Terazosin is used on its own or together with other medicines to help keep your blood pressure under control. It lowers the blood pressure by relaxing the blood vessels.
This medicine is also used to treat enlargement of the prostate.
Take Terazosin exactly as directed by your doctor or according to the instructions on the label. Do not take more or less than instructed by your doctor.
You may take this medicine with or without food. Try to take it the same time each day.
Continue taking Terazosin even when you feel better. Do not stop taking this medicine unless instructed by the doctor.
Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and return to your normal dosing schedule.
DO NOT double a dose under any circumstances.
If you often forget to take your medicine, let your doctor and pharmacist know.
Alert your doctor if you have history of fainting after urination as Terazosin may not be suitable for you.
Inform your doctor if you have the following conditions:
- male impotence (inability to maintain an erection)
- heart problems
- liver disease
Let your doctor know if you are pregnant or breastfeeding.
Why is it important to keep my appointments with the doctor?
Keep your appointments with your doctor. Your blood pressure may rise to unsafe levels without you noticing it. Your doctor needs to monitor your condition and check your response to the medication regularly.
What lifestyle changes can I make to improve my blood pressure?
Regular exercise and eating a healthy diet will help lower your blood pressure and improve your overall health. Engage in physical activity (e.g. walking) at least 30 to 60 minutes on most days of the week. If you have not exercised for a long time, start with light exercises such as slow walks. Speak to your doctor about what type of exercise would be suitable for you. Follow a healthy diet plan by eating more fruits, vegetables, whole grains and low-fat dairy products and reduce your intake of foods high in saturated fat, cholesterol and sodium. Cutting down on deep-fried foods and using less salt when cooking can kick-start your healthy diet.
If you smoke, you should try to quit. Smoking is harmful to your blood pressure, heart and overall health. Speak to your doctor or pharmacist about ways to kick your smoking habit.
Try to keep stress levels under control as stress will cause your blood pressure to go up.
Terazosin may make you drowsy or dizzy. If affected, do not drive or take part in any activity in which you need to be alert.
You may also feel dizzy when getting up from a sitting or lying down position, especially if you are taking this medicine for the very first time. This is common and should improve gradually as you get used to Terazosin. It will help if you get up slowly from a sitting or lying down position. If you are taking this medicine for the very first time, take the first dose of Prazosin at bedtime to minimise dizziness.
Other side effects may include any of the following: priapism (persistent and painful erection of the penis), swelling of the ankles, inability to empty the bladder and urinate, feet or hand, palpitations, nervousness, blurred vision, and rash.
Inform your doctor if any of these side effects do not go away or are severe, or if you experience other side effects.
Inform your doctor and pharmacist if you are taking any of these medicines:
- medicines for sexual dysfunction e.g. sildenafil, tadalafil
- medicines for heart disease e.g. verapamil
- medicines for high blood pressure e.g. captopril, diltiazem, doxazosin
- medicines for water retention or water pills e.g. hydrochlorothiazide, furosemide
This list does not include all medicines that may interact with Terazosin.
Always notify your doctor or pharmacist if you are taking any other medicines, including herbal tonics such as traditional Chinese medicines, supplements and medicines that you buy without a prescription.
Avoid alcohol.
Store in a cool, dry place away from the reach of children.
Medicines must not be used past the expiry date.
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