Abamune
Abamune (Abacavir 300 mg) — Cipla NRTI for HIV. Combined with lamivudine + INSTI or NNRTI for complete regimen. HLA-B*5701 hypersensitivity reaction warning.
✓ Medically reviewed by Morgan Ellis — Pharmacy Researcher · 8 years experience · Last reviewed: May 2026
Quick Answer
Abamune — Abacavir 300 mg (Cipla Inc). Single-component abacavir NRTI. Mandatory HLA-B*5701 test before initiation. Combined with lamivudine + INSTI/NNRTI for complete regimen.
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If you have HBV co-infection (or unknown HBV status), stopping lamivudine, tenofovir, or emtricitabine can trigger severe acute HBV flare with possible decompensation. Test HBsAg/HBV DNA before starting and never discontinue without hepatology supervision.
>95% adherence is required to prevent HIV resistance development. Missed doses or single-drug therapy on a triple regimen are common causes of treatment failure. NRTIs as monotherapy or dual therapy are NOT acceptable HIV treatment — always combine with at least one drug from a different class.
How NRTIs work
Nucleoside/nucleotide reverse transcriptase inhibitors (NRTIs) are nucleoside analogues that get phosphorylated inside the host cell to active triphosphate forms. They compete with natural nucleotides for incorporation into the growing viral DNA chain by HIV reverse transcriptase. Once incorporated, they terminate the chain — viral replication stops.
NRTIs are the backbone of every modern HIV regimen, combined with an integrase strand transfer inhibitor (INSTI), non-nucleoside reverse transcriptase inhibitor (NNRTI), or protease inhibitor (PI) for at least three-drug therapy.
Class-specific side effects
- Mitochondrial toxicity (older NRTIs — stavudine, didanosine, zidovudine): lipoatrophy, peripheral neuropathy, lactic acidosis, hepatic steatosis. Modern NRTIs (TDF, TAF, FTC, 3TC, abacavir) have much less mitochondrial toxicity.
- Tenofovir disoproxil (TDF): renal tubulopathy, Fanconi syndrome, bone density loss. Switch to tenofovir alafenamide (TAF) if renal/bone concerns.
- Abacavir: hypersensitivity reaction in HLA-B*5701 carriers (~5-8% of Caucasians, lower in African and Asian populations). Test before starting; absolute contraindication if positive.
- Lamivudine + emtricitabine: generally well tolerated; HBV co-infection caveat applies.
Frequently Asked Questions
Will this cure HIV?
No. ART suppresses viral replication, allows immune recovery, and reduces transmission risk to near zero (Undetectable = Untransmittable). It does not eradicate HIV reservoirs. Treatment is lifelong with current technology.
What if I miss a dose?
Take it when you remember if <6 hours late. If >6 hours late, skip and resume normal schedule — do not double up. Repeated missed doses risk resistance; always discuss adherence challenges with your HIV team.
What about resistance testing?
Genotypic resistance testing is recommended at HIV diagnosis, before starting any regimen, and at virological failure. Resistance can pre-exist (transmitted resistance) or develop with poor adherence.
HBV co-infection?
Critical — test HBsAg and HBV DNA before starting any regimen containing lamivudine, tenofovir, or emtricitabine. These drugs are also active against HBV; stopping them can cause severe HBV flare. HBV/HIV co-infection always needs combined HIV/hepatology specialist input.
Pregnancy?
Many NRTIs are safe in pregnancy (tenofovir, lamivudine, emtricitabine, abacavir). Stavudine and didanosine should be avoided. ARV regimens during pregnancy reduce vertical transmission to <1% with proper management.
U=U?
Yes — Undetectable = Untransmittable. People living with HIV who maintain undetectable viral load (<200 copies/mL) on consistent ART do not transmit HIV through sex (PARTNER, PARTNER2, Opposites Attract trials).
Drug interactions?
Most NRTIs have few interactions (renally cleared, no major CYP). Tenofovir + ledipasvir: increased tenofovir levels, monitor renal function. Didanosine + ribavirin: avoid (lactic acidosis). Always disclose all medications including herbal.
Renal function monitoring?
Tenofovir disoproxil (TDF) requires renal monitoring every 3-6 months. Stop or switch to tenofovir alafenamide (TAF) if eGFR <50 mL/min or significant proteinuria appears.
Bone density?
TDF reduces bone density modestly; consider DEXA in long-term users with other osteoporosis risks. TAF has minimal bone effect.
Can I drink alcohol?
Modest alcohol is acceptable. Heavy alcohol worsens adherence and accelerates liver disease in HBV/HCV co-infection. Avoid alcohol if liver enzymes are abnormal.
Other HIV & Antiviral Medications
- Trioday — TDF + 3TC + EFV — single-tablet regimen by Cipla
- Triomune — d4T + 3TC + NVP — older 3-in-1 (stavudine-based)
- Zepdon — raltegravir 400 mg — integrase inhibitor
- Abamune L — abacavir + lamivudine — alternative NRTI backbone
- Tenvir L — tenofovir + lamivudine — alternative NRTI backbone
More options in HIV Medication
Ranked by recent MedsBase order volume — what other customers in this category are picking.
| Strength | 300 mg |
|---|---|
| Quantity | 30 Tablet/s, 60 Tablet/s, 90 Tablet/s |
| Pharma Form | Tablet/s |
| Manufacturer | Cipla Inc |
| Treatment | HIV Infection |
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