Chlorambucil is a powerful medicine used to treat certain severe and difficult-to-manage inflammatory eye conditions, such as refractory Behcet's disease and uveitis.
| Drug class | Alkylating Agent |
|---|---|
| Type | Single |
| Forms | Tablet |
| Common strength | 2 mg |
| Common Indian brands | Celkeran, Leukeran |
| Prescription status | Prescription (hospital use) |
What Chlorambucil is used for
Chlorambucil is a strong medicine prescribed by eye specialists at Pristine Eye Hospitals for very specific and severe inflammatory eye conditions. It is not a common medication and is only considered when other treatments have not been effective. The main conditions it is used for include:
- Refractory Behcet’s Disease: This is a rare, chronic inflammatory condition that can affect various parts of the body, including the eyes. When eye inflammation in Behcet’s disease does not respond to standard treatments, it is considered ‘refractory’, and Chlorambucil might be used.
- Uveitis: This is an inflammation of the uvea, the middle layer of the eye. Uveitis can be very serious and, if left untreated, can lead to vision loss. When uveitis is severe, persistent, or does not improve with other medications, specialists may consider Chlorambucil.
It is important to understand that Chlorambucil is reserved for these rare and challenging cases due to its potent nature and the need for close medical supervision.
How it works
Chlorambucil belongs to a group of medicines called immunomodulators, specifically an alkylating agent. In simpler terms, it works by suppressing the immune system. In conditions like Behcet’s disease and uveitis, the immune system mistakenly attacks healthy tissues in the eye, causing inflammation and damage.
By acting as an immunosuppressant, Chlorambucil helps to calm down this overactive immune response. It interferes with the growth of certain cells, particularly those involved in the immune system, thereby reducing the inflammation and preventing further damage to the eyes. Because it is such a powerful medicine, its use is carefully managed by specialists to ensure the benefits outweigh the potential risks.
How it’s used
Chlorambucil is always given as a tablet and is a powerful medicine that is never for self-use. It is only prescribed and managed by specialists in a hospital or clinic setting at Pristine Eye Hospitals. The exact dosing will be determined by your specialist based on your specific condition, overall health, and how you respond to the treatment. This is referred to as ‘per protocol’ dosing, meaning it follows a very specific and carefully planned treatment regimen.
You will receive clear instructions from your doctor or nurse on how and when to take your tablets. It is crucial to follow these instructions precisely. Do not change your dose or stop taking the medicine without consulting your specialist. Regular follow-up appointments and monitoring are an essential part of your treatment with Chlorambucil to ensure its effectiveness and to manage any potential side effects.
Always follow your ophthalmologist’s exact instructions.
Brands available in India
- Celkeran
- Leukeran
Brand availability and pricing vary; confirm with your pharmacist.
Please note
Powerful medicine that suppresses the immune system. Screening for tuberculosis and hepatitis is usually required before starting, and it raises the risk of infection. Used only under specialist supervision with regular monitoring. This is given only by specialists in a hospital or clinic setting and is never for self-use.
Precautions & side effects
Chlorambucil is a powerful medicine that requires careful monitoring due to its potential side effects. While it is effective for severe eye conditions, your specialist at Pristine Eye Hospitals will discuss all potential risks with you before starting treatment. Key precautions and warnings include:
- Marrow Suppression Risk: One of the most significant risks is bone marrow suppression. This means the medicine can affect your bone marrow’s ability to produce blood cells, including red blood cells, white blood cells, and platelets. This can lead to anaemia, increased risk of infection, and bleeding problems. Regular blood tests will be conducted to monitor your blood counts closely.
- Immune System Suppression: As a powerful immunosuppressant, Chlorambucil significantly lowers your body’s ability to fight off infections. This means you will be at a higher risk of developing various infections.
- Screening for Tuberculosis and Hepatitis: Before starting Chlorambucil, your doctor will usually require screening tests for tuberculosis (TB) and hepatitis. This is because suppressing the immune system can reactivate latent (inactive) infections like TB or hepatitis.
- Specialist Supervision and Monitoring: This medicine is only used under strict specialist supervision with regular and frequent monitoring. This includes regular blood tests, eye examinations, and general health check-ups to ensure your safety and the effectiveness of the treatment.
- Not for Self-Use: Chlorambucil is given only by specialists in a hospital or clinic setting and is never for self-use.
It is vital to report any new or unusual symptoms to your doctor immediately, especially signs of infection (like fever, sore throat, or unusual tiredness), unexplained bruising or bleeding, or any other changes in your health.
Understanding Inflammatory Eye Conditions
At Pristine Eye Hospitals, we understand that living with an inflammatory eye condition can be challenging. Conditions like Behcet’s disease and uveitis involve inflammation within the eye, which, if not properly managed, can lead to pain, redness, blurred vision, and even permanent vision loss. Inflammation is your body’s natural response to injury or infection, but in these conditions, the immune system mistakenly attacks healthy eye tissues. This can cause damage to various parts of the eye, including the iris, ciliary body, and choroid. Our goal is to control this inflammation, protect your vision, and improve your quality of life. While some inflammatory conditions respond well to standard treatments, others, particularly those that are severe or ‘refractory’ (meaning they don’t respond to initial treatments), may require more potent medications like Chlorambucil, under strict specialist guidance.
