I am taking atenol Tinormine 25 mg.and l arginine...

Dear Customer
Welcome, and thank you for trusting us
there is no cross reactivity or interaction between both of these drugs tenormin and l arginine

regarding your erectile dysfunction

all the betablockers as atenolol have an adverse effect of erectile dysfunction

what should you do

What Is The Treatment Of Erectile Dysfunction

1. Avoid stress and daily stress
2. Stop medications that lead to erectile dysfunction and go to your heart doctor to change it for a family of drugs that is less harm 
3.Erectile dysfunction drugs such as Viagra
4. Place a silicone brace surgically
5. put a pump that helps the erection
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Kind Regards

dear customer
according to your history
your problem is from the tinormine
it is one of its side effects to weaken the erection
so you should see you cardiologist who prescribe it to you
and presecribe an alternative drug
there is no effect from mixing the L arginin and tinormine on the erection ability
regards