How long after injection does Emgality stay in your body? I’ve had only the first shot, but 2 weeks later I had to take my old prescription. Seems if injections are once a month, then the drug should last a month. Please help. Thanks
How long after injection does Emgality stay in system?
Question posted by Sweetaunt on 23 April 2019
Last updated on 15 May 2019 by Shiree Jones
Answers
Official Answer
Medically reviewed by Drugs.com. Last updated on May 20, 2019.
It takes approximately 148.5 days (21 weeks or 5 months) for Emgality to be out of your system.
The elimination half life of Emgality is 27 days.
This is the time it takes for your body to reduce the plasma levels by half.
It usually takes around 5.5 x elimination half-life for a drug to be eliminated from your system.
Therefore 5.5 x 27 days = 148.5 day (21 weeks or 5 months) for Emgality to be cleared from you body.
This is an estimate as half-life varies from person to person due to patient-specific variables and drug-specific variables.
Related topics
migraine prevention, injection, prescription, drug, system, emgality
Further information
- Emgality uses and safety info
- Emgality prescribing info & package insert (for Health Professionals)
- Side effects of Emgality (detailed)
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