Antibiotics & Contraceptives Essay Examples & Outline

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Antibiotics & Contraceptives


Question 1

Broad-spectrum antibiotics are used in the treatment of a wider range of diseases caused by bacteria. They are appropriate in use when the physician is unable to identify the bacteria that caused the infection. Broad spectrum antibiotics, therefore, can act on both gram positive and gram negative bacteria. They find application in situations when there is super-infection, a condition when the disease is caused by different types of bacteria (Anderson, 2012). Such situation warrants administering of broad-spectrum antibiotics or a combination of the antibiotic therapy. The clinician can administer the broad spectrum antibiotic when there is drug resistant bacteria that does not respond to narrow spectrum antibiotics.

It is inappropriate to administer broad spectrum antibiotics for relieving cough, cold and flu symptoms. Broad-spectrum antibiotics are readily available even as over the counter medicine, a worrying situation that could lead to drug resistance (Anderson, 2012). Development of multidrug-resistant strains of the bacteria places the risk not only at the community level but also at the globe. This is due to the fact that bacteria spread quickly, and their infective rate is also high. Such resistant strains pose a problem especially in the hospitalization costs and research. Furthermore, most of colds and flu are caused by influenza viruses (Edmunds & Mayhew, 2013). It would be ineffective to treat virus diseases with antibiotics since most of the viral infections are managed by immunization.

Common cold and flu keep most people away from jobs and even school. The symptoms associated with the common cold make individuals seek medical attention. Symptomatic treatment is the best approach against the common cold (Edmunds & Mayhew, 2013). The symptoms of flu or the common cold include headache, congestion, muscle ache, fever, and lacrimation among others. Some of the symptoms can be managed by administering painkillers, zinc supplements and decongestants. The health practitioner may recommend close monitoring in situations when there is severity of the symptoms.

Question 2

A female patient taking oral contraceptives should engage in discussion with the doctor. This is of relevance when the patient is taking antibiotics together with oral contraceptives (Coates, 2012). There is possible drug interaction between the contraceptives and antibiotics taken by the patients. In such cases, the patient should be forewarned of the impending dangers of getting pregnant. Caution needs to be taken in the dosing of oral contraceptives to avoid the associated side effects (Edmunds & Mayhew, 2013). The patient needs to understand that the low dosage of the contraceptives has a decreased efficacy when used concomitantly with the antibiotics.

Antibiotics interact with the oral contraceptives to result in low efficacy. Most birth control pills contain estrogen, and when used in combination with antibiotics, enzymes present in the liver contributes to the breakdown of the hormone. Some of the antibiotics kill the normal flora in the stomach which serves the primary role of activating the pills (Edmunds & Mayhew, 2013). Spotting is the first sign that indicates interaction of birth control pills and antibiotics. Examples of antibiotics that interact with oral contraceptives includes rifampin, sulfamethoxazole, ampicillin, minocycline among others.

Several considerations need to be put in place when discussing the issue of oral contraception and its interactions with antibiotics (Coates, 2012). In many societies, men become the primary decider of ways of having sex and may not recommend the use of alternative contraceptives such as condoms. Furthermore, personal values and beliefs can find an influence from the media and peer pressure. It is under the normal practice to give the patient information beforehand on the contraceptive choices for the best option (Coates, 2012).

Managing such drug interaction requires back up birth-control when antibiotics are administered at the same time. Backup methods of birth control have been recommended as ways of reducing the risk of getting pregnant while taking antibiotics (Anderson, 2012). Such approaches include abstinence, use of condoms or spermicide.

References

Anderson, R. J. (2012). Antibacterial agents: Chemistry, mode of action, mechanisms of resistance, and clinical applications. Chichester, West Sussex: John Wiley & Sons.
Coates, A. R. (2012). Antibiotic resistance. Heidelberg: Springer.
Edmunds, M. W., & Mayhew, M. S. (2013). Pharmacology for the primary care provider. St. Louis, Mo: Elsevier-Mosby.




