Atenolol
Brands: Tenormin
Atenolol is a beta-blocker used to manage heart conditions in pets. Consult your vet before use.
Used for
- hypertension
- arrhythmias
- hypertrophic cardiomyopathy
How it is given
- Administration
- oral
- Frequency
- once daily
- Duration
- as prescribed by a veterinarian
- Storage
- Store at room temperature, away from moisture and heat.
- Pregnancy safety
- caution
Always confirm the exact dose with your veterinarian before giving any medicine.
Typical dose ranges
cat
- Standard
- 6.25 to 12.5 mg total dose
dog
- Large dogs
- 0.25 to 0.5 mg/kg
- Small dogs
- 0.25 to 0.5 mg/kg
- Medium dogs
- 0.25 to 0.5 mg/kg
Ranges are reference only. Your vet sets the dose for your pet's weight and condition.
Active ingredients
- Atenolol
Side effects
Common
- Lethargy
- Dizziness
Rare
- Gastrointestinal disturbances
Severe
- Severe bradycardia
Do not use when
- severe heart failure
- hypersensitivity to beta-blockers
Interacts with
- Calcium channel blockers
- Other beta-blockers
Warnings
- Do not stop abruptly
- Regular monitoring required
Atenolol questions
Can Atenolol be used with other heart medications?
Yes, but only under close veterinary supervision.
What if a dose is missed?
Administer as soon as possible, but skip if it's close to the next dose.
Can Atenolol be stopped suddenly?
No, sudden cessation can worsen heart conditions.
Is Atenolol safe for pregnant pets?
Use with caution and only if benefits outweigh risks.
How long does Atenolol take to work?
Effects are typically seen within 1-2 hours.
Full drug detail
Overview
Atenolol is a beta-blocker commonly prescribed to manage heart-related conditions in pets, such as hypertension and arrhythmias. It works by slowing down the heart rate and reducing the workload on the heart.
How It Works
Atenolol selectively blocks beta-1 adrenergic receptors in the heart, leading to a decrease in heart rate and blood pressure. This action helps in reducing the overall cardiac output and oxygen demand of the heart muscle.
Uses & Indications
Atenolol is primarily used to treat:
- Hypertension (high blood pressure)
- Arrhythmias (irregular heartbeats)
- Hypertrophic cardiomyopathy
Dosage Guidelines
Dosage of Atenolol must be tailored to the specific needs of the pet and always under veterinary guidance.
Dogs
- Small Dogs: 0.25 to 0.5 mg/kg
- Medium Dogs: 0.25 to 0.5 mg/kg
- Large Dogs: 0.25 to 0.5 mg/kg
Cats
- Standard: 6.25 to 12.5 mg total dose
Administration
Atenolol is administered orally and is typically given once daily.
Side Effects
Common
- Lethargy
- Dizziness
Rare
- Gastrointestinal disturbances
Severe
- Severe bradycardia (requires immediate veterinary attention)
Precautions & Warnings
Atenolol should not be used in pets with:
- Severe heart failure
- Hypersensitivity to beta-blockers
Drug Interactions
- Calcium channel blockers
- Other beta-blockers
Storage
Store Atenolol at room temperature, away from moisture and heat.
FAQ
Can Atenolol be used with other heart medications?
Yes, but only under close veterinary supervision.
What if a dose is missed?
Administer as soon as possible, but skip if it's close to the next dose.
Can Atenolol be stopped suddenly?
No, sudden cessation can worsen heart conditions.
Is Atenolol safe for pregnant pets?
Use with caution and only if benefits outweigh risks.
How long does Atenolol take to work?
Effects are typically seen within 1-2 hours.