Atenolol belongs to a class of drugs known as beta blockers. It works by blocking the action of certain natural chemicals in your body, such as epinephrine, on the heart and blood vessels. This effect lowers the heart rate, blood pressure, and strain on the heart.
Brompheniramine (Bromfed, Dimetapp, Bromfenex, Dimetane, BPN, Lodrane), commonly marketed as its salt brompheniramine maleate, is an antihistamine drug of the propylamine (alkylamine) class.rompheniramine, 3-(p-bromophenyl)-3-(2-pyridyl)propyldimethylamine, is an analog of chlorpheniramine. The only difference is that the chlorine atom in the benzene ring is replaced with a bromine atom. It is also synthesized in an analogous manner.
Fentanyl is a synthetic opioid drug that is used as a potent analgesic or anesthetic adjuvant. The agent is available under various brand names including Duragesic, Sublimaze, Actiq, Onsolis, Instanyl and Fentora.Fentanyl has a rapid onset of action, which lasts only for a short time. The drug is widely used in the management of breakthrough pain as well as an anesthetic.Fentanyl is also used in the form of a transdermal patch to manage chronic pain.he agent is available under various brand names including Duragesic, Sublimaze, Actiq, Onsolis, Instanyl and Fentora. Fentanyl has a rapid onset of action, which lasts only for a short time. The drug is widely used in the management of breakthrough pain as well as an anesthetic.