As of February 2015, there is no pill manufactured with the imprint "AN67," though there is a pill with the imprint "AN627," according to Drugs.com. Pills imprinted with AN627 are tramadol hydrochloride, 50 milligrams, manufactured by Amneal Pharmaceuticals.
Tramadol hydrochloride pills manufactured by Amneal Pharmaceuticals are round white pills that are 9 millimeters in diameter, according to Drugs.com. The pill is sold in the United States under the brand name Ultram, according to Amneal Pharmaceuticals.
Tramadol hydrochloride is available only by prescription, reports Drugs.com. It is a narcotic analgesic primarily used in the treatment of moderate to moderately severe pain in adults. Specifically, tramadol hydrochloride is prescribed for back pain, chronic pain, anxiety and fibromyalgia. Some of the more common possible side effects include headache, dizziness, drowsiness, constipation and nausea. Some experience anxiety, itching, sweating and flushing. Potential serious side effects include seizures, decreased alertness, cardiovascular problems and increased risk of seratonin syndrome, according to Wikipedia.
Tramadol hydrochloride is sold as a generic and under dozens of trade names around the world, according to Wikipedia. Effective 2014, tramadol hydrochloride was placed in the Schedule IV category of the U.S. Controlled Substances Act because it has some potential for abuse and physical dependency.