In this case, you need to understand something else, that most likely the self-administration of many drugs, in particular antibiotics, will either not bring the expected effect, or will only worsen the situation.
In Russia, the availability of antibiotics in the pharmacy, well, does not lead to a decrease in anything. Especially when they are often taken for viral infections, where treatment is generally not required.
See your doctor, don't trust your immune system)
If you are not a doctor, it is best to see a doctor. It is very likely that an extra antibiotic will be prescribed, but, nevertheless, it is better than self-prescribing.
And if you are a doctor, then you should not ask for TQ :)