Tenoretic (atenolol/chlorthalidone) Dosage and Side Effects
TENORETIC is used to treat high blood pressure (also known as hypertension) in adults. TENORETIC contains two active ingredients: atenolol and chlorthalidone. Each active ingredient reduces blood pressure in a different way.
Warnings and Precautions
Do not stop taking TENORETIC suddenly. This could cause chest pain or a heart attack. If your doctor decides that you should stop taking TENORETIC, your dose may be reduced so that you need to use it less and less before you stop the medication completely.
Tell your doctor if you are going into the hospital for an operation. If you go into the hospital, let the medical staff know and in particular the anaesthetist (if you are having an operation) that you are taking TENORETIC.
Driving and using machines:
Before doing tasks that require special attention, wait until you know how you respond to TENORETIC.
You may notice that your pulse rate becomes slower while taking TENORETIC. This is normal but if you are concerned, please talk to your doctor about it.
Tell your healthcare professional about all the medicines you take, including any drugs, vitamins, minerals, natural supplements or alternative medicines.
These are not all the possible side effects you may feel when taking TENORETIC. If you experience any side effects not listed here, contact your healthcare professional.
Side effects may include:
- cold fingers and toes
- dry mouth
- joint and back pain
- trouble sleeping
Interactions with this medication
The following may interact with TENORETIC:
- drugs used for lowering blood pressure or treating angina:
- beta-blockers (such as clonidine)
- calcium channel blockers (such as verapamil, diltiazem or nifedipine)
- catecholamine-depleting drugs (such as reserpine or guanethidine)
- drugs used to treat irregular heartbeats (such as disopyramid or amiodarone)
- drugs used to treat heart failure (such as digoxin)
- non-steroidal anti-inflammatory agents (NSAIDs) (such as indomethacine or ibuprofen)
- anesthetic drugs used during surgery
- alcohol, sleeping pills (barbiturates) or strong pain medications (narcotics)
- norepinephrine, a heart stimulant
- lithium, a drug used to treat certain psychiatric disorders
- tubocurarine, a drug used to relax the muscles during surgery
- fingolimod, a drug used to treat multiple sclerosis
Proper Use of this medication
- exactly as prescribed by your doctor.
- by swallowing the tablet whole with water.
- once a day, at the same time each day.
Your doctor will decide how much TENORETIC you should take each day depending on your condition.
If you have the impression that the effect of TENORETIC is too strong or too weak, talk to your doctor or pharmacist as soon as possible.
Do not stop taking TENORETIC or change your dose without consulting your doctor. This can be dangerous.
Usual adult dose:
One tablet per day.
If you think you have taken too much TENORETIC, contact your healthcare professional, hospital emergency department or regional Poison Control Centre immediately, even if there are no symptoms.
If you miss a dose, take the dose as soon as you remember. Do not take a double dose to make up for the missed dose.