Naturally, vitamin B12 occurs in many foods. People consume this vitamin by eating fish, dairy, and meat. Many doctors give patients B12 injections to supplement daily intake. Deficiency of this vitamin shows in people who experience fatigue and anemia. This is a relatively safe course of action. There may be side effects of b12 injections.
These shots are painful as they are muscular shots. Patients complain of nausea, upset stomach or even diarrhea. Other possible effects include joint pain, swelling or headaches. Pain at the injection site is also a common complaint. More serious, but less common effects include heart palpitations, heart attack symptoms, and rapid heartbeat. If any of these symptoms appear, the patient or caregiver should notify a doctor immediately.
People getting these injections may also feel muscle pain, weakness and cramping. These shots also may cause frequent urination and dehydration. Confusion, dizziness, and numbness are possible side effects. Certain patients experience shortness of breath, coughing, or wheezing. Swallowing may be difficult, and patients may feel fatigued and tired.
Patients who are sensitive to allergens may experience severe allergic reaction to this shot. These reactions are rare, but can be deadly. The shot contains preservatives, and researchers think allergic reactions may be caused by these additives.
Before a patient receives a B12 shot, they should be aware of their current medications. Certain drug interactions occur with these injections. People should stay away from alcohol, folic acid and potassium. The patient should not be on any antibiotics when getting this shot, as there are negative reactions for certain antibiotics. Minerals, herbs and other vitamins may also cause a reaction if mixed with this injection. It is good to read all information on any dietary supplements and possible side effects.
As with any drug, supplement, or prescription, a B12 injection needs careful thought. A physician can tell a patient if the shot is entirely necessary by reviewing their entire medical history.
If the patient has sensitivities, there may be other opportunities to acquire vitamin B12 without getting the shot. Changes in dietary habits are a good place to start. Patients can increase intake of this vitamin by eating liver, sardines, eggs and mussels among other foods. Many cereals are fortified with vitamins and minerals.
There are also many over the counter supplements that add to the body’s vitamin count. A vitamin B12 injection helps many patients, but it is good to be aware of side effects.