Flower Mound's approximately 80,000 residents are served by a community known for Flower Mound Town Center, Cross Timbers, and the Grapevine Lake shoreline. What Flower Mound lacks is a 24/7 freestanding emergency room equipped to treat anaphylaxis on-site. Hospital ERs near Flower Mound can mean multi-hour waits — and severe allergic reactions can become life-threatening within minutes.
That's why Flower Mound residents rely on ER Of Fort Worth at 4561 Heritage Trace Parkway — just 20 miles from Flower Mound via US-377. We are open 24 hours a day, 7 days a week, 365 days a year. When hives, swelling, or breathing trouble strike near Flower Mound Town Center, Cross Timbers, and the Grapevine Lake shoreline, our allergic reactions team provides epinephrine, IV antihistamines, and observation — no appointment required.
Allergic reaction care Flower Mound trusts.
When an allergic reaction is severe, every minute counts. Here is why Flower Mound residents near Flower Mound Town Center, Cross Timbers, and the Grapevine Lake shoreline choose ER Of Fort Worth.
25-minute drive from Flower Mound
Take FM 1171 west to US-377 south, then continue toward I-35W and Heritage Trace Parkway.
Anaphylaxis triaged as highest priority
Flower Mound patients receive epinephrine the moment it's needed — no waiting for a severe reaction.
4—6 hour observation on-site
Flower Mound patients are monitored for biphasic rebound reactions before safe discharge.
Board-certified ER physicians
Every Flower Mound patient is evaluated by a board-certified emergency medicine physician — 24 hours a day, every day.
Symptoms of allergic reactions.
Flower Mound residents should recognize these warning signs early — quick treatment leads to better outcomes and can be life-saving.
Common causes.
Understanding what's causing your symptoms helps guide the right diagnostic tests and treatment for Flower Mound patients.
- ✓Food allergens — peanuts, shellfish, eggs, tree nuts
- ✓Medication allergies — penicillin, NSAIDs, contrast dye
- ✓Insect stings — bee, wasp, hornet
- ✓Latex allergy
- ✓Environmental allergens
- ✓Idiopathic — unknown trigger
Don't wait. Come now if—
- —Throat, tongue, or lip swelling
- —Difficulty breathing or wheezing
- —Dizziness or fainting after allergen exposure
- —Widespread hives combined with any other symptom
- —Allergic reaction in a child
- —Used an epi-pen — always come to the ER afterward
Not sure? Call us from Flower Mound.
Our nurses can help you decide.
Treatments we offer.
Our ER is fully equipped to treat allergic reactions from mild hives to life-threatening anaphylaxis 24/7 for Flower Mound patients.
Epinephrine (IM)
First-line treatment for anaphylaxis — administered immediately on arrival when indicated.
IV antihistamines
Benadryl (diphenhydramine) and H2 blockers administered IV for rapid, full-body effect.
Corticosteroids
IV or oral steroids to prevent biphasic rebound reactions — a second wave that can occur hours later.
Albuterol nebulizer
Bronchodilator for allergic wheezing or bronchospasm — opens the airways rapidly.
4—6 hour observation
Standard monitoring after anaphylaxis to watch for biphasic reactions before safe discharge.
Epi-pen prescription & referral
Epinephrine auto-injector prescribed at discharge plus referral to an allergist for further evaluation.
Getting to our ER from Flower Mound, TX.
We are located at 4561 Heritage Trace Parkway, Suite 117, Fort Worth, TX 76244 — approximately 20 miles from Flower Mound. The drive typically takes 25 minutes or less under normal traffic conditions.
- 1 Primary route: Take FM 1171 west to US-377 south, then continue toward I-35W and Heritage Trace Parkway. Total: ~20 miles, ~25 min.
- 2 Alternate route: From Cross Timbers or Flower Mound Town Center, follow US-377 south through Roanoke toward I-35W. Total: ~20 miles, ~25 min.
- ! Tip: If you have throat swelling or difficulty breathing, use your epi-pen if available and call 911 instead of driving yourself from Flower Mound.
Our parking lot offers drop-off access directly adjacent to the front entrance. See our full Flower Mound service area page for a map and neighborhood details.
Why ER Of Fort Worth for Flower Mound's allergic reactions.
Average wait under 10 min
Anaphylaxis is triaged as the highest priority for Flower Mound patients — epinephrine is ready the moment you arrive.
Board-certified ER physicians
Every patient is evaluated by an emergency-medicine-trained physician, 24/7. Our ER doctors never leave you with a mid-level alone.
On-site imaging & labs
CT, ultrasound and full lab — ruling out complications and confirming severity in one visit.
All major insurance accepted
BCBS, Aetna, Cigna, UnitedHealthcare, Humana, Medicare, Tricare and more. See full insurance list —
Insurance accepted.
Flower Mound residents should not delay needed allergic reaction treatment due to insurance questions. We accept all major commercial insurance, Medicare, Medicaid, Tricare and many more. View our full accepted insurance list —
Our billing team is available to answer questions about your coverage before, during, or after your visit. Self-pay pricing is transparent and available on request.
Questions from Flower Mound patients.
How far is ER Of Fort Worth from Flower Mound TX?
We are approximately 20 miles from Flower Mound — about 25 minutes under normal traffic. Take FM 1171 west to US-377 south, then continue toward I-35W and Heritage Trace Parkway.
What is the fastest route from Flower Mound to your ER?
Take FM 1171 west to US-377 south, then continue toward I-35W and Heritage Trace Parkway. From Cross Timbers or Flower Mound Town Center, follow US-377 south through Roanoke toward I-35W. For turn-by-turn directions, enter "4561 Heritage Trace Pkwy, Fort Worth, TX 76244" into Google Maps or Apple Maps.
Should Flower Mound residents come to the ER after using an epi-pen?
Yes — always. Epinephrine wears off within 15—20 minutes and the reaction can return, sometimes worse. Flower Mound residents who use an epi-pen need monitoring and additional treatment at an ER right away.
How fast does anaphylaxis develop for Flower Mound patients?
Symptoms can develop within minutes to a couple of hours after exposure. Flower Mound residents with throat swelling, difficulty breathing, or dizziness after an allergen exposure should not wait to see if it gets better — come in immediately.
Will my insurance cover allergic reaction treatment from Flower Mound TX?
Yes. We accept BCBS, Aetna, Cigna, UnitedHealthcare, Humana, Medicare, Tricare and most major commercial plans. See our full insurance details at /insurance/.
Will Flower Mound patients be prescribed an epi-pen after their visit?
Yes — if you've had a serious allergic reaction, we'll send Flower Mound patients home with epinephrine auto-injectors and a referral to an allergist for follow-up evaluation.
What's the difference between hives and anaphylaxis for Flower Mound patients?
Hives are a skin reaction — itchy, raised welts. Anaphylaxis involves multiple body systems — breathing, blood pressure, or GI symptoms — and is life-threatening. Flower Mound patients with hives plus any other symptom should be evaluated immediately.
Can Flower Mound patients use online check-in for an allergic reaction?
Online check-in at /online-check-in/ is available for mild, non-emergency reactions. If you have throat or tongue swelling, difficulty breathing, dizziness, or have used an epi-pen, call 817-945-4200 or come straight in.
What's the best route from the Flower Mound Town Center, Cross Timbers, and the Grapevine Lake shoreline area in Flower Mound to your ER?
Take FM 1171 west to US-377 south, then continue toward I-35W and Heritage Trace Parkway. From Cross Timbers or Flower Mound Town Center, follow US-377 south through Roanoke toward I-35W. Both routes average 25 minutes under normal Tarrant County traffic.