
ChloramBUCIL is a compounded formulation containing ChloramBUCIL, prepared by Mixlab for veterinary use. Available by prescription.
MINImix Tablets are tiny tablets made for easy swallowing and accurate dosing—perfect when only a small amount of medicine is needed.
Use as directed by your veterinarian.
The uses and pharmacology described below reflect the FDA-approved labeling for this active ingredient; your veterinarian determines whether and how they apply to your animal's treatment plan.
Veterinarians most commonly consider chlorambucil for the management of small cell lymphoma, chronic lymphocytic leukemia and certain types of feline health conditions such as inflammatory bowel disease (IBD) that have not responded to standard steroid protocols. It is frequently a point of discussion for canine patients presented with immune-mediated hemolytic anemia or protein-losing enteropathy. By interacting with the cellular environment, your veterinarian can manage the proliferation of abnormal cell populations or suppress an overactive immune response.
At a pharmacological level, chlorambucil acts as a cell-cycle non-specific alkylating agent. It functions by attaching alkyl groups to DNA molecules, which leads to the formation of cross-links between DNA strands. This structural alteration help address the processes of DNA replication and RNA transcription, eventually resulting in cellular apoptosis (programmed cell death). Because chlorambucil is considered one of the less potent alkylating agents, it is often selected for medication protocols requiring long-term maintenance or for patients where more aggressive chemotherapy may not be clinically appropriate. Your veterinarian will determine the clinical appropriateness of chlorambucil based on a definitive diagnosis, the patient’s health status and regular monitoring of hematological parameters.
Prescription only. Use only under the direction of a licensed veterinarian. This information is not a substitute for veterinary diagnosis, prescribing or monitoring. Compounded drugs are not approved by the FDA for safety or effectiveness.
Commonly observed effects following the administration of chlorambucil include localized digestive changes such as vomiting, diarrhea or a temporary decrease in appetite. A high-priority clinical consideration for this prescription is myelosuppression, where the bone marrow produces fewer blood cells. Your veterinarian will direct frequent complete blood counts (CBC) to monitor for anemia, neutropenia or thrombocytopenia. Owners should watch for signs of unusual bruising, pinpoint red spots on the skin (petechiae) or extreme lethargy and contact their veterinarian promptly with any concerns.
This medication is typically used with extra caution or avoided in patients with known severe infections, pre-existing bone marrow suppression or those with a history of hypersensitivity to alkylating agents. Because chlorambucil is considered hazardous, owners must follow specific handling and disposal protocols directed by their veterinarian, such as wearing gloves during administration. It is generally avoided in breeding, pregnant or lactating animals due to its potential influence on cellular development. Your veterinarian is the right person to provide guidance on the necessary monitoring frequency and the proper safety precautions to ensure the management approach remains suitable for your pet and your household.
Yes. Chlorambucil is a potent chemotherapy medication and can only be dispensed by a licensed pharmacy upon receipt of a valid authorization from a licensed veterinarian. Mixlab verifies all authorizations before any medication is prepared or shipped to your home.
Yes. While chlorambucil is available in commercial tablet formats, Mixlab can compound the active ingredient into customized strengths and smaller capsule sizes to suit the specific needs of cats and small dogs. Compounding allows for more precise weight-based dosing which is a clinical priority for chemotherapy protocols.
You should monitor for observational signs of bone marrow suppression such as unusual pale gums, excessive tiredness or unexpected bleeding. Additionally, localized gastrointestinal upset like vomiting or refusing food should be reported to your veterinarian to ensure the dose is being tolerated correctly.
Because chlorambucil is a cytotoxic medication, you should always wear unpowdered disposable gloves when handling the capsules or tablets. You should also take care to avoid contact with your pet's waste for several days after administration, as traces of the medication may be present in their urine or stool.




