After an injury: call 999 or go to A&E
Call 999 or go to A&E: after an injury, you heard a crack, the foot or ankle has changed shape or points at an odd angle, a bone is sticking out, there is a bad cut over it, you're in severe pain, or the toes look blue or white, feel numb or are cold to touch. These can mean a broken bone. Don't drive yourself.
Can't put weight on it
Same day (NHS 111 or an urgent treatment centre): after an injury, you can't put weight on it or walk more than a few steps, the pain is very bad or getting worse, there is a lot of swelling or bruising or it is getting worse, it feels very stiff, or it's not feeling any better after treating it yourself. Get the same help if you also have a very high temperature, or feel hot, cold or shivery: this could be an infection. If you think it's broken, don't treat it yourself.
A snap at the back of the heel
Same day: a sudden snap or pop at the back of the heel or calf, or a feeling of being kicked there, then walking flat-footed and being unable to push off, stand on tiptoe or climb stairs. It could be an Achilles tendon rupture or a broken heel bone. Go to A&E or a minor injuries unit, or contact NHS 111.
Diabetes and a foot problem
Same day: you have diabetes and a new foot problem, such as an ulcer or wound, signs of infection, or a hot, swollen foot with a change in colour, even if it doesn't hurt. Contact your diabetes foot team or GP: NICE asks for these to reach a specialist foot service within 1 working day, and a suspected Charcot foot is kept off weight until it has been checked.
Call 999 or go to A&E: you have diabetes and a foot ulcer with a fever or signs of sepsis, an ulcer with poor circulation, a possible deep infection of the soft tissues or bone in the foot (with or without an ulcer), or gangrene. NICE asks for these to go straight to hospital.
A foot that's suddenly cold, pale or numb
Call 999 or go to A&E: a foot or leg that is suddenly cold, pale, numb, weak or very painful without an injury. A sudden loss of blood supply is a vascular emergency.
Pain in one spot on a bone
One spot on a foot bone that hurts with every step and later at night: a possible stress fracture.
Pain in one spot on a bone that's worse with jumping or running, eases with rest and hurts when you press it: stop jumping, as it can be a stress fracture, and see a GP. See a GP too for heel pain that hasn't improved after 2 weeks of looking after it yourself, or shin pain that's getting worse or isn't improving.
See a GP
Pain that isn't better after 2 weeks of looking after it yourself, is getting worse, keeps coming back, or stops you doing normal things.
Tingling or loss of feeling in the foot, or a foot that feels weak.
Any foot pain if you have diabetes: foot problems can be more serious.
During balance work and hops
Stop if you feel dizzy or light-headed. Keep a counter or wall within reach, and have someone nearby for the hardest moves if you've fallen recently (our suggestion, as in our older adults guide).
Call 999 or go to A&E if you heard a crack, the joint has changed shape or points at an odd angle, it's numb or tingling, or the skin looks blue or grey or feels cold. Get help from NHS 111 if it's very painful or swollen, or you can't put weight on it or walk more than a few steps. Call 999 if someone has fallen and may have injured their head, back, neck or hip, or can't get up.
Stop and get medical help
If you get chest pain or pressure, feel faint or dizzy, are unusually breathless, or your heart races or beats irregularly during exercise, as our plans advise.
Call 999 (911 in the US)
For chest pain that comes on suddenly and doesn't go away, feels tight or like squeezing, spreads to your arms, neck, jaw, stomach or back, or comes with sweating, feeling sick, light-headedness or breathlessness; severe difficulty breathing; someone who faints while exercising; palpitations that don't go away, or come with chest pain, shortness of breath or feeling faint; or a headache that starts suddenly and is extremely painful, especially while lifting or straining, or comes with numbness or weakness, difficulty speaking or loss of vision. The NHS says a bleed on the brain may be more likely when lifting something heavy. Don't drive yourself to A&E.
During any session
Stop straight away if you feel any pain or become unwell, the NHS says, and contact 111 if your symptoms worry you or don't go away.
A dull ache in your muscles for a day or two after something new is normal. Joint pain that's sharp, gets worse during a set or lingers into the next day means switching to the easier option, and seeing a GP or physiotherapist if it carries on (our plans' rule). Our muscle soreness guide has more.
If pain climbs day after day, or you notice a warning sign, stop and get it checked. The 5 out of 10 figure is an editorial starting point that matches this site's other pain guides, not a tested rule.
Check first
Speak to your GP first if you haven't exercised for some time or have medical conditions or concerns, as the NHS advises. Get advice before heavy lifting or hard straining work if your blood pressure is uncontrolled, or you have heart disease or chest pain when you're active, a pacemaker or defibrillator, diabetic eye disease, glaucoma, a hernia, recent eye or tummy surgery, or you're pregnant, as our breathing guide lists. After a recent shoulder dislocation or shoulder surgery, follow our shoulder dislocation guide or your surgical team first.
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