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Zanamivir
Generic name: zanamivir
Brand names: Relenza
What is zanamivir?
Zanamivir is an antiviral medicine that obstructs the activities of infections in your body.
Zanamivir is used to treat influenza symptoms triggered by influenza virus in people that have had symptoms for less than 2 days. Zanamivir might also be provided to stop influenza in individuals who might be revealed yet do not yet have signs and symptoms. Zanamivir will certainly not treat the cold.
Zanamivir needs to not be made use of in place of obtaining a yearly influenza shot. The Centers for Disease Control advises a yearly flu shot to assist protect you each year from brand-new stress of influenza virus.
Zanamivir might additionally be made use of for purposes not provided in this medicine guide.
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Warnings
Some individuals utilizing zanamivir have had abrupt uncommon modifications in state of mind or habits, frequently in kids. It is not certain that zanamivir is the specific reason. Even without making use of zanamivir, anyone with influenza can have neurologic or behavior effects that may cause confusion or hallucinations. Call your medical professional right now if the individual utilizing this medicine has any signs of unusual thoughts or actions.
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Before taking this medicine
You ought to not use zanamivir if you dislike zanamivir or to lactose (milk sugar).
Do not make use of zanamivir to treat flu signs and symptoms in a child younger than 7 years of ages. Kids as young as 5 years old may make use of zanamivir to avoid influenza signs.
Inform your medical professional if you have ever had:
- asthma, chronic obstructive lung illness (COPD), or any other persistent lung problem.
It is not understood whether this medication will certainly damage an unborn child. Nonetheless, getting sick with influenza during pregnancy can cause problems resulting in abnormality, reduced birth weight, preterm shipment, or stillbirth. Your doctor will determine whether you should utilize zanamivir if you are expecting.
The Centers for Disease Control and Prevention (CDC) advises that expectant females may obtain an annual flu vaccine to stop influenza. Zanamivir is not to be utilized in place of the yearly flu shot.
It might not be secure to breast-feed while using this medication. Ask your physician regarding any kind of risk.
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Zanamivir side effects
Obtain emergency situation medical aid if you have indicators of an allergic reaction: hives; tough breathing; swelling of your face, lips, tongue, or throat.
Some people making use of zanamivir (specifically kids) have had unexpected uncommon modifications in state of mind or behavior. It is not certain that zanamivir is the exact source of these signs. Also without using zanamivir, anybody with influenza can have neurologic or behavior signs and symptoms. Call your doctor right away if the person making use of zanamivir has:
- sudden confusion;
- difficulty talking;
- tremblings or trembling;
- a seizure; or
- hallucinations (hearing or seeing points that are not there).
Quit utilizing zanamivir and call your physician at the same time if you have wheezing or severe breathing problems, or if you seem like you could pass out.
Typical side effects of zanamivir might consist of:
- frustration, dizziness;
- queasiness, vomiting, looseness of the bowels;
- coughing, wheezing, problem breathing;
- ear pain; or
- cold signs and symptoms such as stale nose, sneezing, sore throat.
This is not a full listing of adverse effects and others may occur. Call your medical professional for clinical recommendations about side effects. You might report negative effects to FDA at 1-800-FDA-1088.
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How should I use zanamivir?
Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.
Start taking zanamivir as soon as possible after flu symptoms appear, such as fever, chills, muscle aches, sore throat, and runny or stuffy nose.
Read and carefully follow any Instructions for Use provided with your medicine. Ask your doctor or pharmacist if you do not understand these instructions.
Zanamivir is packaged in disk-shaped foil packs that contain 4 blisters of medicine. These disks are placed into a device called a DISKHALER that you will use to inhale the medicine. The device opens and loads a blister of zanamivir each time you use the inhaler.
To treat flu symptoms: Use 2 inhalations twice per day for 5 days. On the first day of treatment, space your doses at least 2 hours apart. On the following days, space your doses at least 12 hours apart.
To prevent flu symptoms: Use 2 inhalations every 24 hours for 10 to 28 days. Follow your doctor's instructions.
Do not use a nebulizer or ventilator to give zanamivir. Zanamivir inhalation powder should never be mixed with a liquid.
If you are scheduled to use a bronchodilator at the same time as zanamivir, use the bronchodilator first.
Use this medicine for the full prescribed length of time, even if your symptoms quickly improve. Call your doctor if your symptoms do not improve, or if they get worse.
Store at room temperature away from moisture and heat. Throw away the DISKHALER after your treatment ends.
What happens if I miss a dose?
Utilize the medicine as quickly as you can, but avoid the missed dose if your next dosage is due in less than 2 hours. Do not use 2 doses at one time.
Call your doctor if you miss several dosages.
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What happens if I overdose?
Look for emergency situation clinical interest or call the Poisonous substance Help line at 1-800-222-1222.
Do not use a nasal flu injection (FluMist) within 48 hours after taking zanamivir. zanamivir may interfere with the medicine action of FluMist, making the injection less efficient. Follow your physician's directions.
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What other drugs will affect zanamivir?
Other drugs might influence zanamivir, consisting of prescription and non-prescription medicines, vitamins, and herbal products. Inform your doctor concerning all your current medications and any type of medication you start or quit utilizing.
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Related medicines
Content is provided for education and is not medical advice. See our medical disclaimer.