Yes, many dogs empty their anal sacs during bowel movements, yet recurring scooting, swelling, or pain can mean the sacs aren’t draining well.
If you’ve ever caught a sudden “fishy” smell, seen scooting across the floor, or noticed your dog licking under the tail, you’re not alone. The question Can Dogs Express Their Own Glands? comes up because the signs feel odd, and the word “glands” sounds scary.
Here’s the calm truth: in many dogs, anal sacs empty on their own. In others, the sacs don’t drain well, and the backup can turn into irritation, infection, or an abscess. The goal is not to learn a gross party trick. The goal is to spot what’s normal, what’s a “call the vet” moment, and what you can do today to cut the chances of repeat flare-ups.
What Anal Sacs Are And Why Dogs Have Them
Anal sacs (often called anal glands) are two small pouches just inside the anus, one on each side. They hold a strong-smelling fluid that’s part of scent communication between dogs. When the sacs drain as intended, most people never think about them.
Drainage happens through tiny ducts that open near the anus. When the sacs empty, that fluid leaves the body. If the ducts clog, or the sacs don’t get squeezed the way they should, the fluid can thicken and sit there. That’s when you see scooting, licking, straining, or a sharp odor that seems to come out of nowhere.
Can Dogs Express Their Own Glands? What Normal Emptying Looks Like
In a typical dog, anal sacs empty during a bowel movement. Firm stool plus muscle pressure in the area can press the sacs and push out fluid. Some dogs also release a small amount during moments of fear or stress, which is why the smell can pop up during a thunderstorm or a vet visit.
“Normal” is not one exact pattern. One dog may never smell. Another may release a small amount once in a while and be fine. What matters is the whole picture: your dog’s comfort, stool quality, and whether the rear end looks calm and unbothered.
Signs That Suggest Natural Emptying Is Happening
- No scooting or only rare scooting that stops fast.
- No ongoing licking or chewing under the tail.
- No swelling, redness, or heat around the anus.
- Normal poops with no straining and no yelping.
- Odor is absent or shows up briefly, then disappears.
Why Some Dogs Don’t Drain Well
Anal sac trouble is often a mix of mechanics and irritation. If stool is soft, it may not press the sacs enough. If the ducts are inflamed, they can narrow. If the fluid thickens, it can plug the duct like paste.
Small dogs get mentioned a lot in clinic notes, and dogs with recurring skin itch can run into repeated sac irritation. Anal sac disease includes impaction (full sacs that won’t drain), inflammation or infection (sacculitis), abscess, and, less often, tumors. The MSD Veterinary Manual lays out these categories and common treatment paths. Anal sac disease in dogs and cats is a solid overview if you want the medical framing.
Common Clues Owners Notice At Home
Most people first notice one of three things: scooting, licking, or smell. Those clues can point to anal sacs, yet they can point to other problems too, like parasites, hair mats, poop stuck in fur, or skin irritation around the rear end.
So treat these clues like a starting point, not a diagnosis.
Scooting
Scooting means dragging the rear end on carpet or grass. A single quick scoot after a poop can be a one-off itch. Repeated scooting across several days is a different story.
Fishy Or Metallic Odor
Anal sac fluid has a sharp smell that can stick to fabric. If you smell it after your dog gets scared, it can still be normal emptying. If it’s showing up daily, that points to trouble draining.
Licking, Chewing, Or Not Wanting To Sit
If your dog keeps turning to lick the area, snaps when you touch the tail base, or hesitates to sit, pain is on the table. Pain shifts this from “watch and wait” to “get help.” VCA notes that expression and treatment can be painful and may call for sedation in some cases. Anal sac disease in dogs covers symptoms and treatment options in plain language.
When It’s Normal, When It’s Not, And What To Do Next
It helps to sort situations into buckets. The table below is meant to give you a quick read on what you’re seeing, why it may be happening, and what the next step looks like.
| What You See Or Smell | What It Often Means | What To Do |
|---|---|---|
| One brief scoot after pooping, then normal behavior | Minor irritation or a small release of fluid | Wipe the area with a damp cloth, watch for repeats over the next 48 hours |
| Fishy odor during fear, fireworks, or a vet trip | Stress-triggered sac release | Bathtub rinse of the rear end, wash bedding, no special care if your dog stays comfortable |
| Scooting more than once a day for 2+ days | Possible impaction, inflammation, or another itch source | Call your veterinarian for an exam; don’t assume it’s only glands |
| Constant licking under the tail | Discomfort; sacs, skin irritation, parasites, or stool stuck in fur | Check for mats or debris; book a vet visit if licking keeps going |
| Swelling next to the anus (one-sided lump) | Abscess risk, infection, or blocked duct | Same-day veterinary care; avoid squeezing at home |
| Blood, pus, or a ruptured sore near the anus | Abscess that opened or severe inflammation | Urgent vet care; keep the area clean and stop licking with a cone if you have one |
| Straining to poop, yelping, or a stiff “tucked tail” stance | Pain with defecation; sacs or rectal issues | Prompt vet visit; avoid home expression |
| Repeated anal sac trouble every few weeks | Ongoing triggers like stool softness, skin itch, or anatomy issues | Ask your vet about a long-term plan: stool goals, skin workup, follow-up schedule |
Should You Try Manual Expression At Home?
