Active ingredient in valtrex adults and children over 14 years old are administered intravenously (slowly drip) 50-100 mg (1-2 ampoules), up to 400 mg (0.4 g) per day. In the same dose is administered intramuscularly or subcutaneously. Inside appoint (with a small amount of liquid) in capsules 50 mg to 8 capsules (0.4 g) per day or as drops – 20 drops each (contain 50 mg of tramadol) to receive in a small amount of water up to 8 times per day. A serious allergic reaction to this drug is very rare, but seek immediate medical help if it occurs. You can not appoint tramadol in acute alcohol intoxication (poisoning); patients with hypersensitivity to narcotic analgesics; patients taking MAO inhibitors. A pregnant appointment should be made with extreme caution. Children under the age of 14 do not prescribe the drug.