A drug may be classified by the chemical type of the active ingredient or by the way it is used to treat a particular condition. Each drug can be classified into one or more drug classes.
Plasma expanders are agents that have relatively high molecular weight and boost the plasma volume by increasing the osmotic pressure. They are used to treat patients who have suffered hemorrhage or shock. Shock occurs due to reduced blood volume (usually due to hemorrhage) and it is necessary to get the blood volume back to normal as quickly as possible.
Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment.
Data sources include Micromedex™ (updated Dec 30th, 2013), Cerner Multum™ (updated Jan 17th, 2014), Wolters Kluwer™ (updated Mar 2nd, 2014) and others. To view content sources and attributions, refer to our editorial policy.