- Bestsellers
- Alcoholism
- COVID-19
- Allergy
- Anti Fungal
- Alzheimers
- Anti Viral
- Anti-Depressants
- Anti-Inflammatory
- Antibacterial
- Antiparasitic
- Antibiotics
- Arthritis
- Asthma
- Birth Control
- Blood Pressure
- Cancer
- Cardiovascular
- Cholesterol
- Diabetes
- Diuretics
- Erectile Dysfunction
- Eye Drop
- Gastro Health
- General Health
- Hair Loss
- Hepatitis C Virus (HCV)
- HIV
- Hormones
- Men's ED Packs
- Men's Health
- Mental Illness
- Motion Sickness
- Muscle Relaxant
- Pain Relief
- Parkinson’s Disease
- Veterinary Medicines
- Quit Smoking
- Vitamins
- Skin Care
- Sleeping Aids
- Weight Loss
- Women's Health
Generic Salbutamol ( Albuterol )
Salbutamol (albuterol) is a rapid-acting bronchodilator belonging to the short-acting beta₂-agonist (SABA) class. It is indicated for the relief of acute bronchospasm in patients with reversible obstructive airway disease, including asthma and chronic obstructive pulmonary disease (COPD), and for the prevention of exercise-induced bronchospasm. Salbutamol stimulates beta₂-adrenergic receptors in airway smooth muscle, leading to relaxation of bronchial walls, improved airflow, and rapid symptom relief. Salbutamol is intended for as-needed use and is not a substitute for maintenance anti-inflammatory therapy.
Usual adult dose: For acute bronchospasm, 1 to 2 inhalations (100 mcg to 200 mcg) as needed, every 4 to 6 hours. For prevention of exercise-induced bronchospasm, 2 inhalations (200 mcg) taken 15 to 30 minutes before exercise. The maximum total daily dose is generally 8 inhalations (800 mcg) in 24 hours. Patients should be advised to seek medical attention if symptoms persist, worsen, or require more frequent doses. Proper inhaler technique is essential; the canister should be shaken well before each use, and priming is required before first use or after a period of non-use.
Dosage form: Pressurized metered-dose aerosol inhaler (HFA) delivering 100 mcg of salbutamol (as sulfate) per actuation. Each canister provides 200 actuations.
Onset of action: Bronchodilation typically begins within 5 to 15 minutes of inhalation, with peak improvement in lung function occurring at 30 to 60 minutes.
Duration of action: The bronchodilator effect persists for 3 to 6 hours, supporting as-needed dosing at 4- to 6-hour intervals.
Alcohol recommendation: There is no known direct interaction between inhaled salbutamol and alcoholic beverages. However, alcohol may trigger or worsen gastroesophageal reflux, which can exacerbate asthma symptoms in some individuals. Moderation is advisable.
Most common side effects: Tremor, nervousness, headache, tachycardia, palpitations, throat irritation, and muscle cramps. These effects are usually mild and tend to subside with continued use. High doses or frequent use can cause hypokalemia and, rarely, paradoxical bronchospasm. Patients with pre-existing cardiovascular disease, hyperthyroidism, or diabetes should use with caution. Overuse signals inadequate control of the underlying disease; a healthcare professional should be consulted if the need for rescue inhalations increases. Salbutamol is not intended for maintenance therapy; all patients with persistent asthma should be on an appropriate anti-inflammatory controller medication.
Would you like to try Salbutamol (Albuterol) without a prescription?
Buy Generic Salbutamol (Albuterol) without prescription in Canada
At our pharmacy, you can buy Salbutamol without a prescription, with discreet and anonymous packaging delivered within 5-14 days across Canada.
What is Salbutamol?
Salbutamol, also known as albuterol in the United States, is a short-acting bronchodilator used to relieve and prevent bronchospasm in conditions like asthma and chronic obstructive pulmonary disease (COPD). It belongs to a class of drugs called beta-2 adrenergic agonists. When the muscles around the airways tighten, breathing becomes difficult. Salbutamol relaxes those muscles within minutes, opening the airways and making it easier to breathe. It is a rescue medication. You use it when you feel wheezing, shortness of breath, chest tightness, or before exercise to prevent exercise-induced bronchospasm. It does not treat the underlying inflammation. That is the job of controller medications like inhaled corticosteroids. If you need your salbutamol inhaler more than twice a week, your asthma is not well controlled, and you should see your doctor about adding a preventive treatment.
Salbutamol comes as a metered-dose inhaler, usually delivering 100 mcg per puff. The standard dose for acute symptoms is 1 to 2 puffs every 4 to 6 hours as needed. For exercise-induced bronchospasm, take 2 puffs about 15 to 30 minutes before activity. The effect begins within 5 to 15 minutes and lasts 4 to 6 hours. Salbutamol is available under several brand names in Canada, including Ventolin, Airomir, and generic salbutamol. All contain the same active ingredient and work the same way. The 100 mcg strength is the standard for all adult and pediatric formulations.
