Alcohol consumption. Patients w/ predisposing factors of urinary retention (eg, spinal cord lesion, prostatic hyperplasia); hepatic & renal impairment; epilepsy or risk of convulsion. Pruritus may occur. Inhibited response to allergy skin tests. Pregnancy & lactation. Elderly w/ moderate to severe renal impairment.
Tab: Childn <6 yr. Galactose intolerance, Lapp lactase deficiency or glucose-galactose malabsorption.
Oral drops: Hypersensitivity to methyl parahydroxybenzoate & propyl parahydroxybenzoate. Infants & childn <2 yr.