Medicine Overview

Indication

Know Medicine, Follow Guideline

Adult Dose

Clinical InformationAdministration Information
Indication: WHO group 1 Pulmonary Arterial Hypertension
Condition: Initial treatment
Dose: Oral Tablet – 5 mg
Frequency: once daily
Note: With or without tadalafil 20 mg by mouth once daily. Indicated to 1) improve exercise ability and delay clinical worsening; and 2) in combination with tadalafil to reduce the risks of disease progression and hospitalization for worsening PAH, and to improve exercise ability.
Indication: WHO group 1 Pulmonary Arterial Hypertension
Condition: Titration
Dose: Oral Tablet – Dosage increased by ambrisentan or tadalafil
Frequency: once daily
Note: At 4-week intervals, either ambrisentan or tadalafil dose can be increased, as needed and tolerated, not to exceed ambrisentan 10 mg/day or tadalafil 40 mg/day.

Child Dose

Clinical InformationAdministration Information
Age: Pediatric
Dose: No approved dosage – Not available
Note: No approved pediatric dosage available

Renal Dose

Clinical InformationAdministration Information
Condition: Mild-to-moderate renal impairment
Dose: No dosage adjustment required
Note: Renal impairment Mild-to-moderate: No dosage adjustment required
Condition: Severe renal impairment
Dose: Not studied
Note: Severe: Not studied
Administration
  • Can take with or without food
  • Take whole
Side Effect

Drug Interaction

Drug NameRisk Factors
Cyclosporine
Exposure to ambrisentan may be increased (approximately 2-fold)
Rifampin
Use with caution

Disease Interaction

Disease NameRisk Factors
Pregnancy
Risk of fetal harm
Idiopathic Pulmonary Fibrosis
Risk of disease worsening

Pregnancy

Lactation
Special Use
Precaution
Overdose
Pharmacology
Storage
Store in a cool and dry place, below 30° C. Protect from light and moisture.

Data Sources

Clinical & regulatory information on this page is compiled from the following government sources:

DISCLAIMER: This drug information content is provided for informational purposes only and is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Patients should always consult their physician with any questions regarding a medical condition and to obtain medical advice and treatment.