Overgrown Dog Nails: Problems and How to Fix Them

Name: Overgrown Dog Nails: Problems and How to Fix Them
Creator: Dr. Zubair Khalid

By Dr. Zubair Khalid, DVM, MS, PhD · 2026-10-03

Do overgrown nails hurt dogs? Often, yes. Long nails push the toes up, change how your dog stands, and can make walking uncomfortable. Learning how to fix overgrown nails in dogs takes patience because the quick, the blood supply inside the nail, limits how much you can cut at once.

This article is educational and is not a substitute for veterinary diagnosis or treatment.

Quick Answer

Overgrown nails force the toes into an unnatural position and can affect how your dog's paw meets the ground, and they may cause pain or secondary problems over time [1].
The quick grows longer as the nail grows, so cutting a very long nail back to a short length in one session can cause bleeding and pain.
The safe approach is frequent, small trims every 1 to 2 weeks, taking off a little at a time so the quick can recede.
A dog with nails that click on hard floors or curve toward the paw pad needs a trimming plan started soon.
If you cannot see or reach the quick, or your dog panics, a veterinarian or groomer can shorten the nails safely and show you how to maintain them.

Why Overgrown Dog Nails Cause Problems

How long nails change the way a dog stands

A dog's nail should sit above the ground when the paw is flat. When the nail grows past the pad, it contacts the floor first and pushes the toe up. The dog then shifts weight back into the paw and up the leg to stay comfortable. Over months, this altered posture can strain the joints and soft tissues of the foot and leg.

One small study using a pressure-sensing treadmill found that trimming nails in healthy dogs did not significantly change major gait measures such as stride length or how long each paw stayed on the ground [2]. The same study did find that front paws were about 2 mm longer before trimming and that side-to-side center of pressure shifted slightly [2]. This suggests nail length affects local paw mechanics more than whole-body movement, at least in healthy dogs. The long-term joint effects of very long nails are not well established in veterinary research, and more work is needed.

The problems owners actually see

Common issues with dog nails that are too long include:

Nails that click or tap on hard floors when your dog walks.
Nails that curve sideways or downward toward the paw pad.
Reluctance to walk on slick surfaces or stairs.
Licking or chewing at the toes.
Nails catching on carpet, bedding, or crates and tearing.

A severely thickened, elongated, and curved nail is called onychogryphosis. It is most common in older adults and in those with poor personal care, and it can cause pain and secondary complications [1]. Dogs can develop a similar overgrowth pattern, and onychogryphosis has been listed among clinical signs in at least one canine disease report [3]. In most pets, though, the cause is simply too much time between trims.

Why the quick makes trimming hard

The quick is the living tissue inside the nail that contains blood vessels and nerves. As the nail grows longer, the quick grows longer with it. If you cut past the quick, the nail bleeds and hurts. This is why you cannot simply cut a very overgrown nail back to a normal length in one sitting. The nail has to be shortened gradually so the quick has time to recede.

How to Fix Overgrown Nails in Dogs: Step-by-Step

Step 1: Assess the nails before you cut

Look at each nail from the side and from underneath. Note which nails touch the floor, which curve toward the pad, and which look thick or discolored. Check for cracks, swelling at the base, or a broken nail. If a nail is broken, loose, or the toe is swollen, stop and have a veterinarian look at it. A broken nail can be painful and may need professional care.

Step 2: Gather the right tools

You need sharp trimmers sized for your dog. Guillotine-style trimmers work for small nails, and scissor or plier-style trimmers work better for medium and large dogs. Dull blades crush the nail instead of cutting it, which hurts. Keep styptic powder or a silver nitrate stick on hand for minor bleeding. Good lighting matters more than most owners expect. A bright lamp or a headlamp lets you see the pink or gray center of the nail, which is the quick.

Step 3: Take small amounts off the tip

Trim only the curved tip, a thin slice at a time. Stop when you see a small gray or pink oval appear in the center of the cut surface. That oval is the start of the quick. Stop there. If you are unsure, take less. You can always trim again in a few days, but you cannot put the nail back.

