Related Experiment Video
Updated: Jun 16, 2026
05:13
Preclinical Model of Prenatal Delta-9-Tetrahydrocannabinol Exposure to Assess Its Impact on Neurodevelopmental Outcomes
Published on: February 28, 2025
Drug use in pregnancy; a point to ponder!
Punam Sachdeva1, B G Patel, B K Patel
1Department of Pharmacology, A. R. College of Pharmacy, Vallabh Vidyanagar-388 120, India.
Indian Journal of Pharmaceutical Sciences
|February 24, 2010
Summary
Drug use during pregnancy requires careful consideration due to physiological changes and potential fetal harm. The Food and Drug Administration (FDA) classifies medications into categories A, B, C, D, and X to guide safe prescribing practices.
Area of Science:
- Obstetrics and Gynecology
- Pharmacology
- Teratology
Background:
- Pregnancy alters pharmacokinetics, affecting drug efficacy and safety.
- Untreated maternal conditions can pose risks, necessitating medication.
- Historical events like thalidomide use highlight teratogenic risks.
Purpose of the Study:
- To review drug use in pregnancy.
- To discuss the impact of physiological changes on drug pharmacokinetics.
- To outline the FDA drug classification system for pregnancy.
Main Methods:
- Review of existing literature on drug safety in pregnancy.
- Analysis of the FDA's drug risk classification system (Categories A-X).
- Discussion of teratogenic effects and historical context.
Main Results:
- Drug pharmacokinetics are significantly altered during pregnancy.
- Certain medications are essential for managing pre-existing or new maternal conditions.
- The FDA classification system provides a framework for assessing drug safety in pregnancy, with Category X drugs being contraindicated.
Conclusions:
- Drug use in pregnancy is complex, balancing maternal health needs with fetal safety.
- The FDA classification system (A-X) is crucial for clinical decision-making.
- Informed prescribing based on risk categories minimizes potential harm to the fetus.
Related Concept Videos
01:23Upper Respiratory Drugs: Antitussives, Expectorants, and Mucolytics
Respiratory symptoms, such as congestion and cough, commonly accompany respiratory tract conditions. Various medications, such as antitussives, expectorants, and mucolytics, play crucial roles in providing relief.
Antitussives include codeine, dextromethorphan (Robitussin), and benzonatate (Tessalon). Codeine and dextromethorphan exert their effects centrally by suppressing the cough reflex center in the medulla. Benzonatate operates peripherally within the respiratory tract by anesthetizing...
Antitussives include codeine, dextromethorphan (Robitussin), and benzonatate (Tessalon). Codeine and dextromethorphan exert their effects centrally by suppressing the cough reflex center in the medulla. Benzonatate operates peripherally within the respiratory tract by anesthetizing...
01:21Factors Affecting Drug Response: Overview
When it comes to infants and young children, they are typically administered smaller doses of medication in comparison to adults. This is primarily because their organ functions still need to fully develop, meaning their bodies are not as efficient at metabolizing or eliminating drugs. Additionally, their blood-brain barrier is more permeable than in adults. As a result, high concentrations of drugs can easily penetrate the central nervous system (CNS), potentially leading to neurological...
01:07Teratogenicity
The ability of a drug to produce structural deformations and functional abnormalities in the developing embryo or the fetus is called teratogenicity, and the drug producing this effect is known as a teratogen. Teratogenic effects include stillbirth, miscarriage, intrauterine growth restriction, and neurocognitive delay. A teratogen may affect the embryo at different stages of development, which is important in determining the type and extent of the damage. During blastocyst formation, the early...
01:24Drug Toxicity: Risk factors
Adverse Drug Reactions (ADRs) are potential complications that arise during pharmacotherapy, influenced by multiple risk factors. Age plays a significant role; both neonates and the elderly are at heightened risk due to their respective immature and diminished metabolic and elimination processes. Gender also impacts ADRs, with females experiencing a 1.5 to 1.7-fold greater risk than males, which may be linked to pharmacokinetic, pharmacodynamic, and hormonal differences. Notably, neonates, the...
01:15Drug Abuse and Addiction: Pharmacological Phenomena
Drug dependence, abuse, and addiction are complex phenomena that can precipitate various abnormal states. Physical dependence refers to a state of pharmacological adaptation to a drug. This adaptation often results in tolerance—a reduced response to the drug after repeated administrations. When the drug use is abruptly stopped, withdrawal symptoms occur due to the body's need to readjust from the pharmacologically induced imbalance. However, tolerance and withdrawal symptoms do not necessarily...
01:17Drug Dependence
Medications are typically administered to achieve therapeutic effects. Some drugs can modify an individual's mood and perception, frequently resulting in various enjoyable experiences. However, this can result in drug dependency, a condition marked by continuous drug use despite potential negative consequences. Drug dependency primarily falls into two categories: psychological and physical dependence. Psychological dependence occurs when the pleasurable feelings induced by the drug...