📋 At a Glance
First actionCall your veterinarian immediately — before anything else
Surgical emergency rateApproximately 10–15% of colic cases require surgery — the signs that indicate surgical need can change within hours
Vital signs to reportHeart rate (normal 28–44 bpm), gum color (normal: pink and moist), gut sounds (all 4 quadrants), last manure passage
Immediate removalRemove all feed access immediately; water generally remains available unless vet instructs otherwise
Do NOTAdminister Banamine or any medication without specific veterinary instruction for this episode
Trailer readinessHave a trailer available and accessible — surgical referral can happen at any hour
Time sensitivityOutcomes improve significantly with early intervention — do not wait to see if it resolves on its own
🚨 Call Your Vet NOW — These Signs Cannot Wait
- Violent, uncontrollable rolling or throwing the body to the ground repeatedly
- Heart rate above 60 beats per minute at rest — a serious indicator of pain or cardiovascular compromise
- Gum color that is pale, white, gray, dark brick red, or purple — abnormal color indicates circulatory compromise
- Complete absence of gut sounds in all four quadrants of the abdomen
- Visible abdominal distension — the belly appears bloated or asymmetric
- Profuse sweating without any physical exertion
- Any colic signs that persist beyond 30 minutes without improvement
- A horse that was colicking, seemed to improve briefly, then worsened — this pattern can indicate intestinal rupture
Before the Call — Know Your Horse's Normals
The most important preparation for a colic emergency happens long before any emergency occurs: knowing your horse's individual normal vital signs. The ranges listed below are population averages — your horse may have a resting heart rate consistently at 36 bpm or consistently at 42 bpm. Knowing their specific normal makes a deviation immediately recognizable.
Take your horse's vital signs during a calm, healthy moment and write them in a location accessible during an emergency (barn bulletin board, phone note, in the halter bag). The 2 minutes it takes to do this now could be the difference between recognizing an early problem and missing it.
| Vital Sign | Normal Range | How to Measure | Abnormal Colic Sign |
|---|---|---|---|
| Heart rate | 28–44 bpm at rest | Stethoscope behind left elbow; or digital artery at medial fetlock — count 15 sec × 4 | Above 60 bpm: serious. Above 80 bpm: critical |
| Gum color | Salmon pink to pink; moist | Lift the upper lip and examine the mucous membrane | Pale, white, gray, brick red, purple — all abnormal |
| Capillary refill time | < 2 seconds | Press firm on gum with thumb for 2 seconds; release; count seconds to return to pink | 3+ seconds: circulatory compromise |
| Gut sounds | Active gurgles, splashes in all 4 quadrants | Stethoscope to each of 4 locations: upper and lower left flank, upper and lower right flank | Absent in 1–4 quadrants: concern; absent all 4: serious |
| Respiratory rate | 8–16 breaths/min at rest | Count flank movements for 30 seconds × 2 | Elevated RR indicates pain or metabolic compromise |
| Manure | Horse should defecate 8–12 times/day | Track passage since last observation | No manure in 8+ hours or very dry, small piles: concern |
The Call — What Your Vet Needs to Know
When you call your veterinarian about a colic, the information you provide in the first 60 seconds determines how they triage the call, what they bring, and how fast they come. Have these answers ready before you dial — it is worth taking 2 minutes to check vitals before calling rather than calling with no information.
| Information | Why the Vet Needs It | Collect Before Calling |
|---|---|---|
| Heart rate | Most reliable single indicator of pain severity and cardiovascular status | Count now: 15 sec × 4 |
| Gum color and CRT | Indicates circulatory compromise | Lift lip and check now |
| Gut sounds | Absent sounds suggest ileus or displacement | Listen to all 4 quadrants now |
| Last manure — when and what | Absence or change suggests obstruction; diarrhea suggests enteritis | When did you last see manure? What did it look like? |
| Duration of signs | How long the episode has been going | When did you first notice something wrong? |
| Diet/management changes | Grain overload, new hay, pasture access, stress | Any changes in last 48–72 hours? |
| What the horse is doing | Helps vet assess severity over phone | Is the horse rolling? Standing? Pawing? Quiet? |
| Prior colic history | Horses with prior surgical colic have higher recurrence risk | Any prior episodes? Any prior surgery? |
Severity Assessment — Medical vs. Surgical Colic
Your veterinarian assesses colic severity through examination and determines whether the case can be managed medically (nasogastric tube, fluids, analgesics) or requires surgical referral. Understanding the factors that suggest surgical need helps owners appreciate why certain signs require urgency.
