The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.
Common Side Effects
- Diarrhea (3%)
- Nausea (3%)
- Sinus infection (3%)
- Ear, nose, and throat infections (2%)
- Dizziness (2%)
- Bronchitis (2%)
- Headache (2%)
- Nose symptoms (2%)
- Cough (2%)
Less Common Side Effects
- Vomiting
Relenza serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Bronchospasm: difficulty breathing, coughing, or chest tightness
- Allergic reaction: severe rash or throat swelling
Source: DailyMed
The following Relenza side effects have also been reported
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur:
Rare
Convulsions
dizziness and fainting
fast, slow, or irregular heartbeat
flushing or reddening of the skin
increased sensitivity to sunlight
itching, pain, redness, swelling, or watering of the eye or eyelid
joint pain
severe skin rash or hives
shortness of breath or troubled breathing
swelling or puffiness of the face
swollen glands or tightness in the throat
tightness in the chest or wheezing
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
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