They include amitriptyline , sodium valproate and gabapentin , and may have different side effects. Topiramate can also be used to prevent migraines. But topiramate has not been officially approved for migraine for children under the age of Tell your doctor that you're taking atenolol if you're going to be put to sleep using general anaesthetic or you're having any kind of major operation.
Your doctor may advise you to stop taking atenolol for 24 hours before surgery. This is because atenolol can lower your blood pressure too much when it's combined with some anaesthetics. Drinking alcohol can increase the blood pressure-lowering effect of atenolol, which can make you feel dizzy or lightheaded. During the first few days of taking atenolol or after an increase in your dose, it's best to stop drinking alcohol until you see how the medicine affects you.
If you find atenolol makes you feel dizzy, it's best to stop drinking alcohol. Eating a healthy, balanced diet can help if you have high blood pressure or another heart condition. But some types of hormonal methods of contraception, like the combined pill and contraceptive patch , are not usually recommended for women with high blood pressure.
It's unlikely that atenolol affects fertility in men or women. But there's not enough evidence to say for certain. If you're trying for a baby or having problems getting pregnant while on atenolol, speak to your doctor. Some people on atenolol say their sex drive goes down, and some men find they cannot get an erection. But this is not a common side effect and there's not enough evidence to say for sure that atenolol is causing it. You do not need to stop playing sports if you take atenolol.
But do not push yourself too much. Regular exercise is good for you because it lowers blood pressure by keeping your heart and blood vessels in good condition. Be aware, though, that in some sports atenolol is not allowed if you're competing at a high level.
Atenolol can make some people feel dizzy, especially when you first start taking it or after taking a bigger dose. If this happens to you, do not drive a car, ride a bike, or use tools or machinery until you feel better. If you have heart problems, you can boost the health of your heart by making some key lifestyle changes.
These will also help if you have high blood pressure. There are a number of things you can do to help prevent migraines. This includes working out what things trigger an attack so you can avoid them.
Page last reviewed: 19 March Next review due: 19 March Atenolol On this page About atenolol Key facts Who can and cannot take atenolol How and when to take it Side effects How to cope with side effects Pregnancy and breastfeeding Cautions with other medicines Common questions. About atenolol Atenolol belongs to a group of medicines called beta blockers. This medicine is only available on prescription. Help us improve our website Can you answer a quick question about your visit today?
Atenolol slows down your heart rate and makes it easier for your heart to pump blood around your body. It can make you feel dizzy, sick or tired, or give you constipation or diarrhoea. These side effects are usually mild and short-lived. Your very first dose of atenolol may make you feel dizzy, so take it at bedtime. After that, if you do not feel dizzy, you can take it in the morning. Atenolol is known by the brand name Tenormin.
Other brand names include Tenif for atenolol mixed with nifedipine and Co-tenidone atenolol mixed with chlortalidone. To make sure it's safe for you, tell your doctor before starting atenolol if you have: had an allergic reaction to atenolol or any other medicine in the past low blood pressure or a slow heart rate serious blood circulation problems in your limbs such as Raynaud's phenomenon , which may make your fingers and toes tingle or turn pale or blue metabolic acidosis - when there's too much acid in your blood lung disease or asthma Tell your doctor if you're trying to get pregnant, are already pregnant or breastfeeding.
You'll usually take atenolol once or twice a day. It's a good idea to leave 10 to 12 hours between doses if you can. Dosage How much you take depends on why you need atenolol. How to take it Atenolol does not usually upset your tummy, so you can take it with or without food. Swallow the tablets whole with a drink of water. What if I forget to take it? If you often forget doses, it may help to set an alarm to remind you. What if I take too much? Side effects often improve as your body gets used to the medicine.
Common side effects These common side effects happen in more than 1 in people. Talk to your doctor or pharmacist if these side effects bother you or last more than a few days: feeling sleepy, tired or dizzy cold fingers or toes feeling sick nausea diarrhoea constipation Serious side effects It happens rarely, but some people have serious side effects when taking atenolol.
Tell a doctor straight away if you have: shortness of breath with a cough that gets worse when you exercise like walking up stairs , swollen ankles or legs, chest pain, or an irregular heartbeat - these can be signs of heart problems trouble breathing, cold sweats and sudden, sharp chest pain that gets worse when you cough or take deep breaths - these can be signs of lung problems a fast heart rate, a high temperature, trembling and confusion - these can be signs of a thyroid problem Serious allergic reaction In rare cases, atenolol may cause a serious allergic reaction anaphylaxis.
