If symptoms persist for more than 7 days, patients should seek medical attention.
This product can cause drowsiness, dizziness, or blurred vision. Patients should be advised not to drive or operate machinery if affected by dizziness.
Medical advice should be sought before this medication is taken by patients with these conditions: Liver or kidney problems, high blood pressure, heart disease or blood vessel disease such as Reynaud's phenomenon, diabetes or an active thyroid; Glaucoma; Pheochromocytoma; Prostate problems or difficulty urinating; Epilepsy (fits); Asthma, bronchitis or chronic lung disorders.