As you have mentioned that at present you are taking Azipro 500mg antibiotic, must be for some bacterial infection. Sometime an infection and related treatment (illness and body stress) can delay menses, so just wait for 7-10 days for your periods then repeat
pregnancy test in case no menstrual bleeding. But if you are worried because of chances of pregnancy then yes you can go for beta-hcg blood test. Also since how long you are taking medication for high Blood pressure?
Next Steps
wait for 7 days
Health Tips
Stress not going to help, but can worsen the situation.