Mechanism and Pharmacology
Salbutamol binds to beta-2 adrenergic receptors on the smooth muscle lining the bronchial tubes. This binding activates an enzyme called adenylyl cyclase, which increases cyclic AMP inside the cell. Cyclic AMP triggers a cascade that lowers intracellular calcium and relaxes the muscle fibers. The airways widen quickly. Salbutamol also inhibits the release of bronchoconstricting mediators from mast cells in the lungs, adding to its rapid effect. Because it is selective for beta-2 receptors, heart side effects like a racing pulse are less pronounced than with older non-selective drugs, though they can still occur, especially at high doses.
After inhalation, about 10 to 20 percent of the dose reaches the lungs. The rest is deposited in the mouth and throat or swallowed. The swallowed portion is absorbed from the gut and metabolized by the liver, then excreted in urine. The half-life is about 4 to 6 hours. The rapid onset makes it ideal for rescue use, while the short duration means it will not keep you awake if taken in the evening. Salbutamol inhalers use hydrofluoroalkane (HFA) propellant, which is ozone-friendly and delivers a consistent fine spray. The 100 mcg per puff dose is the standard for all marketed products.
How to Use Salbutamol
Shake the inhaler well before every use. Remove the cap. If the inhaler is new or has not been used for 2 weeks, prime it by spraying 2 to 4 puffs into the air away from your face. Breathe out fully, away from the mouthpiece. Place the mouthpiece between your lips and seal them around it. Start breathing in slowly and deeply through your mouth, and at the same time press the canister firmly once. Keep breathing in as deeply as you can to pull the medicine into your lungs. Hold your breath for 10 seconds or as long as comfortable. Breathe out slowly. If you need a second puff, wait 30 to 60 seconds, shake the inhaler again, and repeat the steps.
Rinsing your mouth with water and spitting it out after using the inhaler is a good habit. It washes away any medicine left in the mouth and reduces the chance of a sore throat. A spacer device can make the technique easier, especially for children or anyone who finds the coordination tricky. Attach the spacer, spray one puff into the chamber, and inhale slowly over several breaths. Use salbutamol only when you need it. Do not take more than the prescribed amount. The maximum is usually 8 puffs in 24 hours, but check with your doctor. If you need more than this, or if your symptoms do not improve, get medical help immediately. For exercise-induced bronchospasm, take it 15 to 30 minutes before you start. If you miss a dose, there is no issue because this is an as-needed medication, not a scheduled one.
Side Effects of Salbutamol
The most common side effects come from the drug's stimulating effect on beta receptors throughout the body. Tremor, especially a fine hand shake, is the most frequent complaint. Palpitations or a feeling of a fast heartbeat can happen. These sensations are usually mild and go away as the body adjusts. Headaches, muscle cramps, and a dry or irritated throat are also possible. Nervousness or restlessness may occur, particularly if you take several puffs in a short period.
At high doses, salbutamol can drive potassium out of the bloodstream and into cells, causing hypokalemia. This can lead to muscle weakness or cramping. The risk is higher if you are also taking diuretics or theophylline. Paradoxical bronchospasm, where the inhaler suddenly makes your breathing worse right after a dose, is very rare but serious. Stop using the inhaler and call a doctor if this happens. An allergic reaction, with hives, swelling, or severe dizziness, is also rare and requires immediate medical attention.
High-Risk Groups (Elderly, Pregnancy)
Pregnancy. Salbutamol is the rescue inhaler of choice during pregnancy. It has been used for decades without evidence of harm to the fetus. Uncontrolled asthma is a known risk for low birth weight and preterm delivery, so keeping your airways open is essential. Use it as directed when you need it. If you find yourself needing it more than twice a week, your doctor may prescribe a daily inhaled steroid to keep you stable, but you should still carry your salbutamol for emergencies.
Breastfeeding is safe. The amount of salbutamol that gets into breast milk after inhalation is minuscule. You can use your rescue inhaler without worry. Elderly people can use salbutamol, but they may be more sensitive to the tremor and palpitations. If you have heart disease, particularly arrhythmias or coronary artery disease, talk to your doctor. The heart has beta receptors too, and while salbutamol is selective for the lungs, high doses can stimulate the heart. Start with 1 puff and see how you feel before taking a second. People with hyperthyroidism or diabetes should also use it cautiously, as salbutamol can raise blood sugar and mimic some symptoms of an overactive thyroid.
Interaction With Activities (Driving, Alcohol)
Salbutamol does not usually impair your ability to drive. However, if you experience tremor, palpitations, or lightheadedness after a dose, wait until those feelings pass before getting behind the wheel. The effects are short-lived. Alcohol does not interact directly with salbutamol. It will not make the drug work differently. However, heavy drinking can trigger asthma in some people and add to the dehydrating effects of the drug. An occasional drink is fine. Caffeine can make the tremor and palpitations worse, so you might want to limit coffee and tea if you have just taken your inhaler.
