Although most people tolerate Keflex® (cephalexin) well, it is not free of problems. Because this medication is not suitable for everyone, make sure you talk to your healthcare provider about possible dangers with Keflex that may apply to you.
For instance, make sure your healthcare provider is aware of any other medical conditions you may have and any other medications you are taking (including nonprescription medications, vitamins, and herbal supplements) before starting treatment with Keflex. Dangers of this medication include potential side effects. Some of the most commonly reported side effects include:
Other warnings apply to women who are pregnant or breastfeeding, as well as people who have certain allergies (including allergies to foods, dyes, or preservatives). Also, you may not be able to take Keflex if you have certain medical conditions, such as kidney disease, kidney failure, or an upcoming surgery.
(Click Keflex Side Effects and Precautions and Warnings With Keflex for more information on potential dangers to be aware of before starting treatment with this medication. These articles also explain what to tell your healthcare provider before using Keflex and who may not be able to safely use the medication.)