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Amantadine- Effective Anti-Viral Drug for Flu
By SAIRA SIMMONS
The role of Influenza anti
viral drugs will be of utmost importance if a pandemic breaks out, especially
during the first wave of infection when pandemic vaccines may not be available.
Anti Virals is the only option available for the prevention and treatment of Influenza
in the absence of vaccines.
In the present scenario, we are encompassed with four types of Anti viral drugs
which are miraculously effectual in shortening the course of infection if given
early during the disease and are also capable of providing short term protection
against Influenza.
They are-
Amantadine
Rimantadine
Tamiflu
Relenza
Amantadine- The medication is used to treat or prevent infections
of the respiratory tract caused by a certain virus. It acts by slowing the growth
of the virus. Amantadine is also used to treat symptoms of Parkinson's disease
and to treat the side effects caused by certain psychiatric drugs.
Amantadine hydrochloride inhibits the replication of influenza
A viruses at low concentrations. The exact mechanism of action is unknown.
In vitro human influenza viruses, including H1N1, H1N2, H2N2 and H3N2 subtypes
are inhibited by 0.2 to 0.7 micrograms/ml or less of amantadine. It is recognized,
however, that not all strains susceptible under in vitro conditions will be similarly
affected in clinical practice.
The medication is only effective against the A influenza viruses. If used as a
treatment it is not capable of preventing the host immune response for influenza
A infection. Prophylactic administration has no effect on the host immune response
to vaccination with the current inactivated influenza virus vaccines.
Amantadine Dosage- Generally the medication is recommended soon
after the exposure is suspected and should be taken continuously for the next
ten days. In case of recurrent or prolonged exposure, it is advised to continue
with Amantadine dosage throughout the epidemic. The suggested dosages of Amantadine
for different age groups are as follows-
Children aged five-nine years- 100mg once daily
Children and adults aged 10-65 years- 100mg twice daily
Adults over 65 years- 100mg once daily
Opt for Amantadine
The fact that makes Amantadine one of the best medications available against influenza
is that it is anti-viral. Even antibiotics can kill bacteria but they are not
effective against viral infection and since flu is a viral infection it deserves
treatment through an anti-viral medication, which is Amantadine. So, you should
look for the drug information number, or DIN, on the product, and buy
amantadine from genuine internet pharmacies that provide a street address
and telephone number in case there is a problem.
About the Author
None
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