Do you have a problem where even a small cut doesn't stop bleeding , or just your gums bleed? Your doctor may have told you that you have a condition called von Willebrand disease (vWD). This is a condition in which the body lacks an important protein that helps our blood clot . So when such people start bleeding, it's a little difficult to stop it. Today, we're going to talk about a special vaccine that's used in such cases.
What actually happens with this vaccine?
The name of this vaccine is von Willebrand Factor. Simply put, it provides you with the protein (von Willebrand factor) that your body is lacking in, which helps your blood clot.
Think about it, when we build a wall, we need cement to hold the bricks together. Without cement, the wall wouldn't be built. Similarly, this protein acts like cement when our blood clots. A person with von Willebrand disease has very little of this "cement" in their body. So when they get hurt, the bleeding doesn't stop. What this vaccine does is to give the body that little "cement," that is, the protein, and help stop the bleeding . This can prevent bleeding and control bleeding that is already happening.
Things you need to tell your doctor before taking this medicine
It is very important to tell your doctor about your complete health history before using this vaccine. In particular, you should tell them about:
- Allergies : Tell your doctor if you have any allergies to von Willebrand factor, another blood clotting protein called Factor VIII , to substances derived from mice or hamsters, to other medications, foods, dyes, or preservatives.
- Pregnancy and breastfeeding : If you are pregnant, trying to become pregnant, or breastfeeding , tell your doctor before starting this medication.
- About Inhibitors: Sometimes our bodies start to work against proteins given to us from outside. This is called inhibitors . If you have been told by a doctor before that you have such a condition, you should definitely mention it.
How is this vaccine used?
This medicine is given as an injection into a vein . This is usually given by medical staff in a hospital or clinic. However, in some cases, after receiving the necessary training, you may be able to give yourself this injection at home.
Important: If you have to use this vaccine at home, you will be taught how to prepare and inject it. You must follow those instructions exactly.
How do you dispose of used needles and syringes?
This is very important. Never throw used needles and syringes in the trash. There is a special container for them called a "sharps container." If you don't have one, ask your healthcare team about how to get one. These can be dangerous to others if they are not disposed of properly.
What to do if the medication dose increases?
If you think you have taken more than the recommended dose, you should take immediate action. In such a case, go to the nearest hospital Emergency Department (ETU) as soon as possible. Or call the National Poisons Information Centre at the Colombo National Hospital for advice.
What if I miss a dose?
- If you are taking your medication at a hospital or clinic: If you are unable to attend on your scheduled date, call your medical team and let them know. Never skip a scheduled dose.
- If you are taking the medicine at home: If you miss a dose, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and take the next dose at the scheduled time. Never take a double dose. If you are unsure, talk to your doctor.
What are the possible side effects?
Like any medicine, this vaccine can cause some side effects. However, not everyone gets them. It is important to be aware of these.
| Type of side effect | Characteristics |
|---|---|
| Serious side effects that you should report to your doctor immediately | |
| Allergic reactions | Skin rash, itching, swelling of the face, lips, tongue or throat, difficulty breathing. |
| Blood clot | Leg pain, swelling or warmth, difficulty breathing, chest pain. |
| Side effects that are usually nothing to worry about, but should be reported to your doctor if they persist | |
| Headache and dizziness | Headache, feeling dizzy. |
| Vomiting and nausea | Nausea and vomiting. |
| Joint pain | Joint pain. |
If you experience any other unusual symptoms not mentioned in this list, please inform your doctor about them as well.
How do I store this medicine?
To maintain the quality of medicine, it is essential to store it correctly.
- Keep away from children and pets.
- Store in the refrigerator or at room temperature below 30 degrees Celsius (30°C). Never store in the freezer.
- Keep in the original package until use.
- Protect from sunlight and light.
- Never use expired medication. Ask your medical team how to safely dispose of expired or no longer needed medication.
It's a good idea to wear a medical ID card or bracelet with your medical information on it. It can be a big help to those treating you in an emergency.
Take-Home Message
- The von Willebrand Factor vaccine is a medicine that restores a protein that is lacking in the body and helps control bleeding caused by von Willebrand disease.
- Before taking the medication, be sure to tell your doctor about all your allergies, whether you are pregnant, breastfeeding, and any other medical conditions.
- If you use the vaccine at home, safely dispose of used needles and syringes in a "sharps container." Do not throw them in the regular trash.
- If you develop symptoms of a severe allergy (allergy) or blood clot (swelling of the legs, chest pain), seek medical advice immediately.
- If you have any questions or doubts about this medicine, ask your doctor directly, rather than asking others.
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