4227 Z (Guanabenz Acetate 8 mg)
Pill with imprint 4227 Z is Gray, Round and has been identified as Guanabenz Acetate 8 mg. It is supplied by Teva Pharmaceuticals USA.
Guanabenz is used in the treatment of high blood pressure and belongs to the drug class antiadrenergic agents, centrally acting. Risk cannot be ruled out during pregnancy. Guanabenz 8 mg is not a controlled substance under the Controlled Substances Act (CSA).
Images for 4227 Z

Guanabenz Acetate
- Imprint
- 4227 Z
- Strength
- 8 mg
- Color
- Gray
- Shape
- Round
- Availability
- Prescription only
- Drug Class
- Antiadrenergic agents, centrally acting
- Pregnancy Category
- C - Risk cannot be ruled out
- CSA Schedule
- Not a controlled drug
- Labeler / Supplier
- Teva Pharmaceuticals USA
- National Drug Code (NDC)
- 00172-4227
More about guanabenz
- Side Effects
- During Pregnancy or Breastfeeding
- Dosage Information
- Drug Images
- Drug Interactions
- 1 Review
- Drug class: antiadrenergic agents, centrally acting
Consumer resources
Other brands: Wytensin
Professional resources
Related treatment guides
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.