Profile: Hogil Pharmaceutical Corporation markets pharmaceutical products. Our teldrin HBP is a fast growing allergy medication. It is a single-ingredient allergy medication. It helps to control common allergy symptoms of running nose, sneezing, itchy & watery eyes. It is an allergy medication that is also marketed to high blood pressure sufferers. Our sine-off works to fight colds, flu, sinus congestion and the devastating effects of methanol abuse.