Tremfya (Guselkumab)
Janssen · IL-23 Inhibitor · Subcutaneous injection
🛒 Order Now — Direct from BiologicHealthPlus
Fill out the form and a BiologicHealthPlus pharmacist will contact you within 2 hours.
About Tremfya (Guselkumab)
Tremfya (Guselkumab) is a IL-23 Inhibitor manufactured by Janssen. Tremfya selectively binds to IL-23 at its p19 subunit, blocking it from binding to its receptor and interrupting the IL-23/Th17 inflammatory pathway responsible for psoriasis.
💰 $0–$5/month for most insured patients
BiologicHealthPlus enrolls every patient in the Janssen CarePath program and all other available savings at no charge. Contact us to verify what you qualify for.
How Long Does Tremfya Take to Work?
Skin improvement often begins by week 4; significant clearance typically seen by week 16–24.


Tremfya at a Glance
- Generic: Guselkumab
- Manufacturer: Janssen
- Drug Class: IL-23 Inhibitor
- Type: Biologic – Monoclonal Antibody
- Route: Subcutaneous injection
- Frequency: Every 8 weeks (maintenance)
- Savings: Janssen CarePath
- Storage: 36°F–46°F (2°C–8°C)
FDA-Approved Uses for Tremfya
Tremfya is FDA-approved to treat the following conditions:
Dosage & Administration
Typical Tremfya Dosage
- Route: Subcutaneous injection
- Frequency: Every 8 weeks (maintenance)
- Common Dose: 100 mg at weeks 0 and 4, then every 8 weeks.
⚠️ Dosage varies by indication, age, and weight. Always follow your prescriber's instructions. Do not adjust your dose without medical guidance.
Storage & Cold-Chain Delivery
🌡️ Required Storage Temperature
36°F–46°F (2°C–8°C)
Keep in original carton. Protect from light. Do not freeze or shake.
✈️ Traveling with Tremfya
Up to 8 weeks at room temperature (up to 77°F/25°C)
Use an insulated cooler. Carry prescriber letter. Keep in carry-on luggage.
🚚 Free Cold-Chain Delivery
BiologicHealthPlus ships Tremfya in temperature-controlled packaging to all 50 states at no charge.
Learn about delivery →Required Monitoring
Tests & Monitoring for Tremfya
- Tuberculosis and hepatitis B screening before starting
- Monitor for new or worsening infections
Your prescriber determines your monitoring schedule. BiologicHealthPlus coordinates with your provider's office on your behalf.
Insurance, Savings & Prior Authorization
🛡️ Commercial Insurance
Most commercially insured patients pay $0–$5/month through the Janssen CarePath program.
Insurance guide →🆓 Patient Assistance Program
Uninsured or income-eligible patients may receive Tremfya free of charge through the Janssen CarePath PAP.
Check eligibility →🏥 Medicare & Medicaid
BiologicHealthPlus works with Medicare Part B, Part D, and Medicaid plans nationwide. We verify your benefits at no charge.
Verify coverage →✅ Prior Authorization — We Handle Everything at No Cost
BiologicHealthPlus files and manages prior authorizations for Tremfya completely free. We appeal denials, work with your prescriber, and get your medication approved as fast as possible.
Learn about prior authorization →