The drug ( active substance)itself needs to be soluble in aqueous solution at and controlled rate. Such factors as particle size and crystal form can significantly affect dissolution. Tablets are compressed of drugs , fillers dis integrants lubricants & binders
Liquid formulations combine the drug product with a variety of compounds to ensure a stable active medication following storage. These include stabilizers, buffers, modifiers, bulking agents, viscosity enhancers/reducers etc. Topical option are cream , ointment, gel, paste etc.
Lyophilized process that removes water from a liquid drug creating a solid powder, or cake. The lyophilized product is stable for extended periods of time and could allow storage at higher temperatures and drugs are stored in vials, cartridges, dual chamber syringes,and prefilled mixing systems