These substances, known as allergens, can trigger an allergic reaction in sensitive individuals. Common allergens include pollen, dust mites, pet dander, certain foods, insect stings, and certain medications. Key points about allergies include 1. Immune Response: Allergic reactions result from the immune system mistakenly identifying a harmless substance as a threat. The immune system then … Read more
Definition Emergency drugs are medications that are administered in critical or life-threatening situations to address immediate medical needs. These drugs are crucial in various healthcare settings, including emergency departments, intensive care units, and pre-hospital care, where rapid intervention is essential to stabilize patients and prevent further harm. Categories of Emergency Drugs 1. Cardiac Arrest and … Read more
Histamine is a biogenic amine, a compound derived from amino acids, that serves as a signaling molecule and neurotransmitter in the body. It is produced and stored in various cells, particularly mast cells and basophils, which are immune system components. When released, histamine plays a key role in several physiological processes, including inflammation, allergic reactions, … Read more
Tolazoline is a medication that belongs to the class of drugs known as alpha-adrenergic blockers. It is primarily used as a vasodilator, which relaxes and widens blood vessels. This vasodilatory effect is attributed to its ability to block alpha-adrenergic receptors. Here are some key points about tolazoline: Mechanism of Action Tolazoline acts as a non-selective … Read more
