b12 injections vs sublingual treatment Pills: Richmond's Complete Guide B12 Under the Tongue: Uses,
Description
Any side effects are typically short-lived

a single dose methylcobalamin of 1500 mcg in patients with peripheral neuropathy

It could manifest as worsening B12 deficiency symptoms like skin rashes, tingling sensations, burning pain, tremors, heart palpitations, joint pain, and more

E53.8 - Deficiency of other specified B group vitamins : This code is used when a patient has a deficiency of Vitamin B12 due to causes other than those explicitly mentioned in other codes
