Escitalopram is used to treat depression and anxiety. It works by helping to restore the balance of a certain natural substance (serotonin) in the brain. Escitalopram belongs to a class of drugs known as selective serotonin reuptake inhibitors (SSRI).

A cycloheptathiophene blocker of histamine H1 receptors and release of inflammatory mediators. It has been proposed for the treatment of asthma, rhinitis, skin allergies and anaphylaxis.

Pheniramine maleate is a medicine used to treat allergic conditions such as hayfever, runny nose, itching skin and skin rashes. It is also used in the prevention and treatment of nausea, vomiting, and dizziness due to inner ear disorders (eg Meniere's disease) and travel sickness.

Pregabalin is a medication used to treat epilepsy, neuropathic pain, fibromyalgia, restless leg syndrome and generalized anxiety disorder. Its use in epilepsy is as an add-on therapy for partial seizures.