B737 Undifferentiated or Other Model
Flight Crew Multiengine; Flight Crew Instrument; Flight Crew Air Transport Pilot (ATP)
Flight Crew Type 7098.55
Time Pressure; Confusion; Distraction
Flight Deck / Cabin / Aircraft Event Illness / Injury
Air Traffic Control Issued New Clearance; Flight Crew Landed in Emergency Condition; General Physical Injury / Incapacitation
Aircraft; Environment - Non Weather Related
First Officer took a call from the Flight Attendant saying a passenger and all four flight attendants were lightheaded and dizzy. After we discussing the issue; and not seeing any issues in the cockpit; (cabin pressure); everything was normal. However; we did decide to lower the cabin temp. A message was sent to Dispatch to call us with [Maintenance]. [Maintenance] was no help.First Officer called the Flight Attendant and got more info from them and then talked with MedLink. I was the Pilot Flying trying to get lower altitude; however; ride reports below were light to mod turbulence. I decide to stay at FL360. Eventually; we did get down to FL280. MedLink call took forever. Flight Attendant couldn't find the med that they were instructed to take. About this time; we were getting close to starting our descent. First Officer stated he was getting a headache. He put his oxygen mask on. ATC started to slow us and vector us around. I felt we need to get on the ground ASAP. [We] went straight to [destination]. Paramedics met the plane.
B737NG Captain reported several crew members and a passenger were feeling lightheaded and dizzy for unknown reasons in cruise flight.