Hi, i came back to new zealand from fiji 2 weeks ago, approx 4 hour flight.since then i have had pain in my right calf muscle,sometimes can not ealk, i am taking ibuprufin and paracetemol which gives me some relief, also have paon when breathing under my front collarbone, pleuri sac? Could i have dvt after the flight, i am 67 and an asthmatic. Thankyou