Do you sometimes feel short of breath, a tightness in your chest, or a feeling of fatigue more quickly than usual when you are a little tired? These can sometimes be symptoms of a heart problem. Today we are going to talk about a special medicine that is given for such a condition, especially a disease caused by a thickening of the heart muscle. That is a medicine called Mavacamten.
What is this Mavacamten (Camzyos)?
Simply put, Mavacamten is a medication that treats Obstructive Hypertrophic Cardiomyopathy, a condition caused by thickening of the muscle in your heart. The brand name for this is Camzyos.
Think about it, your heart is the main motor that pumps blood throughout our body. In some people, the walls of this heart, that is, the muscles, become too thick. When this happens, the heart becomes too tight and constricted, and there is not enough room to pump blood to the body. It's like having difficulty getting through a narrow door in a crowd. This is why symptoms such as shortness of breath, fatigue, and chest pain appear.
Mavacamten works by relaxing the thickened heart muscle, helping the heart pump blood more easily. This can reduce your symptoms and help you carry out your daily activities more easily.
Things you need to tell your doctor before taking this medicine
This is very important. Before you start taking Mavacamten, you should talk to your doctor very openly. Be sure to mention these things in particular.
- Infections: If you have any infections, such as a fever or cold, please tell us about them.
- Heart problems: If you already have an irregular heartbeat or other heart condition.
- Allergies: If you have an allergy to Mavacamten or any other medicine, food, or preservative.
- Pregnancy: This is extremely important if you are pregnant, trying to get pregnant , or have even the slightest doubt about it. We will talk about this in more detail.
- If you are a breastfeeding mother: You should also tell the doctor if you are breastfeeding your baby.
Remember, the more your doctor knows about you, the safer he or she can treat you. So don't hide anything.
How should I use the medicine?
The method of using this medicine is very simple, but it is very important to follow the instructions exactly.
- This comes in the form of a capsule . Swallow it whole with a glass of water.
- Never break, crush, or chew this capsule. It is designed to dissolve in the body in a specific way.
- Try to take your medicine at the same time every day. It's a good idea to set an alarm on your phone.
- You can take it before or after meals. However, if you experience stomach upset, take it with food.
- Continue taking this medicine until your doctor says, "Enough, stop." Do not stop suddenly.
What to do if the dose of the medicine is increased (overdose)?
If you think you have taken too much medicine, call the National Poisons Information Centre at the Colombo National Hospital immediately. Otherwise, go to the nearest hospital Emergency Department (ETU) without delay.
What if I forget to take my medicine?
Take the missed dose 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 two doses at the same time to make up for the missed dose.
Other drugs that may interact with Mavacamten (Drug Interactions)
This is a very important point. Mavacamten is a drug that can interact with many other medications. Therefore, you should tell your doctor about all the medications you are taking. That means not only the medications prescribed by your doctor, but also everything you buy from the pharmacy, such as painkillers, vitamins, Ayurvedic medicines, traditional medicines, and dietary supplements.
The table below contains some of the medicines that may interact with Mavacamten. This is not a complete list.
| Reaction type | Examples (these are not a complete list) |
|---|---|
| Never take Mavacamten with this medicine. | Medicines like Diltiazem, Verapamil, Ketoconazole, Rifampin, Fluoxetine, Esomeprazole, Paritaprevir, Ranolazine and many more. |
| These medications can also have side effects. | Birth control pills, some medications for high blood pressure, medications like Omeprazole and Tolbutamide. |
Things to be especially careful about while taking the medicine
Pregnancy and birth control
This is extremely important: Avoid getting pregnant completely while taking Mavacamten. Also, avoid getting pregnant for 4 months after stopping the medication.
This is because this medicine can cause serious harm to an unborn baby. Hormonal birth control pills may be less effective while taking Mavacamten. Therefore, you should definitely use a non-hormonal form of birth control (such as condoms). Talk to your doctor about this and choose the safest method that suits you.
Side Effects
As with any medication, there are potential side effects, some of which should be reported promptly.
| Side effect | What to do? |
|---|---|
| Symptoms that should be reported to the doctor immediately | |
| Allergic reactions: skin rash, itching, swelling of the face, lips, tongue or throat. | Go to a hospital for treatment immediately. |
| Symptoms of heart failure: shortness of breath, swelling of the ankles, feet, or hands, sudden weight gain, and feeling unusually tired or weak. | Notify your doctor immediately or go to the ETU. |
| Symptoms that are usually not serious, but should be reported to the doctor if they persist | |
| Dizziness (vertigo) | If these persist or are bothersome, tell your doctor. |
| Fainting, lifelessness | If these persist or are bothersome, tell your doctor. |
How do you store and dispose of medication?
- Keep it in a safe place out of reach of children and pets .
- Store at room temperature (between 20-25 degrees Celsius). Keep away from excessive heat and moisture.
- Do not use expired medicine.
- Ask your doctor or hospital how to dispose of unused or expired medications. They may advise you to remove the medication from the capsule, mix it with something like coffee grounds or soil, put it in a bag, and seal it before throwing it in the trash.
Take-Home Message
- Mavacamten is a medicine prescribed only for you by your doctor. Never share it with others.
- Follow your doctor's instructions exactly. Take the prescribed dose at the prescribed time. Do not stop taking it suddenly.
- Give your doctor a complete description of all other medications, vitamins, and Ayurvedic medicines you are taking.
- Most important: Avoid getting pregnant while taking this medicine and for 4 months after stopping. Talk to your doctor about safe birth control methods.
- If you experience any serious side effects such as difficulty breathing or swelling of the body, seek medical advice immediately.
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