As for all active products, this drug can give to some persons, some effects more or less uncomfortable. In order to prevent undesirable effects, your doctor will prescribe the minimum dose able to control your asthma
Allergic reaction: you may notice that a worsening of your shortness of breath immediately after using Cyvax. You may experience bronchial whistles and caugh. You may also experience itching and swelling (generally face,lips, tongue, and throat).
If you experience these symptoms or they appear immediately after taking cyvax , consult your doctor immediately.
Allergic reactions of cyvax are very rare, affecting 1 person on 10000.
Other undesirable effects:
Very Frequent undesirable effects (≥1/10):
-Headache , generally decreasing after continuing the treatment
Frequent undesirable effects (less than 1/10):
-Candidacies of the mouth and the throat (sometimes dolorous). Also tongue and throat are irritated, and rasping voice. Rinse your mouth with some water and spit it immediately after every taking this can avoid those effects. Your doctor will prescribe an antifungal treatment to treat the Candidaciesb
-Dither and irregular or rapid heartbeat (palpitations) which appears when starting the treatment
This is generally mild and disappears while continuing the treatment.
– Muscular cramps,arthralgia and myalgia.
The following undesirable effects mmay appear in case of patients with chronic obstructive pulmonary disease ( COPD):
-Pneumonia and bronchitis (respiratoryinfection) Contact your doctor in case of : sputum production increase, change of sputum color, fever, chills, cough increased, of the respiratory difficulties increase .
-Bruises and traumatic fractures.
-Inflammation of sinus ( sensation of tension or heaviness in the face , cheeks and behind the eyes, sometimes with a throbbing pain)
-Hypokalemia ( maybe experienced by palpitations , muscles weakness, cramps)
Infrequent effects (less than 1/100):
-Cutaneous hypersensitivity reaction (urticaria).
-Increased heart rate ( tachycardia)
Very rare effects (less than 1/10000)
-Abrupt onset of respiratory difficulties or bronchial whistles immediately after Cyvax inhalation. In this case , stop using Cyvax , instead, use your rescue bronchodilator medicine to help you breath and contact your doctor immediately.
-Cyvax may affect the organism normal production of steroid hormones (produced by adrenal glands), particularly if you have used high doses over extended periods of time. The effects are :
• Reduced growth in adolescents
• Bone –thinning
• Cataract ( clouding of the eye’s lens causing visual difficulties) , and glaucoma ( increase of the intraocular pressure )
• Weight gain
• Rounding of the face (Moon shape ) ( Cushing syndrome)
Your doctor will make sure regularly that you don’t experience any of the side effects by prescribing the minimum sufficient dose to control your asthma
– In case of arrhythmia, contact your doctor, but no need to systematically stop your treatment unless told by your doctor.
– In case of diabetes, more frequent glucose level controls and adjustment of your anti-diabetic treatment might be necessary
-Arthralgia and myalgia may appear.
If you notice other side effects not mentioned in this leaflet, please inform your doctor or your pharmacist.