If your dog has white nails, the quick is usually visible as a pink line. Black nails hide the quick, so trim in thin slices and look at the cut surface after each one. For a detailed walkthrough of angles and positioning, see How To Cut Dog Nails.

Step 4: Repeat every 1 to 2 weeks

This is the part most owners miss. Trimming once and waiting two months undoes your progress. Frequent small trims keep pressure on the quick so it recedes. Over several weeks, you can usually take more length off each time. Some dogs need months of steady work before nails sit above the floor again.

Step 5: Use the two-person method if needed

One person can hold your dog steady and offer a smear of peanut butter or squeeze cheese on a lick mat. The other person trims. Keep sessions short, under five minutes, and end on a success. If your dog struggles hard, stop and try again tomorrow. Forcing a full trim on a frightened dog makes the next attempt harder.

Step 6: Consider a professional reset

If the nails are severely overgrown, a veterinarian or groomer can trim them back safely and may use a grinder to smooth the ends. Some clinics can shorten nails in stages over multiple visits. Ask your veterinarian how much can safely come off at each appointment.

Step 7: Add a grinder if your dog tolerates it

A rotary nail grinder removes small amounts of nail and lets you round off sharp edges. Many dogs accept a grinder better than clippers once they are used to the sound and vibration. Introduce it slowly, with the tool off at first, then running near the paw, then touching one nail.

A Trimming Schedule and Checklist

Timeframe	What to do	What to watch for
Week 1	Trim only the tips, one paw per session	Any bleeding, flinching, or pulling away
Week 2	Trim tips again, check which nails touch the floor	Nails still clicking on hard floors
Weeks 3 to 6	Trim every 1 to 2 weeks, take slightly more each time	Quick appears closer to the tip
Weeks 6 to 12	Continue the schedule, add grinder if tolerated	Nails sitting above the floor at rest
Ongoing	Trim every 2 to 4 weeks once nails are short	Any nail curving toward the pad

Use this checklist before every session:

Good light aimed at the nail.
Sharp trimmers that fit your dog's nail size.
Styptic powder within reach.
Treats ready before you start.
A calm, quiet space with no other pets crowding you.
A plan to stop after one or two paws if your dog is stressed.

Playing calm classical music during grooming may help. In one study of dogs during grooming sessions, classical piano music played at 75 dB was linked to significantly calmer behavior, especially in male dogs [4]. It is a simple, low-risk thing to try.

Signs Something Is Wrong

When long nails are more than a grooming issue

Contact your veterinarian if you see:

Swelling, redness, or discharge at the base of a nail.
A nail that is loose, cracked, or partially torn.
Limping that does not improve after a trim.
Constant licking or chewing at one toe.
A nail curling into the paw pad.
Bleeding that does not stop with pressure and styptic powder.

Nail bed infections can develop when a nail is damaged or when debris and moisture get trapped around a long nail. Signs include pain, swelling, and a bad smell. For more on this, see Dog Nail Infection: Signs, Causes, and Treatment.

When a nail breaks

A torn nail is painful and can bleed heavily. If the broken piece is still attached, do not pull it off. Wrap the paw in a clean cloth and apply gentle pressure. Call your veterinarian. For step-by-step guidance, see Dog Broken Nail: What Should You Do?.

Common Mistakes Owners Make

Cutting too much at once. This hits the quick, causes bleeding, and makes your dog afraid of the clippers.
Waiting too long between trims. Nails grow back to their old length, and the quick re-lengthens with them.
Using dull trimmers. Dull blades crush and split the nail.
Skipping the dewclaws. These nails sit on the inner side of the leg and never touch the ground, so they can grow in a full circle into the skin.
Trimming only the front paws. Back nails also overgrow and change how your dog pushes off the ground.
Ignoring pain signals. If your dog yelps, pulls away, or hides when the clippers come out, the problem is usually previous pain, not stubbornness.
Assuming a trim will fix limping. If your dog limps after nails are shortened, the cause may be elsewhere and needs a veterinary exam.