Drug Interactions
Salbutamol has relatively few serious drug interactions, but some are important. Beta-blockers, including eye drops for glaucoma, can block the action of salbutamol and make it less effective. If you need a beta-blocker for your heart, a cardioselective one like metoprolol may be safer, but still used with caution. Other bronchodilators, like the long-acting beta-agonists in your maintenance inhaler, should not be overused alongside salbutamol. Taking too much total beta-agonist can cause additive side effects like tremor, rapid heartbeat, and low potassium. Certain antidepressants called MAOIs and tricyclics can theoretically increase the cardiovascular effects of salbutamol. Diuretics, especially furosemide and hydrochlorothiazide, increase the risk of low potassium. If you are taking digoxin for heart failure, the potassium shifts from salbutamol can make digoxin more toxic. Always keep your doctor informed about all your medications.
Alternative Options
Salbutamol is one of several short-acting bronchodilators. Levalbuterol is a purified form that works the same way but is marketed as having fewer cardiac side effects, though it is not commonly available in Canada and is much more expensive. For long-term control, inhaled corticosteroids like budesonide or fluticasone are the mainstay. Combination inhalers containing a steroid and a long-acting beta-agonist, such as fluticasone/salmeterol or budesonide/formoterol, are used for patients who need more than a steroid alone. If you find that you need your rescue inhaler too often, your doctor will likely add one of these controller medications. Non-drug measures include identifying and avoiding triggers, quitting smoking, and getting vaccinated against influenza and pneumonia. Salbutamol remains the gold standard for quick relief because it is fast, effective, and safe when used appropriately.
INN, Brand Names, and Classification in Canada
INN (International Nonproprietary Name): Salbutamol (also known as Albuterol)
Available brand names in Canada: Ventolin HFA, Airomir, and generic salbutamol inhalers. Proventil is another brand used internationally.
ATC code: R03AC02
Forms and strengths: Pressurized metered-dose inhaler delivering 100 mcg per actuation. Also available as a nebulizer solution and oral tablets in some formulations.
Manufacturers: GlaxoSmithKline (Ventolin), Teva (Airomir), and diverse generic manufacturers including Apotex and Sanis Health.
Registration status in Canada: Registered
Classification: Prescription (Rx)
Frequently Asked Questions
How fast does salbutamol start working?
You should feel your airways opening within 5 to 15 minutes. The full effect usually peaks around 30 minutes after you inhale it.
How often can I use it?
As needed, but no more than every 4 to 6 hours, and no more than 8 puffs in 24 hours unless your doctor tells you otherwise. If you need it more than twice a week, your asthma is not well controlled, and you should talk to your doctor about adding a daily preventer inhaler.
Can I use salbutamol for a cough?
Only if your doctor has told you that the cough is from asthma. A rescue inhaler will not help a cough from a cold, bronchitis, or other causes unless there is bronchospasm involved.
Does salbutamol expire?
Yes, check the date on the canister. An expired inhaler may not work as well. Also, keep track of the dose counter so you do not run out. If the canister floats in water, it is nearly empty, but the counter is more reliable.
Can I use salbutamol with my steroid inhaler?
Yes. Use the salbutamol first to open the airways, wait a few minutes, then use your steroid inhaler. This allows the steroid to reach deeper into the lungs. Always follow your doctor's instructions on order and timing.
Delivery Information Across Canada
We ship Salbutamol to all provinces and territories. Delivery times vary depending on how remote your location is:
- Ontario (Toronto, Ottawa, Mississauga): 5 to 7 days
- Quebec (Montreal, Quebec City, Laval): 5 to 7 days
- British Columbia (Vancouver, Victoria, Burnaby): 5 to 9 days
- Alberta (Calgary, Edmonton, Red Deer): 5 to 9 days
- Manitoba (Winnipeg, Brandon): 5 to 9 days
- Saskatchewan (Saskatoon, Regina): 5 to 9 days
- Nova Scotia (Halifax, Sydney): 5 to 9 days
- New Brunswick (Moncton, Fredericton): 5 to 9 days
- Newfoundland and Labrador (St. John's, Corner Brook): 7 to 14 days
- Prince Edward Island (Charlottetown): 7 to 14 days
- Yukon, Northwest Territories, Nunavut: 7 to 14 days
All shipments are packed discreetly with no branding or indication of contents on the outside.
| Shipping method | Delivery time | Price | |
Delivery |
14-21 days | 14.95$ | Tracking# available in 4 days |
Delivery |
9-14 days | 30$ | Tracking# available in 2 days |
- Shipping worldwide
- Confidentiality and anonymity guarantee
- Safe and secure
- Discrete looking packages
- Dispatch orders within 24 hours
- 100% success delivery
