COVID-19 travel regulations for those living with blood Clots
Did you know that blood clots affect more than 60,000 people every year? If you’re one of the 60,000 people affected, you may be left wondering whether you can fly with a blood clot. While your risk of developing DVT or PE while flying is elevated, it doesn’t mean a holiday is compleatly out of the question….
With regards to the ongoing COVID-19 pandemic, those who have blood clots, such as deep vein thrombosis (DVT) or pulmonary embolism (PE), are not associated with an increased risk of acquiring COVID-19.
However, it is important that you follow advice on how to stay safe and keep up-to-date with the latest travel advice from the Foreign, Commonwealth & Development Office (FCDO).
This guide provides you with information about flying with a blood clot as well as some useful COVID-19 travel-related resources to help you travel with confidence.
COVID-19 related travel guides
Before you fly with a blood clot – understand what a blood clot is
Blood clots are vital to our bodies’ healing process – helping to stop bleeding after an injury.
In the majority of cases, the body breaks them down once the wound has healed and re-absorbs the matter. However, problems can begin when this does not happen.
A blood clot, medically known as a thrombosis, can occur in arteries and veins – and in the heart, brain, lungs, abdomen arms and legs. The real danger occurs when a clot breaks loose and travels through the bloodstream, interrupting the normal flow of blood through the body.
Sitting still for long periods – such as during long flights – can cause changes in blood circulation and can increase the risk of a clot.
Which is why the following preparations are so important when it comes to flying with a blood clot.
How soon after surgery can you fly?
This varies from patient to patient and it’s essential that you discuss this with your doctor. Particularly if you’ve previously had a clot, recently had surgery or have an existing circulatory condition.
If you’re on a blood-thinning medication, the risks are already lowered and you can be hopeful of being cleared fit to travel. Some airlines may request proof that you are fit-to-fly by asking for a Fit-to-Fly Certificate.
Once you have the ok, make sure you’ve got enough medication for the duration of your trip.
How do you minimise the risk of a blood clot?
Here are some tried and tested tips recommended by medical professionals!
- Prepare your hand luggage: Have you got your medicine? Be sure to take any prescribed medicine before you fly. And what about flight socks and a tennis ball? (see below)
- Choose your seat carefully: Consider reserving an aisle seat or pay that little extra for a seat with more leg room
- Tell the airline: Let your carrier know about your condition and that you will need to move around regularly while airborne as a result. Do so in advance, but also remind the crew before you board
- Choose the right clothes: That means loose-fitting items to ensure your blood flow is not restricted. This includes your choice of footwear!
In the air
- >Wear flight socks: Also known as compression stockings, they reduce the risk of DVT. But be sure to get the right size, weight and fit for you. And try not to cross your legs!
- Exercise: Yes, even while you’re in flight! It is unwise to remain seated for the duration of your flight and taking a toilet break is not enough… Walk around at least once an hour or stand for periods of time. Also, make the most of the extra leg room you paid for and do stretching exercises. These stretches can include flexing the calf muscles, stretching thigh muscles and curling and stretching your toes.
- Drink lots of fluids: This does not include alcohol, which can dehydrate and increases the risk of your blood thickening. There will be time for that glass of wine or beer at your destination! Instead, drink plenty of water instead to keep hydrated.
- Massage your muscles: Take a tennis ball to massage your leg muscles by pushing it into your thigh and rolling it up and down your leg. Doing so will help promote circulation.
Who is susceptible to blood clots?
Blood clots can cause problems for anyone, but certain people are particularly at risk.
Key factors include…
If there is a history of strokes in your family or any close relatives, think about checking with your doctor if your genetics put you at any greater risk.
Those who’ve had surgery on the legs or pelvic area, and required bed rest are at a greater risk. The reason surgery in general can cause a blood clot, is that large blood vessels can be damaged during surgery.
In taking tobacco leads to slower blood flow through the body and a thickening of the blood.
Inevitably, being pregnant places extra pressure on the veins in the pelvis and legs, increasing the clot risk. This remains for around six weeks after birth.
People with cancer
Certain cancers can cause tissue damage that triggers clotting. Some types of chemotherapy also make clotting more likely.
Patients taking certain medicines
The main risk if from any medicine containing sex hormones, which includes the contraceptive pill and Hormone Replacement Therapy (HRT).
As with pregnancy, carrying increased weight places pressure on the veins in the legs and pelvis, thus increasing the risk of clotting.
People living with Inflammatory Bowel Disease
This particularly applies to endurance athletes, such as triathletes and marathon runners, who get clots more easily due to injury and dehydration.
What type of blood clots are there?
- Arterial clots: They form in the arteries, the large vessels that pump blood away from the heart. Symptoms can present immediately and arterial clots are most common in your legs, feet, heart and brain.
- Venous clots: They form in the veins, usually over time. As a result of this, the symptoms can take time to be felt and are often mistaken for something else. There are three different venous clots – Deep Vein Thrombosis (DVT), Superficial Venous Thrombosis (SVT) and a Pulmonary Embolism (PE).
- SVT: These form in a vein near the skin surface and can be painful, but generally do not break loose, so are less dangerous.
- DVT: A blood clot that forms deep in your body, often in the leg, pelvis or thigh.
- PE: This is a DVT that breaks free and travels through your body to the lungs, where it sticks. A pulmonary embolism can be life-threatening and urgent medical help should be sought.
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COVID-19 Blood Clot Mythbuster
According to HRI, ‘there is mounting evidence COVID-19 causes abnormalities in blood clotting. Patients with severe COVID-19 infection appear to be at greater risk of developing blood clots in the veins and arteries’.
However, Thrombosis UK state that ‘Although D-dimer levels are elevated in most patients with blood clots, D-dimer levels also are elevated in many other disorders including infection. Therefore, an elevated D-dimer level in patients with COVID-19 infection alone is not evidence that they have a clot’.
COVID-19 related travel recommendations for those able to fly with a blood clot
If you are able to fly with a blood clot, you’ll need to take a few extra items with you in order to stay safe and protect others following the ongoing COVID-19 pandemic.
A face covering
Following the outbreak of the COVID-19 pandemic, you are now expected to wear a face mask in public spaces. Click here for more information on face coverings.
Washing your hands is one of the simplest ways you can protect yourself and others from Coronavirus (COVID-19). Click here for more information on hand washing.
However, when flying it may not always be possible to wash your hands as frequently. Antibacterial gel works in a similar way to soap, inactivating the virus by breaking down the lipid layer.
You’ll need an antibacterial gel that’s at least 60% alcohol concentration. Click here for more information on hand cleansers.
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The information in this blog post is not intended to replace professional medical advice. It is a general overview of a broad medical care topic. Blog posts are not tailored to one person’s specific medical requirements, diagnosis or treatment. If you do notice symptoms or you require medical advice, you should always consult your doctor or healthcare provider to obtain professional medical help. Read through our disclaimer for more information.