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Examples of substance based medical devices include products for gastrointestinal relief like medicinal clay or simeticone-based products, as well as unmedicated nasal sprays, certain eye drops, dermal formulations, oral cough treatments, and other products for self-medication that often are available without a prescription. [1]
The concentration of such particulate matter and chemical residual will highest immediately after cleaning, and will decrease over time depending upon levels of contaminants, air exchange rate, and other sources of chemical residual. [5] Of most concern are the family of chemicals called VOCs such as formaldehyde, toluene, and limonene. [7]
Pepper spray, oleoresin capsicum spray, OC spray, capsaicin spray, mace, or capsicum spray is a lachrymator (tear gas) product containing the compound capsaicin as the active ingredient that irritates the eyes to cause burning and pain sensations, as well as temporary blindness.
A disinfectant is a chemical substance or compound used to inactivate or destroy microorganisms on inert surfaces. [1] Disinfection does not necessarily kill all microorganisms, especially resistant bacterial spores; it is less effective than sterilization, which is an extreme physical or chemical process that kills all types of life. [1]
A substance (other than food) intended to affect the structure or any function of the body. A substance intended for use as a component of a medicine but not a device or a component, part, or accessory of a device. A substance intended for use in the diagnosis, cure, mitigation, treatment, or prevention of disease.
The dosage form for a pharmaceutical contains the active pharmaceutical ingredient, which is the drug substance itself, and excipients, which are the ingredients of the tablet, or the liquid in which the active agent is suspended, or other material that is pharmaceutically inert. Drugs are chosen primarily for their active ingredients.
In pharmacology, a drug is a chemical substance, typically of known structure, which, when administered to a living organism, produces a biological effect. [2] A pharmaceutical drug , also called a medication or medicine, is a chemical substance used to treat , cure, prevent , or diagnose a disease or to promote well-being . [ 3 ]
A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound, using chemical symbols for the chemical elements, and subscripts to indicate the number of atoms involved. For example, water is composed of two hydrogen atoms bonded to one oxygen atom: the chemical formula is H 2 O.