RITUXAN (rituximab) RATIONALE FOR INCLUSION IN PA PROGRAM . Background . Rituxan is a monoclonal antibody that is manufactured through biotechnology methods rather than by the human bodyâs own immune system. The drug works by greatly reducing the number of specific immune cells in the blood, known as B-cells. The drug binds to a particular protein, the
A fever is a sign that your body is fighting off an infection. Flu-related fevers are typically 100ËF (38ËC) or higher. While a fever is a common symptom in early stages of the flu, not everyone with the flu will have a fever. Also, you might experience chills with or without a fever while the virus runs its course. Acetaminophen and ibuprofen are both effective fever reducers, but these medicines canât cure the virus.
If you have flu, you generally start to feel ill within a few days of being infected. You should begin to feel much better within a week or so, although you may feel tired for much longer. You will usually be most infectious from the day your symptoms start and for a further three to seven days.ou can catch flu â short for influenza â all year round, but it's especially common in winter, which is why it's also known as seasonal flu. It's not the same as the common cold. Flu is caused by a different group of viruses and the symptoms tend to start more suddenly, be more severe and last longer.