Supplies and Setup That Matter

Clippers and grinders

Match the tool to the nail. Small dogs need small blades. Large dogs need a wider cutting surface so you can trim in one clean motion. Replace blades or trimmers when they start to crush instead of cut. A grinder with a fine grit band works well for smoothing and for taking off small amounts.

Styptic products

Styptic powder or a silver nitrate stick stops minor bleeding from a quick that was nicked. Press it against the tip for several seconds. If bleeding continues after a few minutes of pressure, call your veterinarian.

Lighting and positioning

Trim in a room with a bright overhead light plus a lamp aimed at the paw. Place your dog on a non-slip surface. If your dog is small, set them on a table at waist height so you are not bending over. If your dog is large, kneel beside them and lift one paw at a time.

Handling and restraint

Use a gentle, stable hold. Support the leg under the elbow or knee so your dog cannot pull the limb away. Never squeeze the toes hard. If you need a second person, have them hold the body, not the paw, so you have full control of the nail.

Nail length checks

Once nails are short, check them monthly. Stand your dog on a hard floor and look at the paw from the side. If you hear clicking, the nails need attention. If the nail tips sit above the floor, you are in good shape.

Limitations and When to Contact a Veterinarian

This article gives general guidance. Every dog's nails, quick length, and tolerance are different, and individual cases need a veterinarian who can examine your dog.

Call your veterinarian the same day if:

A nail is torn, partially avulsed, or bleeding heavily.
The toe is swollen, hot, or has discharge.
Your dog is limping and will not bear weight on the leg.
You see a nail growing into the paw pad.

Go to an emergency clinic now if:

Bleeding will not stop after several minutes of firm pressure.
Your dog is in severe pain, crying, or cannot stand.
You see signs of shock such as pale gums, weakness, or collapse.

Schedule a routine visit if:

You cannot safely trim your dog's nails at home.
Nails are severely overgrown and you need a staged plan.
Your dog has repeated nail problems or infections.
Your dog has an underlying condition that affects nail growth.

Your veterinarian can calculate any needed medication dose based on your dog's weight and health. Do not give human pain relievers to your dog without veterinary guidance, since some are toxic to dogs.

Frequently Asked Questions

Do overgrown nails hurt dogs?

They often do. A long nail pushes the toe up and changes how the paw contacts the ground, which can cause discomfort and lead to secondary problems over time [1]. Some dogs show obvious signs like limping or licking, while others simply adapt and hide the discomfort.

How often should I trim my dog's nails?

Once nails are at a healthy length, most dogs need a trim every 2 to 4 weeks. If nails are overgrown, trim small amounts every 1 to 2 weeks so the quick can recede gradually. Your veterinarian can set a schedule based on your dog's nail growth rate.

Can I cut the whole overgrown nail off at once?

No. The quick grows longer as the nail grows, so cutting a long nail back to a short length in one pass will hit the quick and cause bleeding and pain. Take off thin slices over multiple sessions instead.

What if I cut the quick?

Apply styptic powder or a silver nitrate stick and press firmly for several seconds. If bleeding continues after a few minutes, call your veterinarian. Give your dog a break from trimming for a few days, then resume with smaller slices.

Can long nails cause arthritis in dogs?

The link between nail length and arthritis is not well established in veterinary research. One study found no significant change in major gait measures after trimming in healthy dogs, though local paw mechanics did shift slightly [2]. Long nails can still cause pain and change posture, so keeping them short is a reasonable part of paw care.

References

Onychogryphosis: Case Report and Review of the Literature. Skin appendage disorders, 2018.
Trimming of nails in healthy dogs does not change gait parameters when comparing pre- and post-nail trim. Frontiers in veterinary science, 2026.
Clinical Significance of ROMs, OXY, SHp and HMGB-1 in Canine Leishmaniosis. Animals : an open access journal from MDPI, 2021.
Classical cuts: a pilot study of classical music's effects on dogs in grooming settings. Animal cognition, 2025.