My Husband Suffered A Heart Attack In Oct. They Had

My husband suffered a heart attack in Oct. They had to put stints in. Since then he has been put on these medications ATORVASTATIN. METOPROLOL TART. CLOPIDOGREL. LISINOPRIL. ISOSORBLDE. In the last two weeks he has been feeling tired all the time and in the last week he said he has been having pain on the right side of his neck that goes up into his head. He geeks these drugs may be interacting against each other.