Risankizumab

Products Risankizumab was approved in the United States and in many countries in 2019 as a solution for injection (Skyrizi). Structure and properties Risankizumab is a humanized IgG1 monoclonal antibody produced by biotechnological methods. Effects Risankizumab (ATC L04AC) has selective immunosuppressive and anti-inflammatory properties. The antibody binds to the p19 subunit of human interleukin-23 (IL-23), … Risankizumab

Dihydrotachysterol

Products Dihydrotachysterol is commercially available as an oily solution (A.T. 10). It has been approved in many countries since 1952. Structure and properties Dihydrotachysterol (C28H46O, Mr = 398.7 g/mol) is a lipophilic analog of vitamin D. Effects Dihydrotachysterol (ATC A11CC02) has multiple properties in calcium metabolism. The compound is already active and does not need … Dihydrotachysterol

Risedronate

Products Risedronate is available as weekly 35 mg tablets and as 30 mg tablets (Actonel, generic). Actonel 5 mg and 75 mg tablets are off-label in many countries. Risedronate has been approved since 2000. Generic versions went on sale in 2012. Structure and properties Risedronate (C7H10NO7P2Na – 2.5 H2O, Mr = 350.1 g/mol) is a … Risedronate

Diltiazem

Products Diltiazem is commercially available in tablet and capsule form (Dilzem, generic). It has been approved in many countries since 1982. Structure and properties Diltiazem (C22H26N2O4S, Mr = 414.52 g/mol) is a benzothiazepine derivative. It is present in drugs as diltiazem hydrochloride, a white crystalline powder with a bitter taste that is readily soluble in … Diltiazem

Risperidone: Drug Effects, Side Effects, Dosage and Uses

Products Risperidone is commercially available as film-coated tablets, meltable tablets, an oral solution, and a suspension for intramuscular administration (Risperdal, generics). The active ingredient has been approved in many countries since 1994. Structure and properties Risperidone (C23H27FN4O2, Mr = 410.5 g/mol) exists as a white powder that is practically insoluble in water. It is a … Risperidone: Drug Effects, Side Effects, Dosage and Uses

Ritonavir

Products Ritonavir is commercially available as a monopreparation in the form of film-coated tablets (Norvir). It was approved in many countries, in the United States and in the EU in 1996, and is also used as a pharmacokinetic booster in combination with antiviral agents (eg, lopinavir). Norvir syrup is no longer marketed in many countries. … Ritonavir

Pyriproxifen

Products Pyriproxifen is commercially available as a spot-on solution for cats. Medicines for dogs are approved in many countries but are not currently available. Structure and properties Pyriproxifen (C20H19NO3, Mr = 321.4 g/mol) is a pyridine derivative derived from fenoxycarb. Effects Pyriproxifen (ATCvet QP53AX23) inhibits the development of flea eggs and larvae for 3 months … Pyriproxifen

Pyrvinium

Products Pyrvinium is commercially available as an oral suspension and in the form of dragées. It is no longer available in many countries. Structure and properties Pyrvinium (C26H28N3+, Mr = 382.5 g/mol) is present in pharmaceuticals as pyrvinium embonate or pyrvinium pamoate. Pyrvinium embonate is an orange-red to orange-brown powder with almost no odor and … Pyrvinium

Prolongation of the QT Interval

Symptoms Drug-induced prolongation of the QT interval can rarely lead to severe arrhythmias. This is polymorphic ventricular tachycardia, known as torsade de pointes arrhythmia. It can be seen on the ECG as a wave-like structure. Due to the dysfunction, the heart cannot maintain blood pressure and can only pump insufficient blood and oxygen to the … Prolongation of the QT Interval

Jellyfish Repellent

Background The skin of jellyfish contains so-called cnidocytes, which are used against prey and enemies when they come into contact with the skin. When appropriately irritated, a cnidocyst is ejected at high speed like a kind of harpoon, injecting a venom deep into the victim’s skin. This venom causes mild to fatal toxic and allergic … Jellyfish Repellent

Mercury

Application Mercury (Hydrargyrum, Hg) and its compounds are rarely used in pharmacy today because of their toxicity and adverse effects. An exception is alternative medicine, in which mercury is also called mercurius (e.g., Mercurius solubilis, Mercurius vivus). The English name is Mercury or Quicksilver. In the 20th century, mercury compounds were still widely used and … Mercury

Quetiapine

Products Quetiapine is commercially available in the form of film-coated tablets and sustained-release tablets (Seroquel / XR, generic, auto-generic). It has been approved in many countries since 1999. Generics of film-coated tablets entered the market in 2012, and generics of sustained-release tablets were first registered in 2013. Structure and properties Quetiapine (C21H25N3O2S, Mr = 383.5 … Quetiapine