What is Tezspire?
Tezspire is a brand-name prescription medication used for the add-on maintenance treatment of severe asthma. It is approved for adults and adolescents aged 12 years and older. This medicine is a type of biologic drug called a monoclonal antibody. It specifically targets an immune protein involved in airway inflammation. Tezspire is not a rescue inhaler for sudden asthma attacks. Instead, it works over time to help control symptoms. It aims to reduce the frequency of severe asthma exacerbations (flare-ups). Patients use this medication alongside their other prescribed asthma treatments.
How does Tezspire work?
Tezspire works by targeting and blocking a key protein called thymic stromal lymphopoietin (TSLP). TSLP is an upstream cytokine (a signaling protein) in the body’s immune system. It plays a very early role in the inflammatory cascade that causes asthma symptoms. By blocking TSLP, Tezspire helps prevent the release of other inflammatory substances. This action reduces airway inflammation, swelling, and mucus production. Unlike treatments that only relax airway muscles, this medication addresses a root cause of the inflammation. This unique mechanism can help a broad range of patients with severe asthma.
Who is Tezspire for?
Tezspire is for adults and adolescents aged 12 and older who have severe asthma. It is intended for patients whose asthma is not well-controlled with their current medications. This often includes high-dose inhaled corticosteroids combined with another controller medicine. This medication is suitable as a long-term, add-on maintenance therapy. It can help reduce the number of severe asthma attacks. It also may improve lung function and overall quality of life. A doctor specializing in asthma will determine if this treatment is appropriate for a patient.
Dosage and administration
Tezspire is administered as a subcutaneous injection, meaning it is injected just under the skin. The standard dose is 210 mg given once every four weeks. A healthcare professional can give the injection. Patients or their caregivers may also be trained to administer it at home. It is important to follow the prescribed schedule closely. If you miss a dose, you should administer it as soon as possible. Then, you should continue with your regular monthly schedule. Do not stop taking your other asthma medications unless your doctor tells you to.
Side effects
Tezspire can cause side effects, though not everyone will experience them. The most common side effects include a sore throat, joint pain, back pain, and reactions at the injection site. These reactions may include redness, swelling, or itching. Some people may also experience upper respiratory tract infections like the common cold. Serious side effects are rare but possible. These can include a severe allergic reaction (anaphylaxis) with swelling and difficulty breathing. If you experience signs of a serious reaction, seek emergency medical help immediately. Always discuss potential risks with your doctor.
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Common Side Effects:
- Sore throat (pharyngitis)
- Joint pain (arthralgia)
- Back pain
- Injection site reactions (redness, swelling, or itching)
- Upper respiratory tract infections (like the common cold)
Serious Side Effects:
Seek medical help immediately if you experience signs of a severe allergic reaction (anaphylaxis), such as:
- Swelling of the face, tongue, or throat
- Difficulty breathing or swallowing
- Hives, rash, or blistering skin
- Sudden worsening of asthma symptoms
What does Tezspire treat?
Tezspire is approved for the add-on maintenance treatment of severe asthma in adults and adolescents aged 12 years and older whose symptoms are not controlled by their current medications.
Typical symptoms of severe asthma include:
- Wheezing: A whistling sound when you breathe.
- Chest tightness: A feeling of pressure in the chest.
- Shortness of breath: Difficulty breathing during activity or rest.
- Night-time awakenings: Waking up due to asthma symptoms.
- Frequent flare-ups: Needing rescue inhalers or oral steroids often.
Tezspire is a long-term maintenance biologic. It is not an emergency treatment for acute asthma attacks.