I Had Radio Frequency Ablation On Varicose Veins 12 Days

I had radio frequency ablation on varicose veins 12 days ago saw gp 4 days ago with constant pain swelling redness on inner upper to below knee veins feel solid and painfully to touch gp prescribed clarithomycin 500 mg twice a day the redness is more noticeable as is the swelling and pain after 4 days of taking pills as directed do I go back to gp