Skin Biopsy: The Questions Patients Actually Ask — Answered by Physicians
Skin Biopsy generates some of the most repetitive phone calls in any dermatology practice: wound care, when results come back, and what the scar will look like. PrepQ, a patient-education platform built by physicians and operated by PrepQ LLC, maintains 16 physician-written answers about skin biopsy as part of a library of more than 7,500 answers covering 700-plus procedures across 14 specialties. Practices that subscribe to PrepQ give their patients a dedicated phone number to text or call at any hour, and the platform replies instantly with content the practice's own clinicians have reviewed and approved in advance. Questions outside the approved library are referred back to the office, and any message that suggests urgent symptoms is directed to 911 or the practice instead of being answered by software. The result: patients arrive prepared, day-of cancellations drop, and staff stop repeating the same skin biopsy instructions dozens of times a week.
Real skin biopsy questions from our physician-reviewed library
A sample of the 16 skin biopsy answers in PrepQ's library. Before any practice goes live, its own clinicians review and approve every answer — and can customize each one to their protocols.
Can I shower, exercise, or swim after a skin biopsy?
Activity guidance depends on the biopsy type, location, and how it was closed, so the best source is the instructions from your dermatology office. In general, many people are told to keep the site clean and dry at first and to ease back into swimming or hard exercise once it's healing well. Your care team can tell you the right timing for your site.
Do I need to stop my blood thinners before a skin biopsy?
This is an important question to bring to the prescriber or dermatologist who manages your medicines, since the decision depends on you and your health. Please never stop a blood thinner on your own. For many small skin procedures blood thinners are often continued, but your dermatology office will give you guidance that's right for you.
Does a skin biopsy hurt?
Most people feel only a quick sting or pinch when the numbing medicine goes in, and after that the area is numb so the biopsy itself usually isn't painful. You may feel some pressure or tugging, which is normal. If you have concerns about discomfort, it's a good idea to share them with your dermatology office beforehand.
How do I care for the wound after a skin biopsy?
Gentle, steady wound care helps healing. In general it's best to keep the area clean and covered and to follow the specific instructions your dermatology office gives you, since the right care can vary by biopsy type. If anything is unclear, your dermatology team is happy to walk you through it.
How long do biopsy results take to come back?
Results commonly take about one to two weeks, though the exact timing can vary depending on the lab and the type of testing. Your dermatology office can give you a better estimate for your biopsy and will let you know how you'll hear back. If you haven't heard by the expected time, it's fine to call and check.
How much soreness or bleeding is normal after a biopsy?
A little soreness, minor oozing, or light spotting in the first day or two is common as the area settles. Most people find any tenderness is mild and eases over a few days. If bleeding, pain, or other symptoms seem heavier than expected or aren't improving, it's best to reach out to your dermatology office for guidance.
Is a scab or a dent at the biopsy site normal while it heals?
Yes, a scab is a normal part of healing, and a slight dent or indentation at the site is also common, especially after a deeper biopsy. Many of these even out over the following weeks to months as the skin repairs itself. If you have concerns about how the site looks, your dermatologist can take a look.
My biopsy came back abnormal — what happens next?
An abnormal result simply means the sample showed changes the lab wanted to flag, and it doesn't tell the whole story on its own. The good news is your dermatologist will review the findings with you and explain the next steps, which may include treatment or further care. It's best to follow up with them so they can guide you based on your specific results.
My biopsy site is bleeding and won't stop — what do I do?
Some light spotting can be normal, but bleeding that won't stop needs attention. In general, gentle steady pressure over the site for several minutes can help. If the bleeding continues despite this, contact your dermatology office right away, and if it feels heavy or you feel faint, emergency care may be needed.
My biopsy site is red, swollen, warm, and oozing — what should I do?
Redness, swelling, warmth, and oozing together can sometimes be a sign of infection. It's best to contact your dermatology office right away so they can take a look and advise you on what to do next. If symptoms feel severe or are quickly getting worse, emergency care may be needed.
Your staff answers these 16 questions by phone. PrepQ answers them by text, instantly.
PrepQ gives your dermatology practice a dedicated number patients text or call 24/7. Physician-written answers, approved by your doctors, delivered in English and Spanish — with urgent messages escalated to your office or 911, never improvised. HIPAA-compliant, BAA provided, no EHR integration required.