This medicine is an antiviral used for treating influenza, including H1N1 influenza (swine flu), in patients 1 year of age and older who have had symptoms for no more than 2 days. It may also be used to prevent influenza in patients 1 year of age and older.
Some medicines or medical conditions may interact with this medicine. INFORM YOUR DOCTOR OR PHARMACIST of all prescription and over-the-counter medicine that you are taking. DO NOT TAKE THIS MEDICINE IF you are going to have an intranasal live attenuated influenza vaccine (LAIV) within the next 2 days or you have had such a vaccine within the past 2 weeks. DO NOT START OR STOP any medicine without doctor or pharmacist approval. Inform your doctor of any other medical conditions, including if you have kidney problems; liver problems; mood or mental problems; allergies; pregnancy; or breast-feeding. Contact your doctor or pharmacist if you have any questions or concerns about using this medicine.
Follow the directions for taking this medicine provided by your doctor. TAKE THIS MEDICINE by mouth with or without food. If stomach upset occurs, take with food to reduce stomach irritation. IF YOU ARE TAKING THIS MEDICINE TO TREAT THE FLU, start taking it as soon as possible from when you begin noticing flu symptoms. IF YOU ARE USING THIS MEDICINE TO PREVENT THE FLU, start taking it as soon as possible, as directed by your doctor. Do not store in the bathroom. TAKE THIS MEDICINE ON A REGULAR SCHEDULE to get the most benefit from it. To clear up your infection completely, TAKE THIS MEDICINE FOR THE FULL COURSE OF TREATMENT. Keep taking it even if you feel better in a few days. Continue to take this medicine even if you feel well. Do not miss any doses. IF YOU MISS A DOSE of this medicine, take it as soon as possible. If it is within 2 hours of your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.
DO NOT USE THIS MEDICINE IF you are allergic to any ingredient in this medicine. THIS MEDICINE IS EFFECTIVE AGAINST influenza types A (including H1N1 influenza [swine flu]) and B. THIS MEDICINE MAY CAUSE DIZZINESS OR LIGHTHEADEDNESS. These effects may be worse if you take it with alcohol or certain medicines. Use this medicine with caution. DO NOT DRIVE OR PERFORM OTHER POSSIBLY UNSAFE TASKS until you know how you react to it. THIS MEDICINE MAY CAUSE DIZZINESS OR LIGHTHEADEDNESS; alcohol, hot weather, exercise, or fever may increase these effects. To prevent them, sit up or stand slowly, especially in the morning. Sit or lie down at the first sign of any of these effects. THIS MEDICINE WILL NOT PREVENT YOU FROM SPREADING INFLUENZA TO OTHERS. This medicine works only against influenza types A and B; IT DOES NOT TREAT BACTERIAL OR OTHER VIRAL INFECTIONS. Patients with flu who take this medicine may have an increased risk of confusion and unusual behavioral changes. The risk may be greater in children. CONTACT YOUR DOCTOR IF YOU NOTICE symptoms of confusion or any other unusual behavioral changes. Tell your doctor or dentist that you take this medicine before you receive any medical or dental care, emergency care, or surgery. TELL YOUR DOCTOR THAT YOU TAKE THIS MEDICINE BEFORE YOU RECEIVE ANY VACCINES, including the intranasal live attenuated influenza vaccine (LAIV). THIS MEDICINE IS NOT A SUBSTITUTE FOR A FLU VACCINE. Continue to get an annual flu shot if your doctor has recommended it. If your symptoms do not get better within a few days or if they get worse, check with your doctor. BEFORE YOU BEGIN TAKING ANY NEW MEDICINES, either prescription or over-the-counter, check with your doctor or pharmacist. FOR WOMEN: IF YOU BECOME PREGNANT, contact your doctor. You will need to discuss the benefits and risks of using this medicine while you are pregnant. IT IS NOT KNOWN IF THIS MEDICINE IS FOUND in breast milk. IF YOU ARE OR WILL BE BREAST-FEEDING while you use this medicine, check with your doctor. Discuss any possible risks to your baby.
SIDE EFFECTS that may occur while taking this medicine include diarrhea; nausea; stomach pain; or vomiting. If they continue or are bothersome, check with your doctor. CONTACT YOUR DOCTOR IMMEDIATELY if you experience abnormal behavior; confusion; hallucinations; mood or mental changes; reddened, blistered, peeling, or swollen skin; seizures; severe or persistent nausea, vomiting, or diarrhea; or symptoms of infection (eg, fever, chills, persistent sore throat). AN ALLERGIC REACTION to this medicine is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue. This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects.
IF OVERDOSE IS SUSPECTED, contact your local poison control center or emergency room immediately. Symptoms may include nausea or vomiting.
DO NOT SHARE THIS MEDICINE with others for whom it was not prescribed. DO NOT USE THIS MEDICINE for other health conditions. KEEP THIS MEDICINE out of the reach of children and pets.
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What is H1N1 Flu (Swine Flu)?
Novel H1N1 (referred to as “swine flu” early on) is a new influenza virus causing illness in people. This new virus was first detected in people in the United States in April 2009. This virus is spreading from person-to-person worldwide, probably in much the same way that regular seasonal influenza viruses spread. On June 11, 2009, the World Health Organization (WHO) signaled that a pandemic of novel H1N1 flu was underway.
How does novel H1N1 virus spread?
Spread of novel H1N1 virus is thought to occur in the same way that seasonal flu spreads. Flu viruses are spread mainly from person-to-person through coughing or sneezing by people with influenza. Sometimes people may become infected by touching something – such as a surface or object – with flu viruses on it and then touching their mouth or nose.
What are the signs and symptoms of this virus in people?
The symptoms of novel H1N1 flu virus in people include fever, cough, sore throat, runny or stuffy nose, body aches, headache, chills and fatigue. A significant number of people who have been infected with this virus also have reported diarrhea and vomiting. Severe illnesses and death has occurred as a result of illness associated with this virus.
Prevention & Treatment
What can I do to protect myself from getting sick?
There is no vaccine available right now to protect against novel H1N1 virus. However, a novel H1N1 vaccine is currently in production and may be ready for the public in the fall. As always, a vaccine will be available to protect against seasonal influenza.
There are everyday actions that can help prevent the spread of germs that cause respiratory illnesses like influenza.
Take these everyday steps to protect your health:
- Cover your nose and mouth with a tissue when you cough or sneeze. Throw the tissue in the trash after you use it.
- Wash your hands often with soap and water, especially after you cough or sneeze. Alcohol-based hand cleaners* are also effective.
- Avoid touching your eyes, nose or mouth. Germs spread this way.
- Try to avoid close contact with sick people.
- If you are sick with flu-like illness, CDC recommends that you stay home for at least 24 hours after your fever is gone except to get medical care or for other necessities. (Your fever should be gone without the use of a fever-reducing medicine.) Keep away from others as much as possible to keep from making others sick.