New evidence suggests they do.
The following extract from an article by Lawerence D. Duffield. The patient is latex-sensitive. Although no deaths have occurred in a dental setting due to latex allergy, clinicians should maintain a high index of suspicion to prevent a catastrophic reaction. According to FDA Medwatch data as far back as June 1996, there were 28 reported deaths and 225 anaphylactic events associated with latex products in all settings. It concerns nonoxynol-9, a disinfectant found in everything from baby wipes to laundry detergent, as well as in sexual products such as contraceptive foams and gels, condoms, and lubricants.