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What is the concept of toxicity?
The study of the adverse effects of drugs on the body
What are the advantages and disadvantages of the Parenteral route?
Rapid drug absorption, risk of infection
What is the difference between histamine and anti histamine?
Histamine causes allergic reactions, while anti histamine treats allergies
Define neurotransmitter.
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What are the prototype drugs used to treat diarrhea?
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Study Notes
Pharmacology Concepts
- Toxicity: The degree to which a substance can cause harm or damage to living organisms, including humans.
Routes of Administration
- Parenteral Route: A method of administering drugs through injection, avoiding the gastrointestinal tract, and allowing for faster absorption.
- Advantages of Parenteral Route:
- Rapid onset of action
- Higher bioavailability
- Suitable for emergency situations
- Disadvantages of Parenteral Route:
- Invasive and painful
- Risk of infection and allergic reactions
- Requires specialized training and equipment
Histamine and Anti-Histamine
- Histamine: A neurotransmitter involved in local immune responses, regulating physiological functions such as sleep, appetite, and blood pressure.
- Anti-Histamine: A medication that counteracts the effects of histamine, used to treat allergies, itching, and other conditions.
Neurotransmitters
- Neurotransmitter: A chemical messenger that transmits signals between neurons in the nervous system, influencing various physiological and psychological processes.
Treatment of Diarrhea
- Prototype Drugs: Medications that serve as a model for treating a specific condition, in this case, diarrhea.
- Examples of prototype drugs used to treat diarrhea:
- Loperamide (Imodium)
- Diphenoxylate (Lomotil)
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