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Valium contains Diazepam
and Ativan contains Lorezapam. Both are of group Benzodiazepine
is short acting and is very commonly used in anxiety. Diazepam use is these days limited to use as anticonvulscent. So changing ativan ti valium will not help much. Just get your varicose veins
treated rest all is fine.
Second you can take other drugs as SSRI or SNRI drugs. Consult your doctor for that.
Hope I solved your query.