This would be called a broad-spectrum antibiotic.
Mefloquine is effective against cerebral malaria. But you can not depend on this drug alone. There is no injection of mefloquine is available. It is available in tablet form. You have to give this drug by nasogastric tube in unconscious patient.
Acyclovir is most effective drug against shingles. You give it 4 hourly, five times a day. A night dose is omitted.
Those pathogens that survive the drug attack and then reproduce progeny having this same resistance is a classic selection scenario.
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Developing new antibiotics that are effective against multi-drug resistant strains of pathogenic bacteria such as methicillin resistant Staph.
A Drug Against War was created on 1993-09-23.
Individual pathogens can develop resistance to antimicrobial drugs through several mechanisms. These include acquiring genes that code for drug resistance, mutations that render the drug targets less susceptible to the drugs, and the ability to pump out or destroy the drugs. These adaptations occur through genetic changes that give the pathogens a survival advantage and allow them to evade the action of the drugs.
The FDA requires two things of any drug: it must be safe and effective. So if it either is not safe, or it is not effective, the FDA won't approve.
In phase one the dosage and safety of a drug is determined. In phase two they determine how effective the drug is on the targeted illness. In phase three they determine how effective the drug is compared to other drugs.
The only effective and appropriate way to stop alcohol, drug or drug addiction is comprehensive treatment
There is no 'best' drug. Just the most appropriate and effective one for the condition being treated.
It is the time it takes a drug to have its intended effect, which may depend on the body changing the drug into something effective or just the time it takes for the body to have an effective amount of the drug. Some drugs take hours, others days or weeks to start working.