Have taken ativan2.5 or klonopin2.5 daily 15 yrs.coereg 6.25 total-losartan 50-isosorbide 15 last 6 months-would this cause some breathing problems?

Side Effects: None of these should cause breathing problems. If you have asthma, beta blockers such has Propranolol can trigger asthma symptoms.

Shortness of breath : Beta blockers such as Carvedilol may cause shortness of breath. There are many causes for shortness of breath other than medications. Best would be to be evaluated by your physician to determine the cause of your symptoms, especially considering your medical conditions and history.