Product Information

Description

Product details

Vitamin B12 (cyanocobalamin) Injection is an injectable vitamin solution used for the treatment of vitamin B12 deficiencies. This product is an injectable solution- only administer as instructed by your veterinarian.

This sterile injectable solution contains cyanocobalamin, a form of vitamin B12 used to treat vitamin deficiencies in cats, dogs, and horses.
Vitamin B12 deficiency may occur in animals due to various causes, including gastrointestinal disease and exocrine pancreatic insufficiency (EPI).
Administer each injection using aseptic technique as directed by your veterinarian.
May be prescribed for other animal species; please consult your veterinarian.
While this drug does not have an FDA-approved indication for all animal uses, it is commonly accepted for veterinarians to prescribe this medication for use in animals.

*Please note: this is a generic medication. Product packaging and appearance, including size, color, and shape, may differ from the description or images provided and are subject to manufacturer availability.

Sourced directly from the manufacturer or their approved distributor. Guaranteed genuine product backed by the manufacturer.

For

Dogs, Cats, and Horses

Active ingredient(s)

Vitamin B12 (cyanocobalamin)

Drug class

Vitamin, Injectable

Product strength & size

This sterile injectable solution is available in two strengths: 1000 mcg per 1 mL (in a 1 mL vial) and 3000 mcg per 1 mL (in a 100 mL vial). Please select the appropriate size and strength for your pet as recommended by your veterinarian.

For current availability, please refer to the product selection above.

Usage

Vitamin B12 (cyanocobalamin) Injection should be administered as directed by your veterinarian. Please consult your veterinarian before making any changes or discontinuing the prescribed dosing schedule.

Injectable medications require needles, syringes, and a designated sharps disposal container. These are not included with the medication and must be purchased separately.

Please consult your veterinarian for guidance regarding appropriate needle and syringe sizes for your pet.

For general injectable use (aseptic technique):

Aseptic technique refers to a set of practices designed to minimize the risk of contamination and infection during medical procedures. These practices can also be applied to the handling and administration of injectable medications to your pet to help reduce the risk of post-injection bacterial infections.

Wash your hands thoroughly with soap and water before and after administration.

Use a new, sterile needle and syringe for each injection. Needles and syringes should never be reused.

Do not touch the needle, syringe tip, or vial stopper (once it has been wiped with alcohol) to any surface to avoid contamination.

Adequately clean and disinfect the vial stopper with an alcohol wipe, then allow it to dry before inserting the sterile needle/syringe.

Withdraw and administer the prescribed dose as directed by your veterinarian.

Dispose of the needle/syringe immediately after use into a proper sharps disposal container.

Missed doses

Administer the dose as soon as possible. If it is almost time for the next dose, skip the missed dose and continue with the regular schedule. Do not give two doses at once.

Storage

Store in a cool, dry place at a controlled room temperature (68 to 77°F, excursions permitted between 59 and 86°F). Keep the vial protected from light and out of the reach of children and pets. Store away from heat and direct sunlight. Do not store in the bathroom, near the kitchen sink, or in damp places. The medicine may break down if exposed to heat or moisture.

Side effects

This medication is generally well tolerated. Possible side effects include (but may not be limited to): stinging, irritation, and/or pain at the injection site.

Notify your veterinarian if your pet experiences any of the effects described above, or if you notice any other side effects that are persistent or troublesome.

If you notice anything unusual, please consult your veterinarian.

Precautions

Inspect the vial before each use. Do NOT use this medication if the solution changes in appearance (e.g., color, cloudiness, presence of visible particles, etc). These may be signs that the product is contaminated and no longer fit for use.

Safe use of this medication has not been established in breeding, pregnant, or lactating animals.

Do not administer to animals with a known history or suspected allergy/hypersensitivity to cobalt or any form of vitamin B12, including this medication or any of its ingredients. Allergic reactions to medications may occur. Be sure to inform Vetsource and your veterinarian if your pet has any known drug sensitivities or allergies.

If your pet displays symptoms of an allergic reaction, discontinue therapy and call your veterinarian immediately or seek emergency veterinary attention. Symptoms may include (but are not limited to): swollen lips, tongue, face, or airways, difficulty breathing, agitation, profuse salivation, and widespread hives or itching.

Drug and food interactions

There are no documented drug or food interactions with this medication in animals.

Contact your veterinarian if your pet experiences any unusual reactions when different medications are given together.

Please ensure your veterinarian is aware of all medications and supplements that your pet is currently receiving. Your veterinarian may prescribe multiple medications, even if a potential drug interaction may occur. In these instances, your veterinarian may adjust the dosages or monitor your pet more closely.

Adverse reactions

If you are concerned that your pet has experienced an adverse reaction to this medication, please contact Vetsource Pet Owner Care at 877-738-4443.

Overdose

If you have any reason to suspect an overdose, call your doctor/veterinarian or the appropriate poison control resource immediately.

For humans:

The national toll-free Poison Help line, 1-800-222-1222, will connect you to your local poison center in case of emergency. This service is available nationwide and in most U.S. territories.

For animals:

The ASPCA Animal Poison Control Center is available 24 hours a day, 365 days a year at 888-426-4435.

Pet Poison Helpline® also provides a 24/7 animal poison control service at 855-764-7661.

*Please note: this information is for third-party services and is provided for convenience in case of potential poison-related emergencies. There may be consultation fee for these services.

Disclaimer

The content provided on this page is NOT medical advice.

All content, including the images and product description above, is intended for general informational purposes only and should not be considered a substitute for professional veterinary consultation, diagnosis, or treatment.

Consult your veterinarian for complete information about this product and how it fits into your pet's individual treatment plan.

