Leg Pain
When to Go to the ER

Call 911 When Leg Pain Comes With These Symptoms

• New leg pain or swelling comes with sudden trouble breathing, chest pain, coughing up blood, lightheadedness, or fainting.

• One leg suddenly becomes weak or numb along with facial drooping, speech trouble, confusion, vision change, or severe loss of balance.

• The leg or foot suddenly becomes extremely painful, cold, pale, gray, or blue while feeling or movement is disappearing.

• A major collision, fall, or crush injury has occurred and the person cannot be moved safely.

• Bleeding is heavy, the person has collapsed, or they are difficult to wake.

These combinations can make private transport unsafe. Do not wait to see whether they pass, and do not drive yourself.

Come to the ER When Leg Pain Should Not Wait

• The leg pain began suddenly, is severe, or is worsening quickly.

• One calf, thigh, or whole leg becomes newly swollen, warm, tender, or discolored without a clear minor injury.

• You cannot stand, walk, or put weight on the leg the way you normally can.

• New numbness, tingling, weakness, or loss of movement develops in the leg or foot.

• The foot becomes colder or changes color compared with the other side.

• Pain and tight swelling keep increasing after a hard impact, crush injury, or while the leg is inside a cast or tight bandage.

• The leg looks out of place, a deep wound is present, or the injury has clearly changed the leg’s shape or function.

• Redness, warmth, or swelling is spreading and you also have fever, chills, unusual weakness, or the feeling that you are becoming seriously ill.

One meaningful change may be enough. New one-sided swelling can be a sign of a blood clot. Rapidly worsening pain and tightness after an injury can mean dangerous pressure is building inside the leg. A cold, pale, numb, or weak foot may not be receiving normal blood flow.

You do not need to identify the cause at home. Come in for an examination.

When Leg Pain Seems Mild and Stable

Sometimes leg pain remains mild after familiar activity. You can still walk close to normally, the pain is not worsening, and there is no major swelling, fever, deformity, lasting numbness, weakness, or change in the foot’s color or temperature.

When the symptoms are mild, stable, and not getting worse, urgent care may be a reasonable place to start.

The important word is stable.

If the pain becomes stronger, one leg begins to swell, walking changes, or the foot becomes numb, weak, cold, pale, or blue, come to the ER. Urgent care should not delay emergency evaluation when a warning change appears.

How to Describe What Your Leg Feels Like

Leg pain is not always easy to explain. You may feel a deep ache in the calf, a pulling pain in the thigh, a sharp area along the shin, or heaviness through the whole leg. The pain may appear only when you stand, or it may remain even when you are resting.

Tell us what you noticed first and what happened next. Did one leg become larger than the other? Does the foot feel colder? Does the leg give way when you stand? Is the pain spreading, or is swelling building around one area?

Those details are useful. You do not need perfect medical words.

When a Child Stops Using a Leg Normally

Children may show leg pain before they can explain where it hurts. A young child may refuse to stand, begin limping, hold the leg still, or cry when the leg is touched or moved.

Come to the ER when a child:

• Suddenly cannot stand or walk.

• Stops using the leg normally after a significant fall or impact.

• Has major swelling, an unusual angle, or a deep wound.

• Develops numbness, weakness, or a foot that becomes cold, pale, gray, or blue.

• Has leg pain with fever and looks or acts seriously ill.

The important change is not whether your child can name the painful spot. It is whether normal use of the leg has changed.

How Our Emergency Physician Will Evaluate Leg Pain

At Post Oak ER, the first step is listening to how the leg pain began and examining what has changed. The physician may ask whether the pain started suddenly, whether there was an injury, and whether you have had recent travel, surgery, limited movement, pregnancy, or a recent delivery.

The examination may compare both legs for swelling, warmth, tenderness, skin color, and temperature. The physician may also check pulses, strength, feeling, movement, wounds, and whether you can bear weight safely.

Testing follows the conversation and examination. An X-ray may help when a bone injury or abnormal alignment is suspected. Ultrasound may be appropriate when one leg is newly swollen and a blood clot is a concern. Blood work or other imaging may be selected when the physician needs to assess infection, significant muscle injury, bleeding, or another emergency question.

Not every person with leg pain needs the same test.

Treatment can begin during the visit. Depending on the findings, we may treat pain, clean and dress a wound, support or immobilize the leg, give IV fluids or medication, and monitor changes. If hospital admission, surgery, or specialty intervention is needed, we can stabilize you and arrange transfer.

What to Tell Us When You Arrive

Start with what changed:

• Where did the leg pain begin?

• Did it start suddenly or build over time?

• Is one leg more swollen, warm, or discolored than the other?

• Can you stand and walk normally?

• Was there a fall, impact, exercise injury, or crush injury?

• Has the foot become cold, numb, weak, pale, gray, or blue?

Your answers help the physician decide what needs attention first. Before the visit ends, you should understand what was found, what treatment was started, and which changes require immediate further care.

24/7 Leg Pain Evaluation Near The Galleria

Post Oak ER is open 24 hours a day at:

5018 San Felipe Street
Houston, TX 77056

Our emergency room is near The Galleria and I-610. Adults and children may walk in without an appointment for severe, worsening, or otherwise concerning leg pain.

We serve patients from Uptown, Tanglewood, River Oaks, Briargrove, Briarcroft, Highland Village, and the greater Galleria area.

When leg pain or swelling comes with sudden breathing trouble, chest pain, stroke warning signs, collapse, major trauma, or a rapidly cold and weak leg, call 911 instead of driving.