NEET MDS Lessons
Pharmacology
Doxycycline
Commonly prescribed for infections and to treat acne. treat urinary tract infections, gum disease, and other bacterial infections such as gonorrhea and chlamydia., as a prophylactic treatment for infection by Bacillus anthracis (anthrax). It is also effective against Yersinia pestis and malaria.
Kinins
Peptide that are mediated in the inflammation.
Action of kinin:
On CVS: vasodilatation in the kidneys, heart, intestine, skin, and liver. It is 10 times active than histamine as vasodilator.
On exocrine and endocrine glands: kinin modulate the tone of pancreas and salivery glands and help regulate GIT motility, also affect the transport of water and electrolytes, glucose and amino acids through epithelial cell transport.
Loperamide
- Similar chemically and pharmacologically to Diphenoxylate.
- Slows gastrointestinal motility by effects on the circular and longitudinal muscles of the intestine.
- Not well absorbed following oral administration.
- Useful in the treatment of diarrhea.
Ofloxacin : It is a quinolone antibiotic and similar in structure to levofloxacin. It is an alternative treatment to ciprofloxacin for anthrax.
Methadone
Pharmacology and analgesic potency similar to morphine.
- Very effective following oral administration.
- Longer duration of action than morphine due to plasma protein binding (t1/2 approximately 25 hrs).
- Used in methadone maintenance programs for drug addicts and for opiate withdrawal. Opiate withdrawal is more prolonged but is less intense than it is following morphine or heroin.
Operator position
For the right-handed operator, the 8 and 10 o’clock position and for left-handed operators, the corresponding 2 and 4 o’clock position almost always allows for optimal visualization of the injection field.
Fluconazole: an antifungal used orally, intravenously or vaginally to treat yeast and fungal infections. Side-effects of systemic administration include hepatotoxicity (liver damage).
- For vaginal candidiasis (vaginal thrush), a once-only oral dose is often sufficient.