Vertigo headache symptoms and conditions

Temp of 102.5, severe shaking from chills to sweating, upper back pain in muscles and spine, diarrhea, fatigue, tingling skin, vertigo, headache within 3 minutes of shot felt warm sensation in upper stomach and throat similar to dye contrast with CT scan

my wife aged 45 yrs took montelukast 10 mg at night 2nd day she felt numbness of hands and feet and bitter taste 4th day she developed blurring of vision, haeadache, pain during chewing meals, slurred speech and vertigo then after 5th & 6th day she devoloped vomitting. she has taken only 3 tabs and today is the 5th day to stop the drug but still she is feeling nausea vomitting diplopia Double vision vertigo headache. What should I do now.

my wife aged 45 yrs took montelukast 10 mg at night 2nd day she felt numbness of hands and feet and bitter taste 4th day she developed blurring of vision, haeadache, pain during chewing meals, vertigo then after 5th & 6th day she devoloped vomitting. she has taken only 3 tabs and today is the 5th day to stop the drug but still she is feeling nausea vomitting diplopia Double vision vertigo headache. What should I do now.