• If you have sustained an injury
• If you have swelling, bruising or deformity of a body part
• If you are experiencing joint stiffness, pain or ache (particularly if your symptoms have persisted for greater than 3 days)
• If you are limping or protecting a limb due to pain
• If you are experiencing pins and needles or numbness
• If your limbs collapse or give way occasionally
• If you have postural problems
• If you need advice on improving strength, flexibility, balance or fitness
• If you need advice on injury prevention or other aspects of musculoskeletal health
• If you require treatment for an injury
• If you wish to improve your physical performance for sport
• If you are planning a return to sport or activity following a prolonged period of inactivity

As a general rule, if you are unsure, it is always better to consult a professional rather than not seek advice.

https://www.physioadvisor.com.au/faq/see-physiotherapist/