| Sign / Finding | Medical Colic Indicator | Surgical Colic Indicator |
|---|---|---|
| Pain level | Mild to moderate; responds to analgesics | Severe, uncontrollable; persists despite medication |
| Heart rate | < 60 bpm | 60–80+ bpm; worsening over time |
| Gum color | Normal pink | Pale, gray, brick red, or toxic line |
| Gut sounds | Present in some quadrants | Absent in all 4 quadrants |
| Gastric reflux (vet finding) | Absent or minimal | Large volume reflux: small intestinal obstruction likely |
| Rectal palpation (vet finding) | Normal findings or identifiable impaction | Distended loops of small intestine; tight band across the colon; absent colon |
| Response to treatment | Improves within 30–60 min of medication | Minimal or no improvement; pain returns rapidly |
| Duration | < 4–6 hours | Prolonged or worsening despite treatment |
| Abdominal distension | None or mild | Progressive; visible from across stall |
What To Do While Waiting — and What Not To Do
Your veterinarian will give specific instructions for your horse's situation. The following represents general educational guidance — always follow your vet's directions over any general resource.
DO — General Educational Guidance
- Remove all feed. Hay, grain, and any feed bucket access should be removed immediately.
- Allow water unless your vet specifically instructs otherwise.
- Keep the horse in a safe environment — deeply bedded stall or a safe paddock where rolling injury risk is minimized.
- Monitor continuously. Note changes in heart rate, gum color, gut sounds, and behavior every 15–20 minutes and report to your vet.
- Prepare your trailer. Hook up and have it accessible; surgical referral can be advised at any point.
- Stay calm. Your stress communicates to the horse and increases their agitation.
DO NOT — Common Mistakes That Worsen Outcomes
- Do not administer Banamine (flunixin meglumine) without specific veterinary instruction for this episode. Masking pain with analgesics can delay recognition of a worsening or surgical situation; dosing errors cause right dorsal colitis.
- Do not walk the horse for extended periods without vet guidance — walking is appropriate for mild spasmodic colic but contraindicated for certain displacement and torsion types where walking can worsen the position.
- Do not give mineral oil by mouth — aspiration pneumonia risk; let your vet administer via nasogastric tube if indicated.
- Do not attempt to prevent rolling — a horse in severe pain cannot be safely restrained from rolling, and you will be injured; focus on reducing injury risk from the environment instead.
- Do not wait 2–3 hours to see if it improves before calling your vet — call first, always.
If Surgical Referral Is Advised
When your veterinarian recommends referral to an equine surgical facility, time is the critical factor. Large colon volvulus (torsion) survival rates decline measurably with each hour between onset and surgical intervention. Small intestinal strangulation can produce irreversible intestinal necrosis within 4–6 hours of blood supply compromise.
Know the location and drive time to your nearest equine surgical facility before any emergency — not during one. Call the hospital immediately when your vet advises referral; they will prepare the surgery team while you are in transit. Your vet will communicate with the hospital about your horse's status.
| Colic Type | Time Sensitivity | Surgical Window Notes |
|---|---|---|
| Large colon volvulus (torsion) | Highest — hours matter | Survival rates decline significantly >4 hours from onset; >6–8 hrs survival very poor |
| Small intestinal volvulus/strangulation | Highest | Intestinal necrosis begins within hours; resection length and viability determine survival |
| Nephrosplenic entrapment (left dorsal displacement) | Moderate — can try medical/rolling first | Some resolve with jogging, Buscopan, or controlled rolling under anesthesia before surgery |
| Right dorsal displacement | Moderate | May attempt medical management; surgery if not responding |
| Large colon impaction | Lower — usually medical | Surgery rarely needed but indicated if medical management fails after 24–48 hrs |
| Cecal impaction | Moderate to high | Can deteriorate rapidly; lower threshold for surgery than large colon impaction |
Colic Prevention — The Best Emergency Is the One That Doesn't Happen
No management program eliminates colic risk entirely, but the evidence-based practices below consistently reduce incidence. These are practical management strategies to discuss with your veterinarian at your next wellness visit.
