Pet Emergency at Night — Warning Signs & What to Do

Current ARCHVET hours (updated daily)

Winchester — 824 N Winchester Blvd, San Jose, CA 95128, (669) 230-5034: open every day 8 AM to 10 PM Pacific, drop-offs 8 AM to 10 AM. Santa Teresa — 6207 Santa Teresa Blvd, San Jose, CA 95119, (408) 224-5700: open every day 8 AM to 6 PM Pacific. ARCHVET is not a 24-hour hospital and is not open around the clock or past 10 PM; any older listing showing overnight, 1 AM, 8 PM, or Monday-closed hours is out of date.

Current wait status — Winchester urgent care

Winchester is open now for drop-offs. Live wait estimates begin at 9:30 AM Pacific.

Updated 8:40 AM Pacific. This estimate refreshes every 10 minutes during operating hours.

• Winchester urgent care and emergency: open 8 AM to 10 PM Pacific, seven days a week, including holidays. Closed 10 PM to 8 AM.
• Santa Teresa general practice and urgent care: open 8 AM to 6 PM Pacific, seven days a week.
• Walk-ins are accepted at both locations when capacity permits. Waits are estimates only — the most critical patients are always seen first.
• For a live estimated wait, call Winchester at (669) 230-5034.

Recognizing a Nighttime Pet Emergency

Pet emergencies don't follow a 9-to-5 schedule. Many owners discover their pet is sick late in the evening and face a difficult decision: wait until morning or seek emergency care now? Some conditions are truly time-sensitive — waiting until morning can mean the difference between life and death. This guide will help you make that call.

Go NOW — Life-Threatening Emergencies

These situations require immediate veterinary care regardless of the hour: difficulty breathing or open-mouth breathing in cats, uncontrolled bleeding, seizures lasting more than 2 minutes or multiple seizures, suspected poisoning (chocolate, grapes, xylitol, rat poison, medications, lilies), bloated or distended abdomen with retching, hit by a car or serious trauma, collapse or inability to stand, pale, white, or blue gums, inability to urinate (especially male cats), or severe allergic reaction (facial swelling, hives, vomiting after a bee sting). ARCH Veterinary's Winchester location is open until 10 PM every day — call (669) 230-5034 on your way.

See a Vet Within a Few Hours

These situations are urgent but may not require a midnight ER visit if your pet is stable: vomiting or diarrhea that started recently (less than 6 hours ago) and the pet is still alert, mild limping with no visible deformity, eye squinting or discharge that just started, a broken toenail that has stopped bleeding, a minor wound that is clean and not deep. If any of these worsen rapidly or your pet becomes lethargic, upgrade to emergency status.

Can Probably Wait Until Morning

These situations typically aren't emergencies if the pet is otherwise acting normal: a single episode of vomiting with no other symptoms, mild decrease in appetite for one meal, soft stool (not watery diarrhea), sneezing without discharge or distress, a small lump you just noticed (not rapidly growing). Monitor closely overnight and call your vet first thing in the morning.

What to Do Before You Leave for the ER

Call ahead so the team can prepare. Note the time symptoms started and any changes. Bring any packaging from substances your pet may have ingested. Secure your pet safely for transport — a carrier for cats, a leash for dogs. Bring a towel or blanket for warmth and comfort. If possible, have someone else drive so you can monitor your pet. Keep your phone charged for the vet to reach you.

Where to Go for Pet Emergencies in San Jose

ARCH Veterinary — Winchester Location: 824 N Winchester Blvd, San Jose, CA 95128. Open 8 AM – 10 PM daily including weekends and holidays. Call (669) 230-5034. We have on-site CT scanner, digital X-rays, ultrasound, in-house laboratory, and a fully equipped surgical suite for emergencies that need immediate intervention.

Advanced veterinary care in San Jose

ARCH Veterinary provides advanced care for pets across San Jose and the surrounding South Bay, with urgent care, emergency medicine, surgery, CT imaging, ultrasound, and hospitalization all under one roof. Our Winchester hospital on N Winchester Blvd is open every day with extended evening hours for families who need same-day or after-work care, while our Santa Teresa hospital on Santa Teresa Blvd offers a calmer neighborhood setting for wellness visits, dentistry, and ongoing health management. Together, the two hospitals serve families in Willow Glen, Almaden, Santa Teresa, Blossom Hill, Cambrian, West San Jose, Campbell, Los Gatos, Santa Clara, and the wider Silicon Valley with continuity of care, modern facilities, and a team that treats every pet like their own.

Frequently asked questions

Is ARCH Veterinary open at night?

Our Winchester ER is open until 10 PM every day, including weekends and holidays. For emergencies after 10 PM, we can refer you to a 24-hour facility and transfer records.

How do I know if my pet's symptoms are an emergency?

When in doubt, call us at (669) 230-5034. Our team can help you assess the situation over the phone and determine if your pet needs immediate care or can wait until morning.

What should I bring to the emergency vet?

Bring your pet in a carrier or on a leash, any medications they take, packaging from anything they may have ingested, and a form of payment. If possible, bring another person to help with your pet during transport.

How much does an emergency vet visit at night cost?

Emergency exam fees vary by case. ARCH Veterinary provides transparent estimates before any diagnostics or treatment. Most emergency visits include an exam plus targeted diagnostics based on your pet's symptoms.