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The four knee injections, compared

Every injection for a worn knee falls into one of four groups. They are not competing versions of the same thing: they treat different parts of the problem, and two of them are commonly used in sequence.

Audience
Written for patients and carers in Malaysia
Last reviewed
20 September 2026
CorticosteroidHyaluronic acidHA with collagen tripeptidePlatelet-rich plasma
Main actionSuppresses inflammationRestores fluid cushioningRestores cushioning and supports cartilage cellsModulates inflammation using your own platelets
Starts working1 to 3 days2 to 6 weeks2 to 6 weeks4 to 8 weeks
Relief lasts4 to 12 weeks3 to 6 months9 months to a year6 to 12 months
Number of visitsOneOne to five, depending on the productOneTwo to three, two weeks apart
Typical cost, one kneeRM 120 to RM 400RM 450 to RM 1,500RM 900 to RM 1,800RM 1,200 to RM 3,500
Main limitationRepeated use is linked to cartilage lossSlow onset, wears offNewer category, fewer long-term studiesBlood draw, processing time, variable preparations
Read moreCorticosteroidHyaluronic acidCollagen tripeptidePlatelet-rich plasma

Start with what the knee is doing, not with the product

The useful question is not which injection is best in general. It is which problem your knee has today.

A knee that is warm, visibly swollen and painful at rest has an inflammatory problem. It responds to a corticosteroid, quickly. A knee that is not swollen but hurts going down stairs, aches after a long drive and takes a few minutes to loosen up in the morning has a mechanical problem. It responds to restoring the fluid, which is what hyaluronic acid does.

Many knees do both at different times. That is why a doctor may settle a flare with steroid, then give hyaluronic acid a few weeks later to hold the ground that was gained.

Why the same injection can cost three times as much

Within the hyaluronic acid group the price range is wide, and it tracks three things:

  • Molecular weight. Low molecular weight products are cleared from the joint in weeks. High molecular weight products behave more like the fluid they are replacing.
  • Cross-linking. Chemically linking the chains together slows the enzymes that break them down, which is what extends the effect from months to closer to a year.
  • Number of syringes. An older product given as three or five weekly injections costs three or five visits, each with its own consultation fee. A single-injection product costs once.

Compare the total cost of a course rather than the price of one syringe.

What none of them do

No injection regrows cartilage that has gone. Claims of regeneration should be read carefully: supporting the cells that maintain cartilage is not the same as replacing cartilage. The measurable benefits reported in trials are pain and function, and those are the ones worth asking about.

Questions worth asking at the consultation

  • Which product are you using, and what is its molecular weight?
  • Is it one injection or a course, and what is the total cost?
  • Will it be guided by ultrasound?
  • When should I expect to feel a difference, and when should I come back?

Common questions

Which knee injection is the most effective?
There is no single winner. Corticosteroid is the most effective at settling an acute, inflamed knee in the first weeks. Hyaluronic acid is more effective over three to six months. A cross-linked hyaluronic acid with collagen tripeptide is aimed at the longest interval from one visit. The right choice depends on whether your knee is inflamed now or mechanically painful over time.
Can I have hyaluronic acid and steroid together?
Some doctors inject a corticosteroid first to settle a flare, then give hyaluronic acid two to four weeks later to hold the improvement. Mixing them in the same syringe is not standard practice. Discuss the sequence with your doctor rather than asking for both at once.
What is the newest knee injection available in Malaysia?
The newest category widely available is cross-linked high molecular weight hyaluronic acid combined with collagen tripeptide, supplied as a single prefilled syringe. It differs from older products by adding a peptide that supports cartilage cells, alongside the lubricating effect of hyaluronic acid.
Do knee injections work for bone-on-bone arthritis?
They work less well and for less time. Where the X-ray shows no remaining joint space, an injection may still reduce pain enough to be worth doing, but the realistic effect is smaller and surgical options should be discussed in parallel.
Is a knee injection better than taking painkillers every day?
For most people with osteoarthritis, yes, on the safety side. A daily anti-inflammatory tablet exposes your stomach, kidneys and heart continuously. An injection puts a small dose into the joint where the problem is. Injections are also not a replacement for the exercise and weight work that changes the long-term picture.
Should I get an injection in both knees at the same time?
It is routine and saves a trip. Arrange transport home, and expect two days of quieter activity rather than one, since both legs will feel stiff. If money is tight, treating the worse knee first tells you how well you respond before you commit to the second.

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