do you need a prescription for b12 injectable for cats Vitamin B-12 1000mcg - Injection Pets B12 for cats - Feline
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Two days after the first intramuscular B12 injection, the patient developed an acneiform eruption on her glabella, nose, cheeks, and perioral area

(2014) Safety and efficacy of intravenous ultra-high dose methylcobalamin treatment for peripheral neuropathy: a phase I/II open label clinical trial

When NNMT is overactive