What are the potential risks of taking high doses of tramadol in short periods of time 1-2 hours?

Tramadol. Is a rather unique analgesic drug that is indicated for moderate to moderately severe pain. Although it binds to mu receptors, tramadol is not technically classified as an opioid analgesic. If abused, a medicine may cause some serious side effects and overdose. The symptoms are: loss of consciousness, difficulty breathing, slow-irregular heartbeat. Rec.: if concerned, check with your physician.