Expiration Date Sulfamethoxazole 2013
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someone please tell me the shelf life of sulfamethoxazole when being stored in a cool place. I've had this since 10/2013 it's now 2016
Can I take this now?????

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Okay thank. I will get rid of it. Better safe than sorry. Have a wonderful day

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Hello, Pamela! How are you?

If it is in bottle as dispensed by your pharmacy, it has an expiration date of one year, from the date you received it, because those bottles expose it to the elements that cause degradation. If it is in the original factory sealed bottle, then it is good for approximately 4 years, from the date you received it.

If it is expired, it loses efficacy and could cause you to develop antibiotic resistant bacteria, so you should dispose of it and see your doctor for a new prescription, if an antibiotic is required.

The FDA lists its typical side effects as possibly including nausea, dizziness, headache, non-allergic skin rash and diarrhea.

Is there anything else I can help with?

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