With various online stores, it is now possible to order glasses according to certain specifications and wishes. However, not every visual impairment or visual disorder indicates the need for glasses. Several causes can underlie the condition. One cause, which has become increasingly common in younger people in recent years, is glaucoma. This article deals with … Narrow-angle Glaucoma: Causes, Symptoms & Treatment
Products Numerous nasal sprays containing vasoconstrictive agents are commercially available. Among the best known are xylometazoline (Otrivin, generic) and oxymetazoline (Nasivin). In addition to sprays, nasal drops and nasal gels are also available. Decongestants for the nose have been available since the early 20th century (Sneader, 2005). As early as the 1940s, rhinitis medicamentosa was … Decongestant Nasal Sprays
Products Biperiden is commercially available as tablets, sustained-release tablets, and a solution for injection (Akineton, Akineton retard). It has been approved in many countries since 1958. Structure and properties Biperiden (C21H29NO, Mr = 311.46 g/mol) is present in drugs as biperidene hydrochloride, a white crystalline powder that is sparingly soluble in water. It is a … Biperides
Products In many countries, there are currently no registered medicines containing the active ingredient Cathin. Products containing Cathine are not banned, but are subject to prescription and narcotics laws. Structure D-cathine (C9H13NO, Mr = 151.2 g/mol) is a natural substance from the cath (, Celastraceae), which is also produced synthetically. It is a hydroxylated amphetamine … Cathin
Products Cyclopentolate is commercially available in the form of eye drops (cyclogyl). It has been approved in many countries since 1968. Structure and properties Cyclopentolate (C17H25NO3, Mr = 291.4 g/mol) is present in drugs as cyclopentolate hydrochloride, a white crystalline powder. It is a racemate and a derivative of atropine, which is used for the … Cyclopentolate
Products Propiverine was approved in many countries in 2020 in the form of modified-release hard capsules (Mictonorm). Later, coated tablets were also registered (Mictonet). This is an older active ingredient that was available earlier in Germany, for example. Structure and properties Propiverine (C23H29NO3, Mr = 367.5 g/mol) is present in drugs as propiverine hydrochloride. Active … Propiverine
Products Promazine is commercially available in the form of dragées (Prazine). It has been approved in many countries since 1957. Structure and properties Promazine (C17H20N2S, Mr = 284.4 g/mol) is present in drugs as promazine hydrochloride, a white crystalline powder that is very soluble in water. It is a dimethylamine derivative of phenothiazine and structurally … Promazine
Products Sympathomimetics are commercially available, for example, in the form of tablets, capsules, granules, injectable solutions, eye drops, and nasal sprays. Structure and properties Sympathomimetics are structurally derived from the natural neurotransmitters epinephrine and norepinephrine. Effects Sympathomimetics have sympathomimetic properties, meaning that they promote the effects of the sympathetic nervous system, a portion of the … Sympathomimetics
Products Olanzapine is commercially available as film-coated tablets, meltable tablets, and powder for solution for injection (Zyprexa, generics). It has been approved in the U.S. and EU since 1996 and in many countries since 1997. Generic versions entered the market in 2012. Structure and properties Olanzapine (C17H20N4S, Mr = 312.4 g/mol) belongs to the thienobenzodiazepine … Olanzapine
Products Darifenacin is commercially available in the form of sustained-release tablets (Emselex). It has been approved in many countries since 2005. Structure and properties Darifenacin (C28H30N2O2, Mr = 426.6 g/mol) is a tertiary amine. It is present in drugs as darifenacin hydrobromide, a white crystalline powder. Effects Darifenacin (ATC G04BD10) has parasympatholytic properties. It is … Darifenacin
Products Dimenhydrinate is commercially available in the form of tablets, dragées, [chewing gum dragées>chewing gum], and capsules, among others. Since 2012, a combination with the calcium channel blocker cinnarizine has been approved in many countries (Arlevert) see under Cinnarizine and Dimenhydrinate. Structure and properties Dimenhydrinate (C24H28ClN5O3, Mr = 470.0 g/mol) is the salt of diphenhydramine … Dimenhydrinate
Products Trimipramine is commercially available in tablet and drop form (Surmontil, generic). It has been approved in many countries since 1962. Structure and properties Trimipramine (C20H26N2, Mr= 294.5 g/mol) is present in drugs as trimipramine mesilate or trimipramine maleate, a racemate and white crystalline powder that is sparingly soluble in water. It is structurally closely … Trimipramine