This may cause drowsiness. If affected, do not drive or operate machinery. Avoid taking alcoholic drink.
Use with caution in patients with epilepsy, prostatic hypertrophy, glaucoma, hepatic disease, hypertension, heart disease, diabetes, hyperthyroidism, patients with stenosing peptic ulcer, pyloro-duodenal obstruction or bladder neck obstruction, unless under the medical advice and supervision.
If symptoms do not improve within one week or accompanied with high fever, consult a physician before continuing use.
As with any other drugs, use in pregnancy is best avoided.