What is Denosurel 120mg injection?
Denosurel 120mg injection is a bone-strengthening medicine made by Reliance Lifesciences. The active ingredient is denosumab, given at a strength of 120 mg. It is given as an injection under the skin. It belongs to a drug class called monoclonal antibodies. These are the lab-made proteins that target one specific job in the body.
What is Denosurel 120 mg used for?
This injection treats bone loss caused by certain health conditions. Doctors use it for:
- Weak, thinning bones from long-term steroid use or cancer treatment
- Bone damage caused by cancer that has spread to the bone
- A bone growth called giant cell tumor, when surgery is not possible
- High calcium levels in the blood caused by cancer
Denosurel 120 mg uses are decided by a bone specialist or oncologist based on scans and blood test results.
How does this medication work?
Bones are always breaking down old tissue and building new tissue. A protein called Receptor Activator of Nuclear Factor Kappa-B Ligand (RANKL) tells certain cells to break down bone faster than the body can replace it. Denosumab blocks RANKL from doing this job. Once RANKL is blocked, bone breakdown slows down, and bones stay stronger for longer. This is why the injection helps in conditions where bone loss happens faster than normal.
Side Effects
Most people handle this injection without major issues, but some side effects are known to occur.
- Back pain or muscle pain
- Feeling tired or low on energy
- Pain, swelling, or redness where the needle goes in
- Low calcium in the blood
- Skin infections, including cellulitis
- Jaw pain or slow healing after dental work
- Unusual pain in the thigh or hip, which can signal a rare type of bone fracture
If you notice jaw swelling or severe muscle spasms, get medical help right away. The same goes for a bone fracture that happens with little or no injury.
Who should not take Denosurel 120mg injection?
- People with low calcium levels in their blood, unless this is corrected first
- Pregnant women, since denosumab can affect the unborn baby’s bone growth
- People with an open wound in the mouth or planned dental surgery, until the mouth heals
- Anyone who has had an allergic reaction to denosumab in the past
Tell your doctor about any calcium or vitamin D supplements you take. Also mention any kidney problems, since these affect how safely the injection can be used.
How to store this injection?
- Store the injection in a fridge between 2°C and 8°C.
- Keep it in its original box, away from light, and never freeze it.
- If it has been taken out of the fridge, use it directly. Do not put it back in the fridge once it warms up.
- Do not shake the vial vigoursly. Roll it gently between your palms if it needs mixing.


