Ammonium Molybdate / Ammonium Tetrathiomolybdate
Also known as: Molypen, Molybdene Injectable, TTM
> **Important Safety Note:** This medication is a specific antidote used to treat copper poisoning, a life-threatening condition in sheep and other ruminants. * **Administration:** Follow your veterinarian's exact dosing schedule. Oral forms are often mixed with other compounds (like sodium sulfate) to enhance effectiveness. * **Food Safety:** Strictly adhere to the **10-day meat** and **5-day milk** withdrawal times to ensure food safety for human consumption. * **Long-term Monitoring:** Treated animals may require long-term monitoring. The antidote itself can have delayed effects on fertility and overall health years after treatment.
Dosage must be set by your veterinarian for your specific pet. Never give human medication or another pet’s prescription without veterinary guidance.
What it is used for
- Copper poisoning
- Copper poisoning
- Copper poisoning
- Copper poisoning
- Copper poisoning
- Copper poisoning
- Copper poisoning
How it is given
Possible side effects
- Long-term toxic endocrinopathy (retention of TTM in CNS, pituitary, and adrenal glands)
- Infertility (delayed onset, 2-3 years post-treatment)
- Progressive unthriftiness and death (delayed onset)
Cautions & contraindications
- Use with caution in pregnant animals (FDA Category C in humans)
- > **Regulatory Warning:** It is highly recommended to contact the FDA for guidance before treating food animals with molybdate compounds. * **Withdrawal Times:** FARAD recommends a minimum **10-day preslaughter withdrawal time** and a minimum **5-day milk withholding interval**. * **Preparation:** Ammonium tetrathiomolybdate does not go into solution readily; therefore, orally administered ammonium molybdate is often preferred in field settings. * **Pregnancy:** FDA Category C. Animal studies have shown adverse effects on the fetus, though adequate human/veterinary studies are lacking.
Frequently asked questions
What is Ammonium Molybdate / Ammonium Tetrathiomolybdate used for in pets?
> **Important Safety Note:** This medication is a specific antidote used to treat copper poisoning, a life-threatening condition in sheep and other ruminants. * **Administration:** Follow your veterinarian's exact dosing schedule. Oral forms are often mixed with other compounds (like sodium sulfate) to enhance effectiveness. * **Food Safety:** Strictly adhere to the **10-day meat** and **5-day milk** withdrawal times to ensure food safety for human consumption. * **Long-term Monitoring:** Treated animals may require long-term monitoring. The antidote itself can have delayed effects on fertility and overall health years after treatment.
Is Ammonium Molybdate / Ammonium Tetrathiomolybdate safe for my pet?
Dosage must be set by your veterinarian for your specific pet. Never give human medication or another pet’s prescription without veterinary guidance.
This article is for general education and is not a substitute for professional veterinary advice. If your pet is unwell, please consult a veterinarian.
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