Pantoprazole is a proton pump inhibitor that decreases the amount of acid produced in the stomach. Pantoprazole is used to treat erosive esophagitis (damage to the esophagus from stomach acid caused by gastroesophageal reflux disease, or GERD) in adults and children who are at least 5 years old.

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.

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.