3 4 Pill: purple, round
The pill with imprint 3 4 (Purple, Round, 0mm) has been identified as Trimethoprim 100 MG and is used for Urinary Tract Infection, Prevention of Bladder infection, Bladder Infection, Pneumocystis Pneumonia, and Middle Ear Infections. It belongs to the drug class urinary anti-infectives and is not a controlled substance.
Images for 3 4

Trimethoprim
- Imprint
- 3 4
- Strength
- 100 MG
- Color
- Purple
- Shape
- Round
- Availability
- Prescription only
- Drug Class
- Urinary anti-infectives
- Pregnancy Category
- C - Risk cannot be ruled out
- CSA Schedule
- Not a controlled drug
- Labeler / Supplier
- Rugby
- National Drug Code (NDC)
- 00536-4686 (Discontinued)
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Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.