While the new findings are encouraging, "vaccines won’t do any good if people don’t get them," one expert said.

Medically reviewed by Corinne Savides Happel, MD Key Takeaways Allergy immunotherapy works by gradually exposing the immune ...

Plenty of people – about 1 in 3, according to some studies — feel bad for a day or two after they get a flu shot. The most common symptoms include headaches, muscle aches, fatigue and fever, all of ...

What if instead of temporarily relieving your allergies with medication, you could train your immune system to stop overreacting to your allergens altogether? That’s the idea behind allergy ...

B12 shots work fast but don’t last long. Most leaves your body within a day, though some is stored in the liver. Regular injections may be necessary to maintain steady levels, especially if you have ...

Single cortisone (corticosteroid) injections typically offer short-term relief for inflammation and pain, with the duration of the effect varying depending on the cause and injection site. Cortisone ...

Allergy shots may help relieve symptoms of severe chronic allergies. Medicare Part B covers most of the cost if the shots are deemed medically necessary. The cost depends on what type of plan you have ...