 

Hormones are chemical messengers


Hormones are chemical messengers found in the body. Their transmission is through the bloodstream to the cells and tissues (Porth, 2009). Hormones influence different processes including growth and development, sexual functions, metabolism and as well mood. Release of hormones used in the body is because of the endocrine system that helps regulate and maintain different functions through the synthesis and release of hormones. Antidiuretic hormone (ADH) secreted in the posterior lobe of the pituitary plays a crucial role in the human body where it stimulates the reabsorption of water in the kidney (Norman, 1997).

This hormone is important in the human body since it conserves water. Its target organ is kidneys. Thyroid hormone (thyroxin) is another hormone secreted in the human body. Its secretion is in the thyroid glands and has its target cells as most of the body cells especially located in the skin. This hormone plays a role in stimulating metabolic rates essential for the normal growth of the body. Lastly, luteinizing hormone (LH) is another important hormone among females and males. Its secretion is in the anterior lobe of the pituitary and has its target being the gonads. It stimulates ovulation and as well the formation of the corpus luteum. In males, this hormone stimulates secretion of the hormone testosterone (Welch, 2011).

Receptor cells are cells located in the target cells. They control the secretion of these hormones. ADH, secreted in the kidney, has its receptors as hypothalamic osmoreceptors. They sense an increase in osmolarity that is capable of causing a disease. Other receptors linked with the hormone are atrial stretch receptors that sense change in central blood volume. Dysfunction of these receptors leads to diabetes insipidus. Receptor related to LH is luteinizing hormone- choriogonadotropin receptor (Norman, 1997). This receptor plays a great role in successful reproduction in human beings.

Its dysfunction in the body may lead to infertility, loss of menstrual cycles in female and as well loss of sexual drive. Lastly, hypothalamus and anterior pituitary are two receptors that control the secretion of thyroxine (Porth, 2009). These receptors control the levels of iodine in the body. Dysfunction may lead to hair loss, memory loss and as well muscle weakness. Severe cases may lead to coma and as well death.




 

Hyperthyroidism and hyperthyroidism


Hyperthyroidism and hyperthyroidism are two conditions arising because of secretion of thyroid hormones. Hyperthyroidism arises due to over production of thyroid hormones than the body needs (Norman, 1997). On the other hand, hypothyroidism is a condition arising due to production of low quantities of thyroid hormones that are not enough for the body. Hyperthyroidism often results from a condition called Grave’s disease while hypothyroidism results from Hasimoto’s disease. Patients suffering from hypothyroidism often experience symptoms such as uncontrolled weight gain, increased sensitivity to cold, depression, excessive menstrual bleeding in females and lastly hoarse voice. On the other hand, hyperthyroidism patients experience symptoms such as increased sweating, muscle weakness, excessive weight loss, some irregular heartbeats and among female, they experience less frequent menstrual periods (Welch, 2011).

A blood test is among the most common test taken to differentiate between hyperthyroidism and hypothyroidism (Porth, 2009). During the blood test, doctors often check for the thyroid-stimulating hormone in the blood and as well, the free T4 and T3 hormone levels in the blood. Patients suffering from hyperthyroidism have high levels of T4 and T3 hormones. On the other hand, they have low levels of thyroid stimulating hormones. In contrast, patients with hypothyroidism have high levels of thyroid stimulating hormone and low levels of T3 and T4 hormones in their blood (Welch, 2011).


References

Porth, C.M., & Matfin, G. (2009). Pathophysiology: Concepts of altered health states. (Eight ed.) Philadelphia, PA
Norman, A. W., & Litwack, G. (1997). Hormones. San Diego: Academic Press.
Welch, C. (2011). Balance Your Hormones, Balance Your Life: Achieving Optimal Health and Wellness through Ayurveda, Chinese Medicine, and Western Science. New York: Da Capo Press.