2 ml per day
If you're using a glass ampoule, tap the top, snap it open away from you, and draw from the bottom
The bottom line The bottom line Vitamin B-12 injections can help cats with a number of health issues, particularly chronic renal disease
Neurological recovery is often incomplete if treatment is delayed, emphasising the importance of early diagnosis and prompt initiation of therapy
Vitamin B12 shot side effects Most people tolerate vitamin B12 injections well, but possible side effects include: Mild: soreness or redness at injection site, mild diarrhea, nausea, headache, itching Rare but serious: allergic reactions (rash, swelling, difficulty breathing), low potassium (hypokalemia), dizziness or heart rate changes Get emergency medical help if you have signs of an allergic reaction to Vitamin B12: hives