The dosing time of Tamsulosin needs to strictly follow the doctor’s instructions, and it is generally recommended to take it after meals. Tamsulosin is a kind of used to relieve prostate hyperplasia caused by frequent urination, urinary difficulties, nocturia increased urinary disorders, also adapted to not serious urinary disorders, if the patient taking the drug on an empty stomach may aggravate the adverse reaction, so it is recommended to take after meals can relieve the discomfort symptoms. It should be noted that the use of tamsulosin drug allergy is prohibited, as well as postural hypotension patients, renal insufficiency of elderly patients should be used with caution. And patients may experience dizziness, nausea, skin rash and other adverse reactions after taking. Tamsulosin is a prescription drug, must be prescribed by a doctor according to the condition to get the drug, not unauthorized use, in order to avoid the use of improper medication, and adverse reactions.