Last revised: 5/29/2025

Description
Product details
Vitamin B12 (cyanocobalamin) Injection is an injectable vitamin solution used for the treatment of vitamin B12 deficiencies. This product is an injectable solution- only administer as instructed by your veterinarian.
- This sterile injectable solution contains cyanocobalamin, a form of vitamin B12 used to treat vitamin deficiencies in cats, dogs, and horses.
- Vitamin B12 deficiency may occur in animals due to various causes, including gastrointestinal disease and exocrine pancreatic insufficiency (EPI).
- Administer each injection using aseptic technique as directed by your veterinarian.
- May be prescribed for other animal species; please consult your veterinarian.
- While this drug does not have an FDA-approved indication for all animal uses, it is commonly accepted for veterinarians to prescribe this medication for use in animals.
*Please note: this is a generic medication. Product packaging and appearance, including size, color, and shape, may differ from the description or images provided and are subject to manufacturer availability.

Sourced directly from the manufacturer or their approved distributor. Guaranteed genuine product backed by the manufacturer.

For
Dogs, Cats, and Horses

Active ingredient(s)
Vitamin B12 (cyanocobalamin)

Drug class
Vitamin, Injectable

Product strength & size
This sterile injectable solution is available in two strengths: 1000 mcg per 1 mL (in a 1 mL vial) and 3000 mcg per 1 mL (in a 100 mL vial). Please select the appropriate size and strength for your pet as recommended by your veterinarian.
For current availability, please refer to the product selection above.

Usage
Vitamin B12 (cyanocobalamin) Injection should be administered as directed by your veterinarian. Please consult your veterinarian before making any changes or discontinuing the prescribed dosing schedule.

Injectable medications require needles, syringes, and a designated sharps disposal container. These are not included with the medication and must be purchased separately.
Please consult your veterinarian for guidance regarding appropriate needle and syringe sizes for your pet.

For general injectable use (aseptic technique):
Aseptic technique refers to a set of practices designed to minimize the risk of contamination and infection during medical procedures. These practices can also be applied to the handling and administration of injectable medications to your pet to help reduce the risk of post-injection bacterial infections.
Wash your hands thoroughly with soap and water before and after administration.
Use a new, sterile needle and syringe for each injection. Needles and syringes should never be reused.
Do not touch the needle, syringe tip, or vial stopper (once it has been wiped with alcohol) to any surface to avoid contamination.
Adequately clean and disinfect the vial stopper with an alcohol wipe, then allow it to dry before inserting the sterile needle/syringe.
Withdraw and administer the prescribed dose as directed by your veterinarian.
Dispose of the needle/syringe immediately after use into a proper sharps disposal container.

Missed doses
Administer the dose as soon as possible. If it is almost time for the next dose, skip the missed dose and continue with the regular schedule. Do not give two doses at once.

Storage
Store in a cool, dry place at a controlled room temperature (68 to 77°F, excursions permitted between 59 and 86°F). Keep the vial protected from light and out of the reach of children and pets. Store away from heat and direct sunlight. Do not store in the bathroom, near the kitchen sink, or in damp places. The medicine may break down if exposed to heat or moisture.

Side effects
This medication is generally well tolerated. Possible side effects include (but may not be limited to): stinging, irritation, and/or pain at the injection site.

Notify your veterinarian if your pet experiences any of the effects described above, or if you notice any other side effects that are persistent or troublesome.
If you notice anything unusual, please consult your veterinarian.

Precautions
Inspect the vial before each use. Do NOT use this medication if the solution changes in appearance (e.g., color, cloudiness, presence of visible particles, etc). These may be signs that the product is contaminated and no longer fit for use.
Safe use of this medication has not been established in breeding, pregnant, or lactating animals.

Do not administer to animals with a known history or suspected allergy/hypersensitivity to cobalt or any form of vitamin B12, including this medication or any of its ingredients. Allergic reactions to medications may occur. Be sure to inform Vetsource and your veterinarian if your pet has any known drug sensitivities or allergies.
If your pet displays symptoms of an allergic reaction, discontinue therapy and call your veterinarian immediately or seek emergency veterinary attention. Symptoms may include (but are not limited to): swollen lips, tongue, face, or airways, difficulty breathing, agitation, profuse salivation, and widespread hives or itching.

Drug and food interactions
There are no documented drug or food interactions with this medication in animals.
Contact your veterinarian if your pet experiences any unusual reactions when different medications are given together.

Please ensure your veterinarian is aware of all medications and supplements that your pet is currently receiving. Your veterinarian may prescribe multiple medications, even if a potential drug interaction may occur. In these instances, your veterinarian may adjust the dosages or monitor your pet more closely.

Adverse reactions
If you are concerned that your pet has experienced an adverse reaction to this medication, please contact Vetsource Pet Owner Care at 877-738-4443.

Overdose
If you have any reason to suspect an overdose, call your doctor/veterinarian or the appropriate poison control resource immediately.

For humans:
The national toll-free Poison Help line, 1-800-222-1222, will connect you to your local poison center in case of emergency. This service is available nationwide and in most U.S. territories.

For animals:
The ASPCA Animal Poison Control Center is available 24 hours a day, 365 days a year at 888-426-4435.
Pet Poison Helpline® also provides a 24/7 animal poison control service at 855-764-7661.

*Please note: this information is for third-party services and is provided for convenience in case of potential poison-related emergencies. There may be consultation fee for these services.

Disclaimer
The content provided on this page is NOT medical advice.
All content, including the images and product description above, is intended for general informational purposes only and should not be considered a substitute for professional veterinary consultation, diagnosis, or treatment.
Consult your veterinarian for complete information about this product and how it fits into your pet's individual treatment plan.

Last revised: 5/29/2025
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