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What Are Shingles? Essay Sample

What Are Shingles? Pages
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It is a skin rash caused by a nerve and skin inflammation from the same virus that previously caused chickenpox.

What Age Group Does Shingles Usually Affect?

There is no particular age group in which shingles occurs, it can affect babies, children, or adults who have or have not had the chicken pox.

The Primary Causes of Shingles.

Shingles is caused by the varicella-zoster virus; it is the same virus that causes chickenpox.

Duration of the Rash & Complications.

A shingles rash can take a while to heal, anywhere from two to four weeks. Complications can last longer, although postherpetic neuralgia usually disappears by one to three months after onset.

The Symptoms and Signs of Having Shingles
The first symptom is usually one-sided pain, tingling, or burning. The pain and burning may be severe and is usually present before any rash appears.

Are Shingles Preventable?
The main way to prevent shingles is to get a vaccination. Adults age 60 years or older can receive a single dose of the shingles vaccine, called Zostavax. The shingles vaccine is used only as a prevention strategy, however. It’s not intended to treat people who currently have the disease. The vaccine contains live virus and should not be given to people who have weakened immune systems.

Contagious or Non-Contagious
Shingles cannot be passed from one person to another. However, a person with shingles can transmit the virus that causes shingles to others. If a person who has never had chickenpox is infected with VZV, he or she will develop chickenpox, not shingles.

The Treatment.
There is no cure for shingles, but antiviral medications can reduce the severity and duration of the disease. Antiviral medications can also reduce the risk of developing postherpetic neuralgia, which is a serious complication of shingles.

Acyclovir
Famcicilovir
Valcyclovir

The Chemical Breakdown of Medications Used to Cure Shingles.

Acyclovir is a white, crystalline powder with the molecular formula (C_8_H_11_N_5_O_3_) and a molecular weight of 225. The maximum solubility in water at 37°C is 2.5 mg/mL. The pka’s of acyclovir are 2.27 and 9.25.

Famcicilovir is guanine analogue antiviral drug used for the treatment of various herpes virus infections, most commonly for herpes zoster (shingles). It is a prodrug form of penciclovir with improved oral bioavailability. Famciclovir is marketed under the trade name Famvir (Novartis). The molecular formula for the drug is (C_14_H_19_N_5_O_4_); it has a molecular weight of 321.332g/mol. It is insoluble in water.

Valcyclovir is an antiviral drug used in the management of herpes simplex and herpes zoster (shingles). It is a prodrug; being converted in vivo to acyclovir. The molecular formula for the drug is (C_13_H_20_N_6_O_4_). The average weight comes to be about an average of 324.3357g/mol.

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