Special warnings and precautions for use
In some patients, long term treatment with cetirizine tablets may lead to an increased risk of caries
due to mouth dryness. The patients should therefore be informed about the importance of oral
hygiene.
At impaired hepatic function and renal function, the elimination of cetirizine may be impaired.
Caution should be exercised when administering cetirizine to these patients. (see section 4.2
posology and section 4.3 contraindications).
At therapeutic doses, no clinically significant interactions have been demonstrated with alcohol (for
a blood alcohol level of 0.5 g/L). Nevertheless, precaution is recommended if alcohol is taken
concomitantly.
Caution is recommended with concomitant use of CNS depressants.
Caution in epileptic patients and patients at risk of convulsions is recommended.
The use of the film-coated tablet formulation is not recommended in children aged less than 6 years
since this formulation does not allow for appropriate dose adaptation.
Allergy skin tests are inhibited by antihistamines and a wash-out period (of 3 days) is required
before performing them.