Contraindications- hypersensitivity (allergy) to the active ingredient or other ingredients of the drug
- hypersensitivity (allergy) to antihistamines
- acute asthma attack
- angle-closure glaucoma
- congenital long QT syndrome
- pheochromocytoma
- prostatic hypertrophy with obstructed urine outflow
- acute intoxication with alcohol, sedatives, analgesics, or psychotropic drugs (neuroleptic agents, antianxiety agents, antidepressants, lithium medications)
- alcohol abuse
- epilepsy
- treatment with monoamine oxidase inhibitors
- children and adolescents <18 years of age
- pregnancy and lactation
- hepatic disorders.