Whether you need a prescription for Cyanocobalamin depends on the dosage and form
Some countries have strict regulations about bringing injectable medications across borders
In our part of Texas, summer often brings: Longer, more active days Travel and vacations Camps, sports, and later nights for kids Extra time outside in the heat and sun Some people like to plan B12 injections around these higher-demand seasons, or during travel-heavy months, or as the school year ramps up
Other side effects that have been reported include infection at the injection site, venous thrombosis , tissue death, abscess formation, fever, and febrile responses
The rash is often painful because it travels up nerve roots (which supply sensation to your skin) to the area of skin supplied by those specific nerve roots