Effervescent Tablet Inhalation Vapor Dosage Form

**Semantic type:** Biomedical or Dental Material

**Definition:** Solid preparation consisting of a tablet usually containing acid substances and carbonates or hydrogen carbonates that react rapidly in the presence of aqueous liquid to release carbon dioxide, intended for generation of vapor to be inhaled to obtain a local effect. The vapor may be generated by adding the tablet to hot water.

**Synonyms:** - Inhalation vapour, effervescent tablet