When the nasal decongestant is taken in excess,<unk>  has potential side effects resembling those of other sympathomimetic drugs; these effects include hypertension (elevated blood pressure), tachycardia (rapid heart rate), nausea, stomach cramps, dizziness, headache, sweating, muscle tension, and tremors. Central side effects may include anxiety, insomnia, and loss of appetite. Non-medicinal usage In a study of psychoactive effects of<unk> , the intravenous administration of 0.5 mg/kg (but not 0.25 mg/kg) in recreational methamphetamine users produced scores of "drug liking" similar to racemic methamphetamine, but the effects were shorter lived. The study did not test the oral administration of<unk> . As of 2006, there were no studies demonstrating "drug liking" scores of oral<unk>  that are similar to racemic methamphetamine or dextromethamphetamine in either recreational users or medicinal users.
Levomethamphetamine
Propylamphetamine
Dextroamphetamine
Levoamphetamine
Butriptyline
Triazolam
Perphenazine
Methoxyphenamine