This guide is general education. Your symptoms, examination and medical history determine your care. It does not replace advice from your treating clinician.

What an ankle sprain is

An ankle sprain injures one or more ligaments that help hold the ankle bones together. The injury can range from stretching to a complete tear. A painful swollen ankle after a twist may also have a fracture or another injury, so the label “sprain” should not be assumed without appropriate assessment. AAOS soft-tissue overview.

This guide explains the decisions around assessment and recovery. It is not a checklist for ruling out a fracture at home. If your ankle looks deformed, you have lost feeling or you cannot put weight on it, seek urgent care. Do not try to prove that the ankle is safe by repeatedly hopping, running or asking someone to force it through movement.

Symptoms and causes

Pain, swelling, bruising and difficulty walking are common after a sprain. The ankle may feel unstable. Turning the foot inward often injures the outer ligaments; other mechanisms can affect different structures. Injuries above the ankle joint, sometimes called high ankle sprains, need a different assessment. AAOS symptoms and injury patterns.

Tell the clinician how you landed or twisted, where the pain first appeared and whether you could continue afterwards. Mention earlier sprains, even if they were never formally assessed. If you often feel the ankle buckle, distinguish that longstanding problem from the new injury. A description of the event and the change in your walking is more useful than guessing the grade of the sprain.

Sports injuries can involve several soft tissues. A sprain affects a ligament, while a strain affects muscle or tendon. Protection and later rehabilitation depend on what was actually injured. AAOS soft-tissue injury explanation.

How the ankle is evaluated

The clinician examines the location of tenderness, swelling, movement and stability. X-rays may be needed to look for a fracture. Further imaging is selected for suspected additional injury or persistent problems rather than being necessary for every sprain. AAOS assessment.

Ask what the assessment has established and what remains uncertain. If no X-ray is recommended, ask why it is unnecessary in your case and what changes should prompt a return. If a boot or brace is supplied, ask how to use it, whether it can be removed and who will review the need for it. Do not assume a device bought online provides the same support or fits the same purpose.

Bring previous ankle records if you have recurrent symptoms. Tell the clinician about the surfaces and footwear involved in your work or sport. Standing in a shop, climbing on a building site and running on a playing field make different demands. Your treatment plan needs to take those demands into account before discussing return dates.

Early care without surgery

Initial care may include protection, a short period of relative rest, a wrapped cold pack, compression and elevation. Pain relief can be discussed with a pharmacist or clinician. Support and the permitted level of weight bearing depend on injury severity. NHS sprain guidance.

Ask for clear instructions about getting around during the early period. If crutches are recommended, request a demonstration and check how you will manage stairs. Explain if you live alone or cannot avoid particular duties. The team can only address practical barriers if they know about them; do not leave with instructions that you already know you cannot follow.

A reduction in swelling is useful information to report, but it is not the whole recovery plan. Keep track of what you can do comfortably and what causes a setback. Avoid using a painkiller as a way to test whether you can finish a match or a long shift. Ask when and how you should progress instead.

Rehabilitation and preventing repeated sprains

Rehabilitation generally progresses through movement, strengthening, balance and activity-specific work. The programme should be selected for the injury and your goals; exercises that are appropriate later may not be suitable at the start. AAOS foot and ankle conditioning guidance.

Ask the therapist to explain how each phase connects to something you need to do. For example, what should be checked before returning to uneven ground or changing direction during sport? Ask for a demonstration, a written plan and a review point. Tell the therapist if you cannot complete the programme or if the ankle continues to give way.

Inadequate rehabilitation can contribute to persistent instability, and some people have repeated sprains. Ongoing symptoms deserve reassessment for instability or another injury. AAOS recovery discussion.

At follow-up, describe whether the ankle feels secure as well as whether it hurts. A useful conversation might compare walking on level ground, using stairs and the demands of your particular sport. Ask which support, if any, is appropriate during return to activity. Do not treat a brace as a replacement for the rehabilitation prescribed to you.

When surgery is considered

Most sprains are treated without surgery. Persistent pain or instability despite appropriate rehabilitation, or a significant associated injury, can lead to a surgical discussion. The procedure depends on the damaged structures. AAOS treatment options.

If an operation is proposed, ask what has been identified, what the procedure aims to improve and what non-surgical options remain. Discuss the risks, including infection, stiffness, nerve injury and continuing symptoms, with the surgeon. Frimley Health explains reconstruction risks. Clarify the expected protection and rehabilitation afterwards. A request for a second explanation is reasonable when the proposed operation is different from the initial diagnosis of a simple sprain.

Recovery and urgent warning signs

Recovery varies with severity and associated damage. More substantial injuries can take much longer than a minor sprain. Return to sport should follow the treating team’s assessment rather than a fixed number of days. NHS recovery guidance.

Seek urgent help for severe or worsening pain, inability to bear weight, major swelling or fever. Deformity, numbness, tingling, or a cold or discoloured foot after injury requires emergency assessment. NHS urgent advice.

Use urgent local medical services for those signs. For a non-urgent recovery review, bring your exercise plan and a clear account of the activities that remain difficult so that the next step can be adjusted to your needs.

Common questions

Can a sprain be as painful as a fracture?

Yes. Pain and swelling can overlap, so symptoms alone do not reliably distinguish them.

Does every sprain need a scan?

No. Examination guides whether X-rays or further imaging are needed.

Should I stay completely still until it heals?

Follow the protection and movement advice given for your injury. Rehabilitation is usually introduced in stages.

Why does my ankle keep giving way?

Persistent instability or another injury may be responsible. Arrange a review rather than repeatedly treating each episode as a new minor sprain.

When can I play again?

Return depends on recovery of function and the demands of the sport. Ask for individual clearance and progression criteria.

Sources & further reading

The following references support this educational guide. They do not imply endorsement of the clinic.

  1. AAOS: Sprained ankle (opens in a new tab)
  2. NHS: Sprains and strains (opens in a new tab)
  3. AAOS: Soft-tissue injuries (opens in a new tab)
  4. AAOS: Foot and ankle conditioning (opens in a new tab)
  5. Frimley Health: Ankle ligament reconstruction (opens in a new tab)