What is the best medicine for severe tooth pain,...

Best antibiotic to treat teeth inflammation :
1. clinamycin 
2. metronidazole
- first you should consult a dentist about your medical condition 
Best pain killer to teeth pain ?
1. ibuprofen - oral 
2. Diclofenac potassium - oral or injection 
General advices :
1. usually doctor prescribe antibtioics for around 1-2 weeks or until u get better 
2. reconsult your doctor once you get better to do the needed medical tests and determine the best treatment pathway
           
What to do to relieve teeth pain if you dont have medication ?
1. drink hot water 
2. avoid hard food
3. eat soups only 
4. mix sodium bicarbonate and water and rinse it