Products Antihistamines are often taken in the form of tablets. In addition, drops, solutions, lozenges, capsules, gels, creams, eye drops, nasal sprays, and injectable solutions are also available, among others. The first active ingredient from this group was phenbenzamine (Antergan), developed in France in the 1940s. It is no longer commercially available today. Structure and … Antihistamines for Allergies
Products Pheniramine is contained in combination with other active ingredients in NeoCitran powder, which has been approved in many countries since 1985. Structure and properties Pheniramine (C16H20N2, Mr = 240.3 g/mol) is present in drugs as pheniramine maleate, a white crystalline powder that is very soluble in water. It is a racemate and an alkylamine … Pheniramine
Products Dexbrompheniramine was included in combination with pseudoephedrine in sustained-release dragées. It was approved in many countries in 1974. Disofrol is out of commerce. Structure and properties Dexbromopheniramine (C16H19BrN2, Mr = 319.2 g/mol) is an enantiomer of brompheniramine. Brompheniramine is brominated pheniramine, which is present in many countries in combination with other active ingredients in … Dexbrompheniramine
