Serevent Inhaler (Salmeterol)
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Description
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Fact Table
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| Formula | C25H37NO4 |
| License | FDA approved |
| Bioavailability | Low systemic bioavailability due to inhalation route (minimal systemic absorption) |
| Legal status | Prescription Drug |
| Chemical Name | 4-Hydroxy-a1-[6-(4-phenylbutoxy)hexyl]-a1,ß-dihydroxy-1H-indole-2-methanol |
| Elimination half-life | ~5.5 hours |
| Dosage (Strength) | 25 mcg per inhalation (via metered-dose inhaler or dry powder inhaler) |
| Pregnancy | Use with caution; consult doctor (Category C) |
| Brands | Serevent Diskus |
| Protein binding | ~96% |
| PubChem CID | 5362116 |
| MedlinePlus | a601064 |
| ChEBI | 9088 |
| ATC code | R03AC12 |
| DrugBank | DB00938 |
| KEGG | D08310 |
| Routes of administration | Inhalation |
The Serevent inhaler is an asthma maintenance medication that is used ongoingly to reduce the frequency and severity of asthma attacks. It may also be prescribe for COPD (chronic obstructive pulmonary disease) or exercise-induced bronchospasm. Salmeterol is a long-acting B2 agonist bronchodilator drug that works to relax muscles around the airway so that it is less constricted and breathing is easier. You can buy the Serevent inhaler with a prescription here at Canpharm.
Directions
Standard dosage guidelines for this medication is to administer inhalations 2x daily, once in the morning and evening 12 hours apart
Follow instructions on how to use the inhaler that are provided with your prescription, and you will need to shake the inhaler well before use
For exercise-induced bronchospasm take inhalation at least 30 minutes before scheduled exercise
Ingredients
The active ingredient in the Serevent inhaler is Salmeterol
Cautions
Let your doctor know of any history of high blood pressure, heart problems, seizures, thyroid problems, liver dysfunction, thyroid disorder, diabetes, or brain or nervous system conditions before starting with the Serevent inhaler
For use with ages 4 and up
People who are lactose-intolerant or have other issue with milk proteins may not be suitable for using this medication
Do not use the Serevent inhaler generic to treat an asthma attack that has already begun
Interactions
Negative drug interactions may occur between Salmeterol and other Rx or OTC medications, including albuterol, beclomethasone, famotidine, fluticasone, formoterol, furosemide, metformin, prednisone, tramadol, and trazodone. Let your doctor know of all medications you are currently taking before getting a prescription and proceeding to buy Serevent inhaler online.
Side Effects
Serevent inhaler side effects may occur, and some users may experience headache, nasal congestion, sore throat, tracheitis, cough, or musculoskeletal pain. If side effects are seen you may want to discontinue use and meet with a doctor again to discuss asthma treatment medication alternatives and a pharmacist for a lower Serevent inhaler cost.
Frequently Asked Questions about Serevent Inhaler (Salmeterol)
What is Serevent Inhaler used for?
Serevent (salmeterol) is used to prevent and manage asthma symptoms and chronic obstructive pulmonary disease (COPD) by relaxing the muscles in the airways, making it easier to breathe.
How does Serevent Inhaler work?
Serevent is a long-acting beta-agonist (LABA) that works by stimulating beta receptors in the lungs, which relaxes bronchial muscles and opens up the airways, allowing for better airflow.
How should Serevent Inhaler be used?
Serevent Inhaler is typically used twice daily, as directed by your doctor. Inhale deeply and hold your breath for a few seconds after using the inhaler.
What are the side effects of Serevent Inhaler?
Common side effects include headache, throat irritation, muscle cramps, or nervousness. Serious side effects may include irregular heartbeats, chest pain, or worsening asthma symptoms.
How long does it take for Serevent Inhaler to work?
Serevent begins working within 30 minutes, with the maximum effect typically seen in 1–2 hours. The effects can last for up to 12 hours.
Who should not use Serevent Inhaler?
Serevent should not be used as a rescue inhaler for sudden asthma attacks. It is not suitable for individuals with severe asthma or those who have a history of heart disease, arrhythmias, or hypersensitivity to salmeterol.
Can Serevent Inhaler interact with other medications?
Yes, Serevent can interact with other medications, including other asthma treatments, beta-blockers, and medications affecting the heart. Always inform your doctor of all medications you're taking.
Can Serevent Inhaler cause worsening of asthma symptoms?
In rare cases, Serevent can cause worsening of asthma symptoms, especially if used alone without an inhaled corticosteroid. It is important to follow your doctor’s treatment plan.
How should Serevent Inhaler be stored?
Store the inhaler at room temperature, away from moisture, heat, and direct sunlight. Keep it out of the reach of children.
Can I stop using Serevent Inhaler suddenly?
Do not stop using Serevent suddenly without consulting your doctor. Stopping abruptly may cause a worsening of symptoms. Always follow your doctor's instructions for adjusting or discontinuing the medication.
