promethazine

Thân thiện

A patient takes promethazine to relieve allergy symptoms.

Definition

Noun: 1. A sedating antihistamine drug: A medication belonging to the phenothiazine class, primarily used to treat symptoms of allergies, such as itching, runny nose, and sneezing. It also has strong antiemetic (anti-nausea/vomiting) and sedative properties. * Core Meaning: A pharmaceutical compound with multiple therapeutic effects, most notably as an antihistamine and antiemetic.

Examples of Usage

• Noun:
  • The doctor prescribed promethazine to relieve her severe allergic reaction.
  • Promethazine is often effective in preventing nausea associated with motion sickness.
  • Due to its sedating side effect, promethazine can help with short-term sleep problems.

Advanced Usage

• Therapeutic Context: In medical contexts, "promethazine" is specified by its indication.
  • Promethazine is administered preoperatively for its sedative and antiemetic effects.
• Pharmacological Classification: It is often described by its drug class.
  • As a first-generation antihistamine, promethazine readily crosses the blood-brain barrier.

Variants and Related Words

• Phenergan (noun): A common trade name for promethazine.
  • Phenergan is a brand-name version of the drug promethazine.
• Antihistamine (noun): The broader class of drugs to which promethazine belongs.
• Antiemetic (noun): A substance that prevents nausea and vomiting; a key property of promethazine.

Synonyms

• Antihistamine: (general class synonym) A substance that blocks histamine receptors.
• Antiemetic: (functional synonym) A drug that prevents or treats nausea.

Notes on Usage

• Medical Terminology: "Promethazine" is a technical, scientific term used almost exclusively in medical, pharmaceutical, or clinical contexts. It is not used in everyday conversation outside of discussing specific medical treatment.
• Precise Reference: The word refers specifically to the chemical compound itself. Its effects (sleepiness, relief from itching) are described separately.

Học thuật

Noun

1. antihistamine (trade name Phenergan) used to treat allergies; also an antiemetic used to treat motion sickness

Từ đồng nghĩa

• phenergan