Skip to Content


Excipient (pharmacologically inactive substance)

Medically reviewed by Last updated on Jun 22, 2018.

What is it?

Water is normally a clear, odorless, and tasteless liquid. Water (H2O) is a common ingredient used in pharmaceutical manufacturing, processing and in prescription and over-the-counter products. Additionally, many formulations, such as sterilized water, water for inhalation and sterile water for injection are products often used in the clinical or hospital setting.[1]

[1] Sterile water prescribing information. Water for Injection. Accessed March 31, 2012.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Top Medications with this excipient