Melphalan
- Article last reviewed 02 February 2026
- 11 mins read
What is this medication for?
Melphalan is commonly used to treat multiple myeloma, particularly before bone marrow or stem cell transplantation. It can also be used for other cancers like ovarian cancer or other blood disorders like amyloidosis.
How should I take or use this medication?
For tablets, make sure you check with your healthcare professional on which days you should take melphalan tablets. Some cases, patients take it for a specific number of days followed by a break (such as for four days per month). In other cases, it is taken every day without a break. It is usually taken once a day.
This medication should be taken on an empty stomach, 1 hour before or 2 hours after food.
For injections, it will be given as an infusion into the vein.
Special handling of the medication is required. Check with your healthcare professional before handling the drug.
What should I do if I forget to take or use this medication?
If you forget to take a dose if it is within 12 hours of your scheduled time, take it as soon as you remember, then take your next dose at the usual time.
If it is more than 12 hours from your scheduled time, skip that dose then take your next dose at the usual time.
Do not take two doses to make up for the missed dose and ask your healthcare professional about making up for any skipped doses.
What precautions should I take when taking or using this medication?
Inform your healthcare professional if:
- You are allergic to this medication or any of the other ingredients of this medication.
- You or your partner is pregnant, planning to become pregnant or breastfeeding.
- For females at child bearing age effective contraception should be used during and for 6 months after last dose
- For male with partners who could become pregnant, effective contraception should be used during and for 3 months after last dose
- For breastfeeding woman, avoid during treatment and for 1 week after last dose
- You are taking any other medications, including supplements, traditional medications and herbal remedies.
What are some common side effects of this medication?
Decrease in white blood cell count
|
|
Decrease in platelet count
|
|
Decrease in the number of red blood cells (anaemia)
|
|
| Nausea or vomiting |
|
Mouth ulcers or sores
|
|
| Hair Loss |
|
What are some rare but serious side-effects that I need to seek medical advice immediately?
Hypersensitivity (allergic) reaction
|
|
Liver problems
|
|
| Lung problems |
|
What food or medication should I avoid when I take or use this medication?
Speak to your doctor or pharmacist before receiving any vaccines or using any other medicine, including over-the-counter medications, vitamins, supplements and herbal products.
How should I store this medication?
Melphalan tablet: Store in the refrigerator between 2°C to 8°C. Do not freeze.
Keep this medication away from children.
How do I throw away this medication safely?
Pack the medication into a bag and bring it back to the pharmacy where you receive the medication from.
Disclaimer
Please take note that the above is not a complete list of all possible side-effects. If you have any concerns about your medication or if you have other side-effects that you think are caused by this medication, please consult your doctor or pharmacist. If you take more than the recommended dose, please seek medical advice immediately. The information provided on this page does not replace information from your healthcare professional. Please consult your healthcare professional for more information.
This article is jointly developed by members of the National Medication Information workgroup. The workgroup consists of cluster partners (NHG Health, National University Health System and SingHealth), community pharmacies (Guardian, Unity and Watsons) and Pharmaceutical Society of Singapore. The content does not reflect drug availability and supply information in pharmacies and healthcare institutions. You are advised to check with the respective institutions for such information.
Please visit www.moh.gov.sg/knowyourmeds and www.ndf.gov.sg for more information on medication.
Contributed By
- Pharmaceutical Society of Singapore
Related support and tools
Related Topics
Explore some of these related topics