I assume that you are on
atenololAtenolol
Atenolol-chlorthalidone, a
selectiveSelective mutism
Selective mutism - resources beta-blocker medicine. While theoretically it could cause cough in a person with asthma that is unlikely to be the cause of your cough. The 3 most likely causes of your cough, assuming that your
dialysisDialysis
Kidney diet - dialysis patients is optimized, would be asthma, postnasal drip, or
gastroesophagealGastroesophageal reflux disease
Gastroesophageal reflux in infants reflux disease (GERD), commonly called acid reflux. You were right to ask about asthma. You should ask your doctor about this and a trial of asthma medicines might be worth considering.
You might also ask if you are taking any other medicines that have been known to cause cough, such as a class of medicines called angiotensin-converting enzyme (ACE) inhibitors.
Good luck.