Those horizontal cracks in the fingernails are likely what's known as Beau's lines — a common side effect of chemotherapy and certain treatments like Revlimid (lenalidomide). They appear as dent-like ridges running across the nail and happen when nail growth gets disrupted during treatment.
The good news is that they Show Full Answer
Those horizontal cracks in the fingernails are likely what's known as Beau's lines — a common side effect of chemotherapy and certain treatments like Revlimid (lenalidomide). They appear as dent-like ridges running across the nail and happen when nail growth gets disrupted during treatment.
The good news is that they typically show up a few weeks *after* treatment, which lines up perfectly with what's being experienced now. Here's what to know about Beau's lines:
- They are generally harmless and not painful
- They tend to grow out on their own over time
- There's no specific treatment needed for them
- Once the treatment that caused them is finished, they're unlikely to come back
Since the 6-month protocol has now been completed, the nails should gradually return to normal as they grow out.
That said, it's always worth mentioning any new physical changes to the care team, just to rule out anything else and get personalized guidance.
August 26
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