Most sore throats are caused by viruses and amoxicillin will be ineffective as it an antibiotic which only treats bacterial throat infections.
A sore throat is more likely to be caused by a virus if it is a minor part of a typical cold (with runny nose, stuffy ears, cough, and similar symptoms).
If you were to have a bacterial throat infection, like Strep throat, you would have other symptoms including a fever (greater than 101°F), white, draining patches on the throat, and swollen or tender lymph glands in the neck. You will need a lab test to diagnose strep throat. You should see your doctor if you have the symptoms of a bacterial throat infection.
You can read more about sore throats here:
- Amoxicillin Information for Consumers
- Amoxicillin Information for Healthcare Professionals (includes dosage details)
- Side Effects of Amoxicillin (detailed)
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