There were roaches in the kitchen in the apt rented ifrom a condo owner-I sprayed the bugs and had a serious fall :concussion,broken arm,rotator cuff,

It is not clear from your post how spraying for the bugs caused you to fall. To know whether you have a viable claim, you will have to provide more facts.  Click here and here for more information about me. Please note that by attempting to answer your question, I am not acting as your attorney. I will do nothing further to protect or preserve your interests in the absence of any additional discussion with you about this matter. John Ratkowitz, Esq. Starr, Gern, Davison & Rubin, P.C. 105 Eisenhower Parkway Roseland, NJ 07068 Office: (973) 830-8441 Cell: (732) 616-6278 Fax: (973) 226-0031 Email: jratkowitz@starrgern.com  Skype: john_ratkowitz Web: www.starrgern.com.