Effervescent salts are mixtures of soluble salts with sodium bicarbonate and citric or tartaric acid, or a mixture of the two acids, designed to yield effervescent drafts when added to water.

For preparations included in this list see:

Magnesii Sulphas Effervescens, under Magnesii Sulphas.

Potassii Citras Effervescens, under Potassii Citras.

Pulvis Effervescens, under Potassii et Sodii Tartras.

Sodii Phosphas Effervescens, under Sodii Phosphas.