A Portland, Oregon ramp meter. A ramp meter, ramp signal or metering light is a device, usually a basic traffic light or a two-section signal (red and green only, no yellow) light together with a signal controller that regulates the flow of traffic entering freeways according to current traffic conditions.
Medications such as clomipramine, which block the serotonin pump, are referred to as serotonin reuptake inhibitors or SRIs. In addition to clomipramine, several selective SRIs have been shown effective in treating OCD, including fluvoxamine (Luvox), fluoxetine (Prozac), sertraline (Zoloft) and paroxetine (Paxil).
The drugs lubiprostone , methylnaltrexone (Relistor), naldemedine (Symproic) and naloxegol (Movantik) are approved to treat constipation due to opioid use in those with chronic pain. Opioids can be dangerous if you take them with alcohol, or with certain drugs such as: