I have congestive heart failure. Lately my feet have been swelling and I am coughing constantly. Is it OK to take 2-10mg Laxix pills a day rather than 1? I also take Metoprolol, 75 mg, twice a day, Lisinopril, 10 mg twice a day, Plavix, 75 mg once a day, Crestor, 20 mg once at night, and 325mg aspirin, twice a day. I also take several other medications not related to my heart.