Functional knee assessment can guide your next step.

Choosing between a doctor or physio for knee injury care depends on your symptoms. Some knee injuries need urgent medical review. However, many movement-related knee injuries can start with a physiotherapy assessment, especially when pain follows sport, work, exercise, or gradual overload.

If you have severe trauma, suspected fracture, broken skin, infection signs, or extreme pain, see a doctor or attend an emergency department first. If your knee injury is less severe, a physiotherapist can assess your knee, guide early care, and advise whether imaging or medical review is needed.

For a broader overview of common causes and treatment options, visit our knee pain and injury guide.

When Should You See a Doctor for a Knee Injury?

See your doctor or attend an emergency department urgently if your symptoms suggest a more serious injury or medical problem.

• Your knee looks deformed or your leg alignment has changed after trauma.
• You have broken skin, a deep cut, or you may need wound care or stitches.
• You have severe pain that does not settle with rest or simple pain relief.
• You cannot put weight through the leg after a fall, twist, tackle, or impact.
• Your knee is hot, red, swollen, and painful, especially with fever or feeling unwell.
• You heard a pop with rapid swelling and your knee feels unstable.
• You cannot straighten or bend the knee normally after injury.

In a non-urgent setting, your doctor may examine your knee, discuss pain relief, request imaging, or refer you to a physiotherapist or orthopaedic specialist.

When Should You See a Physiotherapist for a Knee Injury?

A physiotherapist is often a practical first contact when your knee pain follows a twist, awkward landing, knock, training change, or gradual overload.

Physiotherapists assess how your knee moves, how it responds to load, and which structures may be irritated or injured. They can also screen for signs that need medical review.

For treatment options, read more about knee treatment and physiotherapy.

How Do You Decide Who to See First?

Use the warning signs first. If the knee injury feels severe, unsafe, or unusual, choose medical review first. If the injury is movement-related and you can still walk with manageable symptoms, physiotherapy is often a suitable starting point.

Your situation	Best first step
Major trauma, deformity, deep wound, fever, or red hot swelling	Doctor or emergency department
Cannot weight-bear after injury	Doctor or emergency department first
Twist, awkward landing, swelling, or sport injury without emergency signs	Physiotherapist, with referral if needed
Gradual pain with stairs, running, squats, or kneeling	Physiotherapist
Unclear injury type or concern about MRI	Physiotherapist or GP, depending on severity

Weight-bearing ability helps guide care decisions.

Do You Need a Referral?

You do not need a GP referral to see a physiotherapist for a private knee injury appointment. You can book directly with PhysioWorks.

Referrals are usually required if you need an orthopaedic surgeon review, some types of diagnostic imaging, or care under a specific funding pathway. Your physiotherapist can guide this if your assessment suggests it is needed.

Do You Need an X-ray or MRI?

Not every knee injury needs imaging straight away. The first step is usually a clinical assessment to check the injury pattern, swelling, weight-bearing ability, movement, strength, and warning signs.

An X-ray may be more appropriate if fracture is suspected. An MRI may be considered when the diagnosis remains unclear, a significant ligament or cartilage injury is suspected, or symptoms are not improving as expected.

For more detail, read How Do I Know If I Need an MRI on My Knee?

Common Knee Injuries a Physio May Assess

Knee injuries can involve ligaments, cartilage, tendons, kneecap joint loading, or surrounding muscles. Your symptom pattern often gives useful clues.

• ACL injury: often linked with pivoting, a pop, rapid swelling, and instability.
• MCL injury: commonly causes inner knee pain after a side impact or twist.
• Meniscus tear: may cause joint-line pain, swelling, catching, or locking.
• Patellofemoral pain syndrome: often causes pain around or behind the kneecap with stairs, squats, running, or sitting.

If you are unsure what type of injury you have, read How Do I Know What Type of Knee Injury I Have?

Still Unsure Who to See First?

If you are still unsure whether to see a doctor or physio for knee injury care, start with the safety check. Severe trauma, infection signs, broken skin, deformity, or inability to weight-bear should be medically reviewed first.

If those warning signs are not present, a physiotherapist can ask screening questions, assess your knee, and guide the safest next step. This may include physiotherapy care, GP review, imaging advice, or specialist referral if needed.

Related Knee Injury Information

• Knee Pain & Injury: Causes, Treatment & Prevention
• Knee Pain FAQs
• How Do I Know What Type of Knee Injury I Have?
• How Do I Know If I Need an MRI on My Knee?
• Knee Treatment and Physiotherapy
• Knee Pain Products

Doctor or Physio for Knee Injury FAQs

Should I see a doctor or physio for a knee injury?

See a doctor first if you have severe trauma, deformity, broken skin, signs of infection, extreme pain, or you cannot put weight through the leg. For many other knee injuries linked to movement, sport, or overload, a physiotherapist is often an appropriate first contact.

When should I see a doctor urgently for knee pain?

Seek urgent medical care if your knee is badly swollen, has changed shape, is red and hot with fever, or the injury followed major trauma. You should also seek medical care if pain is severe or you cannot walk because of the injury.

Can a physiotherapist diagnose a knee injury?

A physiotherapist can assess and diagnose many common knee injury patterns. They check swelling, movement, strength, walking, joint loading, and symptom behaviour. If your signs suggest fracture, infection, major joint injury, or another concern, they will guide medical review.

Do I need an MRI before seeing a physiotherapist?

Most knee injuries do not need an MRI before physiotherapy. A clinical assessment is usually the first step. MRI may be considered if a significant structural injury is suspected, the diagnosis remains unclear, or your symptoms are not improving as expected.

Can I book a physio without a GP referral?

Yes. You can book a private physiotherapy appointment without a GP referral. Some funded pathways, specialist reviews, and imaging requests may still require a medical referral.

Guided rehab can support safer movement.

What to Do Next

If your knee injury has urgent warning signs, seek medical review first. If your knee pain is movement-related and does not have red flags, a physiotherapy assessment can help clarify the likely injury and guide safe early recovery.

PhysioWorks physiotherapists can assess your knee, explain your options, and help you decide whether physiotherapy, imaging, GP review, or specialist referral is the right next step.

References

1. healthdirect Australia. Knee pain. Healthdirect Australia. Accessed June 18, 2026.
2. Wall C, Satalich J, Yung A, et al. Acute sport-related knee injuries. Aust J Gen Pract. 2023;52(11).
3. BMJ Best Practice. Assessment of knee injury. BMJ Best Practice. Updated June 30, 2022. Accessed June 18, 2026.