Profen (drug class)

Class of nonsteroidal anti-inflammatory drugs

Chemical structure of a generic profen molecule

The profen class of drugs is a group of nonsteroidal anti-inflammatory drugs (NSAIDs) that are derived from propionic acid. These drugs are commonly used for their analgesic, antipyretic, and anti-inflammatory properties. The most well-known drug in this class is ibuprofen, which is widely used to relieve pain, reduce fever, and decrease inflammation.

Chemical Structure

The profen drugs are characterized by their chemical structure, which includes a propionic acid moiety. This structure is responsible for their pharmacological activity. The general chemical formula for profens is C_nH_2n+1COOH, where the "n" represents the number of carbon atoms in the side chain.

Chemical structure of ibuprofen, a common profen drug

Mechanism of Action

Profen drugs work by inhibiting the activity of the cyclooxygenase (COX) enzymes, specifically COX-1 and COX-2. These enzymes are involved in the conversion of arachidonic acid to prostaglandins, which are compounds that mediate inflammation, pain, and fever. By blocking COX enzymes, profens reduce the production of prostaglandins, thereby alleviating symptoms associated with inflammation and pain.

Common Profen Drugs

• Ibuprofen - One of the most widely used NSAIDs, available over-the-counter for the treatment of mild to moderate pain, fever, and inflammation.
• Naproxen - Another common NSAID, often used for the treatment of arthritis, menstrual pain, and other inflammatory conditions.
• Ketoprofen - Used for similar indications as ibuprofen and naproxen, but with a slightly different pharmacokinetic profile.

Pharmacokinetics

Profen drugs are generally well-absorbed from the gastrointestinal tract. They are metabolized in the liver and excreted primarily through the kidneys. The half-life of these drugs can vary, with ibuprofen having a relatively short half-life of about 2 hours, while naproxen has a longer half-life of approximately 12 to 17 hours.

Side Effects

Common side effects of profen drugs include gastrointestinal discomfort, such as nausea, vomiting, and diarrhea. Long-term use can lead to more serious gastrointestinal issues, such as ulcers and bleeding. Other potential side effects include renal impairment, increased risk of cardiovascular events, and hypersensitivity reactions.

Related Pages

• Nonsteroidal anti-inflammatory drug
• Cyclooxygenase
• Prostaglandin
• Pain management