Everyone Healthy Library
Green Nails
Sign or symptom reference page from the Everyone Healthy database.
! Seek urgent medical care if warning signs appear
A symptom can have many possible causes. Some symptoms need urgent assessment, especially when they are severe, sudden or rapidly worsening.
Get urgent medical care now if there is any severe, sudden, rapidly worsening or worrying symptom, especially:
- chest pain, pressure or pain spreading to the arm, jaw or back
- trouble breathing, blue lips, severe wheeze or choking
- stroke-like symptoms such as face drooping, arm weakness or speech trouble
- collapse, fainting, seizure, confusion or extreme drowsiness
- severe bleeding, black stools, vomiting blood or major injury
- severe allergic reaction, swelling of the face/throat or widespread rash with breathing trouble
- severe abdominal pain, severe headache, stiff neck or sudden vision change
- signs of severe dehydration, sepsis, high fever with worsening illness, or symptoms in a baby/young child that concern you
Full information
Green Nails
Fingernails which appear green in colour are typically caused by bacterial infections (Pseudomonas bacteria), onycholysis, unclean nail care equipment, and the use of artificial nails.
Symptom classification
Body areaArms
Body areaFingernails
Body areaHands
Conditions linked to this sign/symptom
2Drugs where this is listed as a side effect
0No drug side-effect links are listed yet.