Drug rashes can be an unwanted side effect of many medications. Learn which medications can cause these skin reactions.

Swelling of the Lips, Eyes, Tongue, Throat, or Limbs ...

By day 19, the rash significantly worsened ... with diphenhydramine hydrochloride 25 mg i.v. and famotidine 20 mg i.v. Edema of the lip decreased, and he was discharged approximately one hour ...