What are the side effects of Hydroxocobalamin? Most Common - Redness of the skin, rash, high blood pressure, nausea, headache and injection site pain. Eye - Swelling, irritation and redness.

Hydroxocobalamin 1mg/ml, 30 ml vial, lot number E47025, best by May 21, 2022. Patients and health clinics should return the compounded drugs to Olympia Pharmacy.