We are here to support you through your treatment journey, providing comprehensive care and ensuring you understand every step. Our team of experienced ophthalmologists and support staff will work closely with you to manage your condition effectively, monitor your progress, and address any concerns you may have.
General Advice for Managing Your Eye Health
While taking specific medications like Chlorambucil, there are also general practices that can help support your overall eye health and well-being. Firstly, always adhere strictly to your doctor’s instructions regarding your medication. Do not miss doses or stop treatment without consulting your specialist. Regular follow-up appointments are crucial for monitoring your condition and the effects of the medication.
Maintaining good hygiene is always important, especially when your immune system might be suppressed. Wash your hands thoroughly and frequently, especially before touching your eyes or taking your medication. Avoid rubbing your eyes, as this can introduce germs or worsen irritation. If you wear contact lenses, discuss this with your doctor, as their use might need to be adjusted during treatment. Protect your eyes from bright sunlight by wearing sunglasses, especially if you experience light sensitivity. Ensure you have a balanced diet and stay hydrated, as general health contributes to eye health. If you experience any new or worsening symptoms, such as increased pain, redness, vision changes, or signs of infection (like fever or unusual fatigue), contact Pristine Eye Hospitals immediately.
When to Seek Medical Help
Given that Chlorambucil is a powerful medicine, it’s essential to be vigilant about your health and know when to seek immediate medical attention. Your specialist at Pristine Eye Hospitals will provide you with specific instructions, but generally, you should contact your doctor or the hospital if you experience any of the following:
- Signs of Infection: Fever (temperature above 100.4°F or 38°C), chills, sore throat, persistent cough, unusual tiredness, painful urination, or any new skin rash. Since your immune system is suppressed, infections can become serious quickly.
- Unusual Bleeding or Bruising: Easy bruising, nosebleeds, bleeding gums, prolonged bleeding from cuts, or red/purple spots on your skin (petechiae). These could be signs of low platelet counts.
- Severe Fatigue or Weakness: Extreme tiredness, dizziness, or shortness of breath, which could indicate anaemia.
- Severe Allergic Reaction: Rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, or trouble breathing.
- Any New or Worsening Eye Symptoms: Sudden changes in vision, increased eye pain, redness, or discharge.
- Severe Nausea, Vomiting, or Diarrhoea: Persistent digestive issues that are not improving.
Always remember that your health and safety are our top priority. Do not hesitate to reach out to our team at Pristine Eye Hospitals if you have any concerns or experience any adverse effects during your treatment with Chlorambucil. We are here to provide guidance and support.
Frequently asked questions
What is Chlorambucil used for?
Chlorambucil is a powerful medicine used to treat specific severe and difficult-to-manage inflammatory eye conditions, such as refractory Behcet's disease and certain types of uveitis, when other treatments have not been effective.
How does Chlorambucil work?
Chlorambucil works by suppressing the immune system. In inflammatory eye conditions, the immune system mistakenly attacks healthy eye tissues. By acting as an immunosuppressant, Chlorambucil helps to calm this overactive immune response, reducing inflammation and protecting the eyes from further damage.
What are the common Indian brands of Chlorambucil?
In India, Chlorambucil is available under brand names such as Celkeran and Leukeran.
How is Chlorambucil used?
Chlorambucil is taken as a tablet. It is a powerful medicine that is never for self-use and is only prescribed and managed by specialists in a hospital or clinic setting. The exact dosing is determined by your specialist and must be followed precisely.
Is a prescription needed for Chlorambucil?
Yes, Chlorambucil is a prescription-only medicine and is typically used only in a hospital or clinic setting under specialist supervision.
What are the key precautions when taking Chlorambucil?
Chlorambucil is a powerful medicine with a high warning level. Key precautions include a risk of bone marrow suppression (affecting blood cell production) and a suppressed immune system, which increases the risk of infection. Screening for tuberculosis and hepatitis is usually required before starting treatment. It is used only under specialist supervision with regular monitoring.
References
- Eye health – MedlinePlus (US National Library of Medicine)
- Eye health information – American Academy of Ophthalmology
- Learn about eye health – National Eye Institute (NIH)
- Blindness and vision impairment – World Health Organization
- StatPearls – NCBI Bookshelf
Medically reviewed by Dr. C Jagadesh Reddy, Chief Surgeon: Cornea, Cataract and Refractive Surgery — last reviewed 2026-07-28.
This page is for general education only and is not a substitute for professional medical advice, diagnosis or treatment. Never self-medicate or reuse an old prescription. Always consult a qualified ophthalmologist before starting, changing or stopping any eye medicine.