receptor blocking theory

Receptor blocking theory explains how certain drugs work by preventing natural substances in the body, like hormones or neurotransmitters, from attaching to their specific receptors. These drugs act as "blockers," occupying the receptor sites so that the genuine chemicals can't bind and trigger a response. By doing this, they effectively reduce or prevent the body's normal reactions, such as pain, anxiety, or inflammation. This mechanism is common in medications like antihistamines for allergies or beta-blockers for heart conditions, helping manage or alleviate various health issues without causing the body's natural processes to occur.