E 4 (Hydromorphone Hydrochloride 4 mg)
Pill with imprint E 4 is Beige, Round and has been identified as Hydromorphone Hydrochloride 4 mg. It is supplied by Ethex Corporation.
Hydromorphone is used in the treatment of chronic pain; pain; cough; anesthetic adjunct and belongs to the drug class narcotic analgesics. Risk cannot be ruled out during pregnancy. Hydromorphone 4 mg is classified as a Schedule 2 controlled substance under the Controlled Substance Act (CSA).
Images for E 4

Hydromorphone Hydrochloride
- Imprint
- E 4
- Strength
- 4 mg
- Color
- Beige
- Size
- 6.00 mm
- Shape
- Round
- Availability
- Prescription only
- Drug Class
- Narcotic analgesics
- Pregnancy Category
- C - Risk cannot be ruled out
- CSA Schedule
- 2 - High potential for abuse
- Labeler / Supplier
- Ethex Corporation
- National Drug Code (NDC)
- 58177-0621
Related Images for "E 4"
More about hydromorphone
- Side Effects
- During Pregnancy or Breastfeeding
- Dosage Information
- Patient Tips
- Drug Images
- Drug Interactions
- Compare Alternatives
- Pricing & Coupons
- 407 Reviews
- Drug class: narcotic analgesics
- FDA Alerts (10)
Consumer resources
- Hydromorphone
- Hydromorphone injection
- Hydromorphone rectal
- Hydromorphone (Advanced Reading)
- Hydromorphone Injection (Advanced Reading)
- ... +4 more
Other brands: Dilaudid, Palladone, Dilaudid-HP, Exalgo
Professional resources
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Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.