated