Aten (Atenolol)
Also sold as: Aten, Tenormin, Betacard
Pregnancy
Cat D
Lactation
Caution
Schedule
H
Forms
Tablet 25/50/100mg
Indications
- HTN
- Stable angina
- Post-MI
- AF rate control
Adult Dosing
HTN/Angina
25-100 mg PO once daily; max 100 mg/day
Renal Dose Adjustment
| CrCl / eGFR | Dose Adjustment |
|---|---|
| CrCl > 35 | No adjustment |
| CrCl 15-35 | Max 50 mg/day |
| CrCl < 15 | Max 25 mg/day or every other day |
Pregnancy & Lactation
Pregnancy: Category D
Avoid (IUGR, fetal bradycardia, hypoglycemia). Use labetalol or methyldopa instead.
Lactation: Caution
Top Drug Interactions
| Interacting Drug | Effect | Severity |
|---|---|---|
| Verapamil, diltiazem | Severe bradycardia, AV block | Major |
| Clonidine | Rebound HTN if either stopped | Major |
| NSAIDs | Reduced effect | Moderate |
| Insulin | Mask hypoglycemia | Moderate |
DoctorScribe — AI Medical Scribe
Stop looking up Aten — just speak the prescription
"Aten as per dose, BD for 5 days." DoctorScribe writes the full prescription with brand, strength, frequency, and route — auto-applies pediatric weight-based dosing and renal adjustments. Try the live demo.
Side Effects
Common
- Fatigue
- Bradycardia
- Cold extremities
- Erectile dysfunction
Serious / Discontinue If
- AV block, bradycardia
- HF decompensation
- Bronchospasm in asthmatics
Contraindications
- 2/3 degree AV block
- Symptomatic bradycardia
- Severe asthma
- Acute decompensated HF
Available Indian Brands
| Brand | Manufacturer | Price (approx) |
|---|---|---|
| Aten 50 | Zydus | 14 tab ₹35 |
| Tenormin 50 | AstraZeneca | 14 tab ₹85 |
| Betacard 50 | Torrent | 14 tab ₹38 |
Monitoring Required
- HR, BP, glucose in diabetics
Patient Counseling Points
- Do not stop abruptly
- Take same time daily
- Inform doctor of fatigue, breathlessness
Stop Googling drug references mid-consultation
EasyClinic auto-flags Aten interactions, renal cutoffs, and pregnancy warnings the moment you write the prescription. Built-in safety net for every Indian doctor.
References
- BNF
- Lexicomp Drug Information
- Indian National Formulary
- Specialty society guidelines (RSSDI/CSI/IAP)
Disclaimer: This information is for clinical reference only. It is not exhaustive and does not substitute clinical judgement. Always verify current dosing against the manufacturer's prescribing information and current treatment guidelines. Drug prices are approximate and may vary.