Quick safety note
This guide is educational. It does not diagnose nail fungus or replace medical advice. Ask a qualified healthcare professional before starting a home routine if you have diabetes, poor circulation, thyroid disease, iodine allergy, immune suppression, pregnancy, breastfeeding, open skin, ulcers, or a painful nail.
How to take useful photos
- Use the same room and lighting each time.
- Photograph the nail from above and from the front edge.
- Include the cuticle and the nail tip so growth can be compared.
- Take photos before trimming if you want to measure old nail moving forward.
What to look for monthly
- Clearer new nail at the base.
- Less crumbly debris under the free edge.
- A yellow section gradually moving toward the tip.
- Reduced lifting or thickening, if the nail was partly detached.
What photos cannot prove
- Photos cannot confirm that the organism is fungus.
- They cannot show whether spores remain in shoes or surrounding skin.
- They can make staining look like worsening if iodine color is not considered.
When a photo should trigger medical care
- Dark streaks that widen.
- Bleeding, pain, or swelling.
- A nail that separates suddenly after injury.
- Any foot wound in a person with diabetes.
Common questions
How often should I take photos?
Once a month is usually enough. Weekly photos can feel discouraging because toenails grow slowly.
Should I remove iodine stain before photos?
Use the same routine each time. If you photograph immediately after application one month, do the same the next month.