This time period is going to differ from species to species. The green cheek eggs take about 25 days to hatch. In this next picture, one egg is fertile and 2 are not. Click on it to blow it up big and see if you can tell which eggs are fertile.
Summary: Itching is found among people who take Atenolol, especially for people who are female, 60+ old, have been taking the drug for.
It may take up to 2 weeks before you get the full effect of atenolol. Keep using the medication as directed and tell your doctor if your symptoms do not improve. You should not stop taking atenolol suddenly. Stopping suddenly may make your condition worse. If you are being treated for high blood pressure: Keep using this medicine even if you feel well.