
Como reduzir sua pressão arterial
Revisado por Dr Colin Tidy, MRCGPÚltima atualização por Lynn StephenÚltima atualização 22 Jan 2026
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Mais de 1 em cada 4 adultos tem pressão alta (hipertensão), uma condição que pode levar a danos nos rins, derrame e doenças cardíacas. É importante verificar sua pressão arterial regularmente. Mas se você já foi informado de que a sua está alta, estas dicas de estilo de vida podem ajudá-lo a reduzi-la.
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Why is high blood pressure dangerous?
More than 1 in 4 adults have pressão alta but you may not know as it is often symptomless.
High blood pressure is dangerous because it increases the chance of doença cardíaca, heart attack, strokes, doença renal, and vascular dementia.
Checking your numbers - which can be done at home with your own monitor, at some pharmacies, or as part of a consultation with your doctor - is the only way to know if it's in the healthy range.
GP Dr Jeff Foster explains that healthy blood pressure is desirable as it is the single most important modifiable risk factor in our lives.
He says: "Prolonged high blood pressure causes damage to the inner lining of your arteries which then allows plaques to form, furring up vessels and causing blockages. This is how people have heart attacks and strokes.
"High blood pressure can also weaken your arteries increasing the likelihood of rupture. If this occurs in the brain, it can lead to a haemorrhagic stroke.”
Although high blood pressure is usually unnoticed in everyday health, Foster reveals disfunção erétil (ED) can be a sign of hypertension.
"Once men have erectile dysfunction that is caused by damage to the arteries, it's estimated that within three years there is a significant chance of heart or stroke issues," he explains.
"It's a warning sign."
For this reason, men with ED should consult their doctor for an overall health check.
What is healthy blood pressure?
Voltar ao conteúdoA blood pressure reading consists of two figures. The higher number - called the systolic level - is a measure of the pressure inside your arteries when your heart is pumping blood out. While the lower figure -the diastolic level - measures the pressure inside your arteries when your heart rests between beats.
Defining what is 'healthy' is far harder than you might imagine.
For pretty much everyone, a blood pressure between 90/60 and 120/80 is healthy.
If your blood pressure is consistently above 140/90 in the GP surgery, you will be defined as having high blood pressure. However, it's extremely common to have individual readings above this level even if you have healthy blood pressure - it's only consistently high blood pressure that counts.
And to make matters more complicated still, if you have a 24-hour blood pressure reading with a monitor from your doctor, or if you're looking at your average readings at home, an average above 135/85 counts as high.
For many people, a blood pressure consistently between 120/80 and 140/90 isn't a cause for concern. However, for some people, this is a sign that they are susceptible to developing high blood pressure.
O que é considerado pressão alta?
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How to lower blood pressure naturally
Voltar ao conteúdoIf you have high blood pressure, or yours is heading in that direction, read on for tips for lowering it naturally. But if you are already on medicine for the condition, don't stop taking it without speaking with your doctor first.
Foster says: "We'd check someone's blood pressure after three to six months of lifestyle changes, to monitor any change."
Watch the salt
Foster says that we only need the tiniest amount of sal in our diets.
The recommended daily limit is around 5 grams. Much of this is already in food we eat, such as bread, cheese, processed meats, ready meals, and snacks such as crisps. Try to avoid adding salt at the table but add flavour with herbs and spices instead.
Perder peso
Being overweight is a key factor in high blood pressure. Even a small reduction of 10% of your body weight can make a difference.
Skip the nightcap
Álcool is a key factor in high blood pressure. Staying within the weekly limit of 14 units or fewer will help you maintain healthy blood pressure.
Exercício
Exercise is beneficial for health and especially good for lowering blood pressure if you do it regularly. Even walking briskly for 10 minutes a day will help.
Pare de fumar
Smoking causes damage to blood vessels and organs and is another key factor in high blood pressure.
Get your 5 a day
Adding more fibre to your diet in the form of fruit and vegetables will help your blood pressure and also reduce cholesterol. Aim for a minimum of five daily portions, and ideally more.
Sleep better
Problemas de sono can be detrimental to your health in the long term. There is evidence that lack of sleep or poor sleep quality can contribute to weight gain but also high blood pressure. Lifestyle changes such as reducing alcohol and caffeine in the evenings, and taking exercise can all help sleep quality.
What else can help lower blood pressure?
Voltar ao conteúdoFoster says that some people are predisposed genetically to high blood pressure. Radical lifestyle changes to weight and diet may help but not always.
Because high blood pressure increases the chances of so many illnesses, it's vital to control it.
Medicine is the next step and, for anyone with very high blood pressure, may be started immediately when they see their doctor.
But a one-off 'high' reading doesn't necessarily mean you have hypertension. If your blood pressure is high when you see your doctor, you may be suffering from 'white coat syndrome'. This is where the stress of having your blood pressure tested causes it to increase temporarily. Doctors understand this so they may take your blood pressure for a second time shortly afterwards.
Other options will include asking you to monitor it at home for a few days or they may supply you with a 24-hour blood pressure monitor. Once there is a clear picture of your blood pressure you may be prescribed drugs to control it.
Há um range of blood pressure medicines available. It's important to remember that these won't make you feel better in the short term, and may cause side-effects. However, they are an insurance policy against you having a catastrophic stroke, so it's very important not to give up on them without a discussion with your doctor.
It's a balance between controlling your blood pressure and reducing unwanted side-effects which can include tiredness, swollen ankles, or cough. If one drug causes side-effects, your doctor may be able to switch you to another. Your age, ethnicity, lifestyle, and any other health issues will be factors when your doctor chooses the right drugs.
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Prevenção
Voltar ao conteúdoHigh blood pressure is not inevitable in older age. Keeping regularly active, being a healthy weight, avoiding smoking, and eating a healthy diet are all factors that will help keep it within the healthy range.
If you buy an approved blood pressure monitor to use at home, Foster suggests using it every six months or so if your blood pressure is usually within the normal range. If you have any concerns, or you are a man experiencing erectile dysfunction, don't be embarrassed but see your doctor for a health check.
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por Lynn Stephen
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Histórico do artigo
As informações nesta página são revisadas por pares por clínicos qualificados.
Próxima revisão prevista para: 23 de jan de 2029
22 Jan 2026 | Última versão
7 Sept 2018 | Publicado originalmente
Escrito por:
Glynis Kozma

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