Latex allergies are rare, but they happen. If you or your partner is allergic to latex, look for latex-free condoms to protect against pregnancy and STIs. Lambskin external condoms (male) are another option for preventing pregnancy, but they do not protect against STIs.
Try a different method: internal condom (female).
References:
- Society of Obstetricians and Gynaecologists of Canada. (2015). Canadian Contraception Consensus Chapter 5: Barrier Methods. JOGC Journal of Obstetrics and Gynaecology Canada , 37. Retrieved from https://www.jogc.com/article/S1701-2163(16)39376-8/pdf