How long does Achilles tendinopathy last?
Achilles Tendinopathy does not recover by calendar alone; the honest timeline is the phased arc: Tendons get stronger with the right exercise, but slowly — expect roughly a 12-week program, with that morning stiffness easing as you go. Slow, strong calf work is what helps most, building back toward running and impact as the tendon tolerates load.
The Achilles tendon is irritated and overloaded in the cord above the heel. Despite the old name ending in '-itis', this is a load-capacity problem rather than active inflammation or a tear. The tendon got loaded faster than it was conditioned for — a jump in running/walking/hills, new shoes, or returning to sport too quickly. That's why the fix is progressive loading (not rest): a calmer isometric start, then heavy slow strengthening and eccentric heel drops over about 12 weeks.
What the pattern means
Gradual-onset pain and stiffness in the Achilles tendon — in the cord 2-6cm above the heel (mid-portion) or right at the heel-bone attachment (insertional) — worst for the first steps in the morning and with loading, NOT in the muscle belly and NOT from a sudden 'pop' (which would be a rupture, routed out). That pattern is the guardrail for this page: it keeps the advice tied to the condition's symptoms and loading plan rather than to a generic body-part label.
Some discomfort while you train is fine, as long as it settles by the next morning — if pain lingers into the next day or climbs week to week, ease the load. If your sore spot is right at the heel bone, keep the heel level with the floor (don't let it drop below) so you don't pinch the tendon. If that does not fit, stay cautious and get the pattern checked.
What to do first
How much pain is okay (the tendon rule): Tendons need load to heal, so some pain during the exercises is fine — up to about 5/10 — as long as it settles back to your normal by the next morning and isn't getting worse week to week. If it lingers or climbs, drop the load a little. This is the opposite of resting until pain-free. Mid-portion vs insertional — mind the range: Your heel drops default to FLOOR LEVEL — lowering only to level, not below. That's the safe range for everyone, and it's essential if your tenderest spot is right at the heel bone (insertional): dropping the heel below the step pinches the tendon at its attachment and flares it, so DON'T.
The timeline moves fastest when each phase earns the next one. Pain that settles and cleaner control matter more than an exact date. That is the difference between useful modification and avoiding life until everything feels perfect.
How to progress
The phase order matters. Start with calm: Calm an irritable tendon with isometric calf holds and load management, staying within the pain rule (up to ~5/10 that settles by morning). Then move toward rebuild: Build the tendon with eccentric heel drops and heavy slow calf raises over ~12 weeks. Mid-portion: drop the heel below the step. Insertional (pain at the heel bone): floor level only. The later target is back to running, where the payoff is running and jumping.
If progress stalls, adjust dose first: less range, speed, load, time, or repetition. Should I rest it until it stops hurting? No — tendons need load to recover. Resting tends to make them weaker and more sensitive. The plan loads it progressively within a pain rule, rather than waiting for the pain to vanish first. How much pain is okay during the exercises? Up to about 5/10 during loading is fine, as long as it settles back to your normal by the next morning and isn't getting worse week to week. If it lingers or climbs, ease the load.