Gynecological and reproductive systems drugs
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Objective:
This page enlists composition of blood and some key electrolytes in blood systems and provide the the reader an idea on imbalances of electrolytes in blood and drugs used to manage the imbalances.
Key words:
Blood, components of blood
Gynecological drugs:
Gynecological drugs are medications used to treat conditions of the female reproductive system, including hormonal imbalances, infections, menstrual disorders, and malignancies. Common categories include hormonal agents, anti-infectives, and labor or uterine regulators.
Hormonal Medications
Estrogens and Progestins: Used for birth control, regulating menstrual cycles, and managing menopausal symptoms (e.g., estradiol, medroxyprogesterone).
GnRH Agonists/Antagonists: Used to suppress estrogen production for conditions like endometriosis or uterine fibroids (e.g., goserelin).
Anti-Infective Agents
Antifungals: Used for yeast infections, often given as topical creams or single oral doses (e.g., fluconazole, clotrimazole).
Antibiotics/Antiprotozoals: Used for bacterial vaginosis, trichomoniasis, or pelvic inflammatory disease (e.g., metronidazole).
Uterine and Obstetric Drugs
Oxytocics: Stimulate uterine contractions to induce labor or reduce postpartum bleeding (e.g., oxytocin, methylergonovine).
Tocolytics: Relax the uterine muscle to slow or delay preterm labor (e.g., nifedipine).
Hyperkalemia
Hyperkalemia is an higher serum potassium concentration, generally K⁺ >5.0–5.5 mEq/L.
Common causes:
• Renal failure/CKD
• ACE inhibitors, ARBs, spironolactone, NSAIDs
• Metabolic acidosis or insulin deficiency
• Tissue breakdown
• Pseudohyperkalemia due to hemolysis
Clinical features:
Often asymptomatic; severe cases may cause muscle weakness, paralysis, and life-threatening cardiac arrhythmias.
Hyperkalemia: Classification by Severity
🟢 Normal K⁺: 3.5–5.0 mEq/L
🟡 Mild: 5.1–5.9 mEq/L
🟠 Moderate: 6.0–6.4 mEq/L
🔴 Severe: ≥6.5 mEq/L
ECG changes:
Peaked T waves → prolonged PR → loss of P waves → widened QRS → sine-wave pattern.
Key point:
Severe hyperkalemia is a medical emergency, particularly when ECG abnormalities are present.
AAA
Menstrual Cycle:
A cyclical hormonal process that prepares the uterus for pregnancy, typically lasting 21–35 days.
Menstrual phase: Endometrial shedding.
Follicular phase: Follicular growth and rising estrogen.
Ovulation: Triggered by the LH surge.
Luteal phase: Progesterone prepares the endometrium for implantation.
Key hormones: GnRH, FSH, LH, estrogen, and progesterone.
References
1. Jayasinghe, R., Kovoor, P. (2002). Drugs and the QTc interval. Australian Prescriber-an independent review. 25(3): 63-65. DOI: 10.18773/austprescr.2002.058.
Disclaimer
Most of the information in this page are collected from Google AI Overview. These are for informational purposes only. For medical advice or diagnosis, consult a professional. AI responses may include mistakes. Learn more
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