H 4 Pill: yellow, capsule/oblong, 21mm
The pill with imprint H 4 (Yellow, Capsule/Oblong, 21mm) has been identified as Efavirenz 600 mg and is used for Occupational Exposure, HIV Infection, and Nonoccupational Exposure. It belongs to the drug class NNRTIs and is not a controlled substance.
Images for H 4

Efavirenz
- Imprint
- H 4
- Strength
- 600 mg
- Color
- Yellow
- Size
- 21.00 mm
- Shape
- Capsule/Oblong
- Availability
- Prescription only
- Drug Class
- NNRTIs
- Pregnancy Category
- D - Positive evidence of risk
- CSA Schedule
- Not a controlled drug
- Labeler / Supplier
- Camber Pharmaceuticals, Inc.
- Manufacturer
- Hetero Labs Limited Unit III
- National Drug Code (NDC)
- 31722-0504
- Inactive Ingredients
-
microcrystalline cellulose,
sodium lauryl sulfate,
croscarmellose sodium,
hydroxypropyl cellulose,
lactose monohydrate,
magnesium stearate,
hypromelloses,
titanium dioxide,
ferric oxide yellow,
polyethylene glycol
Note: Inactive ingredients may vary.
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- Drug class: NNRTIs
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