I have staph/suspected mrsa on neck..its covered, treated w meds topical n oral...c as n child sleep in same bed if i lysol sheets before?

Posibly: If infected wound healed - ( no discharge of pus) and sheets had been properly washed ( preferencial is haushold bleech) - most likeli it is safe to sleep in pone bed. But also depends on age of the child and immune status ( if hea;lthy over age 2 ok). In general it is not recommended to "co-sleep" menas share bed with children.

Wash the sheets: The sheets should be washed like any other sheets, with detergent and hot water. The same goes with your pillow cover as well. If you have MRSA on the neck, your source may likely be from either shaving or else, pressure from a tie that can cause ingrown hairs, or even some other source that has not been addressed. Recurrence of infection merits an outpatient consult with an id or derm specialist.