Liquid dosage forms is pourable pharmaceutical preparations，it is also one of the oldest dosage form used in the treatment of patients and affords rapid and high absorption of medicinal products. Liquid dosage form contains a mixture of active pharmaceutical ingredients and non-pharmaceutical ingredients (excipients) dissolved or suspended in a suitable solvent or mixtures of solvents. They are administered by oral and parenteral (injection, inhalation, ophthalmology, ear canal, nasal cavity and topical) routes. Oral liquids are non-sterile, while liquids administered by parenteral routes are available in sterile and non-sterile formulations. more: https://www.formulationbio.com/liquids-dosage-forms.html

Semi-solids constitute a large proportion of the drug formulation. They are used as carriers for drugs that are topically delivered by way of the skin, rectal tissue, vagina, cornea, urethral membrane, nasal mucosa, and so on. Semi-solids dosage forms are advantageous for a wide variety of drug molecules in terms of their ease of use, rapid preparation and local delivery capabilities. There are a variety of dosage forms for semi-solid, each with unique characteristics, they can be applied on the affected area directly and the administration of this dosage form to be readily administered to patients of any age. Semi-solids dosage forms usually presented in the form of ointments, gels, creams and suppositories, and these dosage forms consist of one or more active ingredients that dissolved or uniformly dispersed in a suitable base and any suitable excipients. more： https://www.formulationbio.com/semi-solids-dosage-forms.html