Evidence-Based Colic Risk Reduction
- Provide continuous or near-continuous forage access — long periods without forage disrupt hindgut motility and microbial balance
- Ensure consistent fresh water at all times — dehydration is the primary driver of impaction colic; in cold weather, heated tanks encourage adequate intake
- Make all dietary changes gradually — minimum 7–14 days for any feed type or quantity transition
- Feed off the ground in sandy areas (Arizona) — mats or raised feeders prevent sand accumulation in the large colon
- Maintain regular exercise and turnout — consistent activity supports normal gut motility
- Strategic deworming based on fecal egg counts — parasite burden affects gut health and motility
- Regular dental care — adequate chewing is the first step of healthy digestion
- Minimize stress events — transportation, competition, and social disruption increase colic risk
First Aid Kit for Colic Emergencies
Having the right items immediately accessible during a colic episode reduces the time spent searching and improves the quality of information you can give your veterinarian.
What to Have Ready
- Stethoscope — for listening to gut sounds and measuring heart rate
- Digital thermometer — for measuring rectal temperature if vet requests
- Watch or phone timer — for timing vital sign measurements
- Clean flashlight or headlamp — for examining gum color in a dark stall
- Your veterinarian's emergency contact number — saved in your phone AND posted in the barn
- Nearest equine surgical hospital address and phone number — posted in the barn
- A notepad or phone notes — to record vitals, timing, and changes to report to the vet
- Trailer hooked up or hookup materials readily accessible
✅ Colic Emergency Checklist — In Order
- Step 1: Check the basics immediately. Heart rate, gum color, gut sounds in all 4 quadrants, last manure. 2 minutes — do it before calling.
- Step 2: Call your veterinarian. Report what you found. Describe what the horse is doing. Have duration, diet history, and prior episode history ready.
- Step 3: Remove all feed. Every hay flake, every bucket. Water stays unless your vet says otherwise.
- Step 4: Secure the horse safely. A deeply bedded stall or a safe enclosed paddock reduces rolling injury. Remove hazards.
- Step 5: Monitor continuously. Recheck vitals every 15–20 minutes. Write down the numbers and times. Report changes when your vet calls back.
- Step 6: Hook up your trailer. Do this while monitoring. If your vet advises referral, every minute of preparation time already spent helps.
- Step 7: Follow your vet's instructions exactly. If they tell you to walk, walk. If they tell you to keep the horse still, keep it still. Their guidance supersedes this guide.
📋 Pre-Emergency Preparation — Do This Today
- Save your vet's emergency line in your phone AND post it in the barn — multiple locations, multiple people
- Know your nearest equine surgical facility and drive time — the time to find this out is not at 2am during a colic
- Take your horse's resting vital signs during health — post them in the stall or barn aisle
- Have a stethoscope in your first aid kit and know how to use it — practice during calm moments
- Keep your trailer in working condition and accessible — electrical, tires, lights, floor — check annually
- Discuss Banamine protocols with your vet at the next wellness visit — get clear instructions for your specific horse before an emergency requires a decision
Questions to Ask Your Veterinarian
- What are this horse's individual risk factors for colic, and what management changes would you recommend?
- Given that this episode occurred, what does the exam tell you about the type and cause?
- Under what specific circumstances should I give Banamine before calling you, and at what dose?
- At what point during a colic episode should I skip monitoring and go directly to the referral hospital?
- What is the nearest equine surgical facility you work with, and what is the appropriate protocol for referral?
- Are there any post-colic management changes you recommend based on what we found today?
🚨 Colic Prevention
Healthy Parasite Control — A Colic Prevention Factor
Monty Roberts University / AERC
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