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Dolutegravir

Antiretroviral

Also known as Dolutegravir sodium, Tivicay

Antiretroviral
CDSCO approved
EXCRETION
not curated
INTERACTIONS
12 major
incl. contraindicated
PREGNANCY
Manufacturer advises avoid. New safety recommendations due to neural tube defects in babies born to mothers taking dolutegravir. Should not be prescribed to women trying to become pregnant; pregnancy should be excluded before starting. Women of childbearing potential should use effective contraception. If pregnancy is confirmed in the first trimester, switch to an alternative unless no suitable alternative exists.
FDA category + note
Top interactionssee all 12
  • St John S WortContraindicatedTextbookG&G 14e · p1245-1266
  • Aluminum HydroxideSevereDatabaseDDInter
  • ApalutamideSevereDatabaseDDInter
  • AttapulgiteSevereDatabaseDDInter

Mechanism

Dolutegravir is an integrase strand transfer inhibitor that blocks the HIV integrase enzyme. This action prevents the integration of viral DNA into the host cell's genome, thereby inhibiting viral replication.

Indications

HIV-1 infectionHIV-1 and HIV-2 infection in HIV-infected adults and children older than 4 weeks of age and weighing at least 3 kg

Dosing

Hepatic adjustment
Manufacturer advises caution in severe impairment—no information available.

Pharmacokinetics

Half-life
14
Bioavailability
Protein binding
98.9%
Metabolism
Chiefly through UDP glucuronosyltransferase (UGT) and cytochrome P450 enzymes.
Excretion
<1% (renal, unchanged)

Contraindications

  • Women who are trying to become pregnant (due to risk of neural tube defects). Pregnancy should be excluded in women of childbearing potential before starting treatment.

Side effects

Common
Anxietydepressiondiarrhoeadizzinessfatigueflatulencegastrointestinal discomfortheadachenauseaskin reactionssleep disordersvomitinglong-term weight gain
Serious
  • Arthralgia
  • hepatic disorders
  • hypersensitivity reactions (including severe rash, or rash accompanied by fever, malaise, arthralgia, myalgia, blistering, oral lesions, conjunctivitis, angioedema, eosinophilia, or raised liver enzymes)
  • immune reconstitution inflammatory syndrome
  • myalgia
  • suicidal tendencies
  • Osteonecrosis
  • neural tube defects (potential increased risk in infants of mothers taking dolutegravir at conception)
  • hypersensitivity reactions (rash, organ dysfunction)

Pregnancy & lactation

Pregnancy

Manufacturer advises avoid. New safety recommendations due to neural tube defects in babies born to mothers taking dolutegravir. Should not be prescribed to women trying to become pregnant; pregnancy should be excluded before starting. Women of childbearing potential should use effective contraception. If pregnancy is confirmed in the first trimester, switch to an alternative unless no suitable alternative exists.

Drug interactions

St John S Wort
Contraindicated
Textbook

Decreased dolutegravir plasma concentrations.

Should not be coadministered.

Source: G&G 14e · p1245-1266

Aluminum Hydroxide
Severe
Database

Clinical effect not specified

Source: DDInter

Apalutamide
Severe
Database

Drug interaction classified as: metabolism

Source: DDInter

Attapulgite
Severe
Database

Clinical effect not specified

Source: DDInter

Calcium Acetate
Severe
Database

Clinical effect not specified

Source: DDInter

Calcium Carbonate
Severe
Database

Clinical effect not specified

Source: DDInter

Calcium
Severe
Database

Clinical effect not specified

Source: DDInter

Calcium Glubionate Anhydrous
Severe
Database

Clinical effect not specified

Source: DDInter

Calcium Gluconate
Severe
Database

Clinical effect not specified

Source: DDInter

Calcium Glycerophosphate
Severe
Database

Clinical effect not specified

Source: DDInter

Calcium Lactate
Severe
Database

Clinical effect not specified

Source: DDInter

Calcium Phosphate
Severe
Database

Clinical effect not specified

Source: DDInter

Related guidelines

Other Antiretroviral drugs

Ask House about Dolutegravir

Continue into a citation-backed clinical answer with the drug context already attached.

Sources: Goodman & Gilman 14e, Katzung, BNF·Verified: 2026-05-10 · House clinical team