Is ivabradine a beta blocker?

Cramp in both legs from knee to ankle continues round the cloack.BACK bones of both tha ankles are excessive .Stated oesteo arthritis also.Suffering from acute pain due to cramp specifically.Restlessness round the cloack.

I have severe oral ulcers and difficulty in swallowing. I feel a pin like stinging in my throat when I swallow anything. And the pain is radiating in my right ear as well. The pain is unbearable. What should I do??

I am suffering from pain in lower back left side since 2 days suddenly start due to light zerk of body, due to which I am unable even to walk and relex feel only straight lay on the bad.

I am having head tightness on particularly on left side , tingling of nerves in arms and legs & dizziness, nausea, muscle weakness with occasional mental confusion due to work pressure. I am taking homeopathy phosph 5 3x three times a day and passiflora at night. But the effects are quite slow. The symptoms get worse with anxiety. Kindly suggest treatment or remedies for the same. Is this due to sinustis or migraine or any other disease? Please help.