Information: You can report any suspected side effect using the Yellow Card safety scheme. Atenolol - a beta-blocker Tenormin In this article About atenolol Before taking atenolol How to take atenolol Getting the most from your treatment Can atenolol cause problems? Common atenolol side-effects these affect less than 1 in 10 people What can I do if I experience this?
Feeling sick nausea or being sick vomiting , stomach upset Stick to simple foods and drink plenty of water Feeling dizzy, tired or light-headed Getting up and moving more slowly may help.
If you begin to feel dizzy, lie down so that you do not faint, then sit for a few moments before standing. This often improves after the first week or two, but if it continues, speak with your doctor. If affected, do not drive and do not use tools or machines until you feel better Cold fingers or toes, a slow heartbeat, sweating Speak with your doctor if any of these become troublesome.
If you have any questions about this medicine ask your pharmacist. Are you protected against flu? Further reading and references. Join the discussion on the forums. Health Tools Feeling unwell? Assess your symptoms online with our free symptom checker. Start symptom checker. Common atenolol side-effects these affect less than 1 in 10 people.
Also, newborns of mothers who took atenolol at the time of birth may be at risk of hypoglycemia lower than normal blood sugar levels and bradycardia slower than normal heartbeat. If you take atenolol and are considering having a baby, or if you are pregnant, talk to your doctor right away. Atenolol is not the only medication that treats high blood pressure. Other drugs have fewer adverse effects during pregnancy and breastfeeding. Your doctor will be able to tell you if a different drug or a dose adjustment is an option for you.
For women who are breastfeeding: Atenolol is absorbed into breast milk and could be passed to a child who is breastfed. Newborns who breastfeed from mothers who take atenolol are also at risk of hypoglycemia and bradycardia. All possible dosages and drug forms may not be included here.
Your dosage, drug form, and how often you take the drug will depend on:. This medication has not been studied in children.
It should not be used in children under the age of 18 years. There are no specific recommendations for senior dosing. Older adults may process drugs more slowly. A typical adult dosage may cause levels of the drug to be higher than normal in your body. When this drug is used after a heart attack, the dosage is highly individualized. It depends on the cause and the effects of the heart attack. Your doctor will monitor your blood pressure and how your heart is responding, and may adjust your dosage.
This drug is often started in the hospital. Atenolol is often dosed at mg per day, given once a day or in two divided doses. The dosage is gradually adjusted if needed. For seniors: Seniors may need a smaller dosage of atenolol at first because they can be more sensitive to the way medications act in their body.
Also, as people age, they sometimes have a harder time clearing drugs from their body. After a low initial dosage, their dosage may then increase gradually.
For people with kidney disease: Kidney disease can make it more difficult for you to clear this drug from your body. Having kidney disease may affect your dosage. Talk to your doctor about the best dosage for you.
However, because drugs affect each person differently, we can not guarantee that this list includes all possible dosages. Always speak with your doctor or pharmacist about dosages that are right for you. Atenolol oral tablet is used for long-term treatment. If you stop taking it suddenly: If you suddenly stop taking atenolol for high blood pressure, chest pain, or after a heart attack, you raise your risk of heart attack.
Your blood pressure might fluctuate too often. That might increase your risk for a heart attack. If you miss a dose: If you miss a dose, just take the next dose as planned. How to tell if the drug is working: You can tell that atenolol is working if it lowers your blood pressure. Because atenolol can lower blood pressure, your doctor may ask that you periodically check your blood pressure while taking it. In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do.
This is a decision you and your doctor will make. For this medicine, the following should be considered:.
Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully. Appropriate studies have not been performed on the relationship of age to the effects of atenolol in the pediatric population.
Safety and efficacy have not been established. Appropriate studies performed to date have not demonstrated geriatrics-specific problems that would limit the usefulness of atenolol in the elderly.
However, elderly patients are more likely to have age-related liver, kidney, or heart problems, which may require caution and an adjustment of dosage in patients receiving atenolol. There are no adequate studies in women for determining infant risk when using this medication during breastfeeding.
Weigh the potential benefits against the potential risks before taking this medication while breastfeeding. Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur.
In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines. Using this medicine with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you.
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco. The presence of other medical problems may affect the use of this medicine.
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