Atropine Sulfate
AtroPen, Isopto Atropine, and many generics
Anticholinergic agent
| C | 2 | No | No | No |
| Key |
- Injection (vials): 0.4, 1 mg/mL
- Injection (prefilled syringe): 0.25 mg/5 mL, 0.5 mg/5 mL, 1 mg/10 mL
- Injection (autoinjector for IM use):
- AtroPen 0.25 mg: Delivers a single 0.25 mg (0.3 mL) dose (yellow-colored pen)
- AtroPen 0.5 mg: Delivers a single 0.5 mg (0.7 mL) dose (blue-colored pen)
- AtroPen 1 mg: Delivers a single 1 mg (0.7 mL) dose (dark red-colored pen)
- AtroPen 2 mg: Delivers a single 2 mg (0.7 mL) dose (green-colored pen)
- Ophthalmic Dosage Forms:
- Ointment: 1% (3.5 g)
- Solution:
- Isopto Atropine: 1% (5 mL); contains benzalkonium chloride
- Generics: 1% (2, 5, 15 mL)
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Citation
Hughes, Helen K., and Lauren K. Kahl, editors. "Atropine Sulfate." Harriet Lane Handbook Harriet Lane Handbook, 23rd ed., Elsevier, 2024. Harriet Lane, www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309609/2/Atropine_Sulfate.
Atropine Sulfate. In: Hughes HKH, Kahl LKL, eds. Harriet Lane Handbook Harriet Lane Handbook. Elsevier; 2024. https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309609/2/Atropine_Sulfate. Accessed October 7, 2026.
Atropine Sulfate. (2024). In Hughes, H. K., & Kahl, L. K. (Eds.), Harriet Lane Handbook Harriet Lane Handbook (23rd ed.). Elsevier. https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309609/2/Atropine_Sulfate
Atropine Sulfate [Internet]. In: Hughes HKH, Kahl LKL, eds. Harriet Lane Handbook Harriet Lane Handbook. Elsevier; 2024. [cited 2026 October 07]. Available from: https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309609/2/Atropine_Sulfate.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - Atropine Sulfate
ID - 309609
ED - Hughes,Helen K,
ED - Kahl,Lauren K,
BT - Harriet Lane Handbook
UR - https://www.unboundmedicine.com/harrietlane/view/Harriet_Lane_Handbook/309609/2/Atropine_Sulfate
PB - Elsevier
ET - 23
DB - Harriet Lane
DP - Unbound Medicine
ER -

Harriet Lane Handbook

