Compounded Cyclophosphamide (Cytoxan, Neosar) For Dogs, Cats & other Pet Animals

Cyclophosphamide is an anticancer agent/immunosuppressant used in animals and humans. It is used to treat a variety of cancers in animals as well as some conditions associated with an overactive immune system. This medication should start having effects within several days after staring the treatment regimen however, full effects of the medication may not be seen for several weeks. Cyclophosphamide does require a prescription from your veterinarian in order to be dispensed. You and your veterinarian should discuss if this is the best option for your pet.

Cyclophosphamide is given orally and can be compounded into the desired strength and flavor that best suits your pet. We compound this medication into suspensions and capsules. Cyclophosphamide is best given with food. This medication is considered a hazardous drug and may be harmful to individuals that touch the medication if it is not prescribed to them. Therefore, gloves should be worn while administering the medication to your animal. In addition, pregnant women should use caution when handling this medication as it may contribute to a higher risk for birth defects. Cyclophosphamide should be given as instructed on your prescription. If you miss a dose do not double up on the medication. Wait until the next dose is due and follow the normal dosing schedule as directed.

Side effects of cyclophosphamide may come on slowly and tend to be most severe about 1-2 weeks after the drug is started. The most common side effect of this medication is loss of fur. If your animal starts experiencing a loss of appetite or any bleeding, contact your veterinarian as these may be signs of more serious issues. Overdoses of this medication can be serious. If you suspect an overdose, contact your veterinarian or poison control.