Some owners learn to express anal sacs. Some groomers do it too. Still, home expression is not a default move for most dogs. It can be messy, and it can hurt if there’s inflammation or infection. Repeated squeezing can irritate the ducts and make repeat issues more likely in dogs that already struggle.
A safer first step is an exam. A vet can confirm whether the sacs are full, infected, or fine. They can also rule out parasites, skin flare-ups, or a rectal problem. Cornell’s canine health notes describe treatment paths and when repeated expression or surgery enters the chat. Anal sac diseases is a helpful clinic-style summary.
If You Still Want To Learn, Use The Right Teacher
If your veterinarian says your dog is a good candidate for occasional at-home expression, learn the technique in person first. The angle, pressure, and “stop” points matter. The American Kennel Club’s step-by-step page can help you understand the basic idea, yet it should not replace hands-on instruction from a clinic. How to express dog anal glands at home lays out the basics and safety notes.
What A Vet Visit Usually Looks Like
Most appointments start with a short history: scooting frequency, stool changes, odor, licking, and any pain signals. Then the vet checks the skin, looks for fleas or irritation, checks for parasites when needed, and palpates the anal sacs.
If the sacs are impacted, the vet may express them and flush the sacs. If they suspect infection, they may prescribe antibiotics or anti-inflammatory meds. If an abscess is present, drainage and pain control can be needed. VCA notes that some cases require sedation because the area is tender and dogs can react even if they’re usually gentle.
If problems keep returning, the vet may talk about drivers like stool softness, skin itch, or body weight. In stubborn cases, surgery to remove the sacs can be discussed, along with risks like wound issues or fecal incontinence. That’s a bigger decision, yet it’s on the menu for dogs with repeated infections or ruptures.
Reducing Repeat Problems With Practical Habits
Most repeat anal sac trouble comes down to one of two themes: the sacs don’t get squeezed well during poops, or the ducts stay irritated. You can’t control every factor, yet you can shape the basics that often tip the odds in your dog’s favor.
Get Stool Firmness Into A Steady Zone
Anal sacs tend to drain better when stools are firm and well formed. If your dog gets loose stool often, talk with your vet about diet steps. Sudden diet swaps can upset a gut, so changes should be measured. If your dog has skin itch or food sensitivity signs, the vet may suggest a trial diet plan.
Keep The Rear End Clean And Hair Managed
Long fur can trap stool and irritate the skin around the anus. A tidy trim can cut down licking and reduce false alarms where scooting is about debris, not sacs.
Watch Body Weight And Activity
Extra body fat can change pressure and muscle tone around the rear end. Steady walks, play, and a weight plan from your veterinarian can help across the board, including bowel regularity.
Track Patterns Like A Detective
If anal sac issues pop up every time your dog has loose stool, after a new treat, or during a skin flare, write it down. A short log helps a vet connect dots fast, which can speed up the right fix.
At-Home Triage Checklist For The Next 72 Hours
This table is a quick plan for what to do right now, based on what you’re seeing. It’s not a diagnosis tool. It’s a way to keep your next step sane and focused.
| Situation | What You Can Do Today | When To Call A Vet |
|---|---|---|
| One-time odor, no scooting, normal mood | Rinse the rear end, wash bedding, keep routine steady | If odor returns daily or your dog starts licking |
| Scooting shows up on and off, stools are soft | Stop new treats, keep meals consistent, note stool changes | If scooting continues past 48 hours or pain shows up |
| Frequent licking under the tail | Check for stuck stool or mats, gently clean the area | If licking continues, or if the skin looks red or raw |
| Swelling near the anus | Keep your dog from licking, avoid squeezing the lump | Same day |
| Blood, pus, open sore, or strong pain reaction | Keep the area clean with warm water, prevent licking | Urgent care |
| Repeated flare-ups every few weeks | Start a symptom log: stool, diet changes, skin itch signs | Book a plan visit to review triggers and prevention |
Realistic Expectations For “Self-Expression” Over Time
Some dogs that struggle with anal sacs will swing back to normal once stool quality stabilizes and irritation settles. Others are prone to repeat impaction and need periodic expression by a clinic or groomer. A small group has recurrent infections that lead to deeper workups or surgery.
The win is not a perfect, forever fix. The win is fewer flare-ups, faster action when signs return, and no surprise abscess that ruins a weekend.
Red Flags That Deserve Prompt Care
If you take only one section from this page, take this one. Any of these signs is a reason to call a veterinary clinic soon:
- Swelling beside the anus, even if your dog still eats.
- Blood, pus, or a draining wound near the anus.
- Yelping, sudden snapping, or refusing to sit.
- Straining to poop or crying during bowel movements.
- Scooting that keeps going day after day.
Anal sac trouble can move from “annoying” to “infection” fast. Getting eyes on it early can spare your dog pain and spare you a bigger bill later.
References & Sources
- MSD Veterinary Manual.“Anal Sac Disease in Dogs and Cats.”Defines anal sac disease types and outlines common diagnosis and treatment approaches.
- VCA Animal Hospitals.“Anal Sac Disease in Dogs.”Lists typical symptoms and explains clinical treatment, including expression, flushing, and medication options.
- Cornell University College of Veterinary Medicine.“Anal Sac Diseases.”Describes impacts, abscess care, and prevention steps for dogs with recurring anal sac trouble.
- American Kennel Club (AKC).“How to Express Dog Anal Glands at Home.”Provides a safety-focused overview of at-home expression and when professional care is the safer choice.