Hemoglobin (abbreviated Hgb or Hb) is the protein molecule in red blood cells that carries oxygen from the lungs to the body's tissues and returns carbon dioxide from the tissues back to the lungs.

Polycythemia (high red blood cell count) is a condition in which the body's red blood cells are elevated. Learn the causes, symptoms, diagnosis, and treatment of polycythemia.

Kidney (Renal) failure (acute or chronic) occurs when the kidneys no longer function well and the end stage of kidney failure. Learn the causes, signs, symptoms, treatment, medication, and life …

Anemia (lack of blood) symptoms can vary depending on the cause. Symptoms may include fatigue, pale skin, heart palpitations, shortness of breath, and dizziness. There are several anemia types. …

Emphysema is a condition that is considered a type of COPD. Learn about treatment, stages, causes, symptoms, life expectancy, and prevention.

Hepatitis B vaccines (Recombivax HB, Engerix-B) are used to prevent hepatitis B infection, a serious liver infection caused by the hepatitis B virus (HBV). Hepatitis B is easily spread through contact with …

Aug 25, 2025 · HBsAg may be detected in the blood any time after 1 week post-exposure to the HB virus, but usually appears after 4 weeks. Anti-HBs: Anti-HBs are antibodies produced by the body's …

Engerix B or Recombivax HB may be administered SC to persons at risk for hemorrhage following IM injections (e.g., persons with blood clotting disorders such as hemophiliacs)

When Recombivax HB is administered, the body's immune system recognizes the viral proteins in the vaccine as foreign, and develops antibodies against them, thus providing immunity from future …

Generic Name: cimetidine Brand Name: Tagamet HB Drug Class: Histamine H2 Antagonists