Potassium guaiacolsulfonate is an expectorant. It works by thinning mucus (phlegm) in the lungs, making it less sticky and easier to cough up. This reduces chest congestion by making coughs more productive.

Pentosan polysulfate (PPS) is a medication used for interstitial cystitis and osteoarthritis. It is a semi-synthetic polysulfated xylan.

Paroxetine is an antidepressant of the selective serotonin reuptake inhibitor (SSRI) class. It is used to treat major depressive disorder, obsessive-compulsive disorder, panic disorder, social anxiety disorder, posttraumatic stress disorder, generalized anxiety disorder and premenstrual dysphoric disorder. It has also been used in the treatment of premature ejaculation and hot flashes due to menopause.

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.